libstdc++-v3/ChangeLog-2017

2017-12-27  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/83600
	* include/bits/regex.h (match_results::end()): Return valid iterator
	when not ready.
	* testsuite/28_regex/match_results/ctors/char/default.cc: Check that
	unready objects are empty and have equal begin and end iterators.
	* testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.

	PR libstdc++/83598
	* include/bits/regex.h (basic_regex): Don't modify flags passed to
	constructors.
	* testsuite/28_regex/basic_regex/ctors/83598.cc: New test.

	PR libstdc++/83538
	* doc/xml/manual/intro.xml: Document LWG 2306 change.
	* include/bits/regex.h (match_results::reference): Change to
	non-const reference.
	* testsuite/28_regex/match_results/typedefs.cc: Check types are
	correct.

2017-12-24  Michele Pezzutti <mpezz@tiscali.it>

	PR libstdc++/83237
	* include/bits/random.tcc (poisson_distribution<>::operator()):
	Fix __x = 1 case - see updated Errata of Devroye's treatise.
	* testsuite/26_numerics/random/poisson_distribution/operators/
	values.cc: Add test.
	* testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error
	line number.

2017-12-24  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/83450
	* testsuite/21_strings/basic_string/pthread18185.cc: Add return
	statement.

2017-12-20  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/82522
	* include/debug/map.h (map::insert(value_type&&))
	(map::insert(const_iterator, value_type&&)): Add overload for rvalues.
	* include/debug/multimap.h (multimap::insert(value_type&&))
	(multimap::insert(const_iterator, value_type&&)): Likewise.
	* include/debug/unordered_map (unordered_map::insert(value_type&&))
	(unordered_map::insert(const_iterator, value_type&&))
	(unordered_multimap::insert(value_type&&))
	(unordered_multimap::insert(const_iterator, value_type&&)): Likewise.
	* testsuite/23_containers/map/modifiers/insert/dr2354.cc (test02): New.
	* testsuite/23_containers/multimap/modifiers/insert/dr2354.cc (test02):
	New.
	* testsuite/23_containers/unordered_map/insert/dr2354.cc (test02): New.
	* testsuite/23_containers/unordered_multimap/insert/dr2354.cc (test02):
	New.

2017-12-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	* config/cpu/aarch64/opt/ext/opt_random.h (__VEXT): Check
	__ARM_BIG_ENDIAN instead of __AARCH64EB__.

2017-12-18  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/80761
	* include/debug/map.h
	(std::__debug::map<>::insert_return_type): Define using
	_Node_insert_return.
	* include/debug/set.h (std::__debug::set<>::insert_return_type):
	Likewise.
	* include/debug/unordered_map:
	(std::__debug::unordered_map<>::insert_return_type): Likewise.
	* include/debug/unordered_set:
	(std::__debug::unordered_set<>::insert_return_type): Likewise.

2017-12-18  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/68430
	* testsuite/20_util/is_constructible/68430.cc: New.

2017-12-16  Martin Sebor  <msebor@redhat.com>

	PR tree-optimization/83239
	* include/bits/vector.tcc (vector::_M_default_append): Assert
        invariant to generate better code.

2017-12-14  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/83279
	* src/filesystem/std-ops.cc (do_copy_file): Handle sendfile not
	copying entire file.

	PR libstdc++/68519
	* include/std/condition_variable (condition_variable::wait_for):
	Convert duration to native clock's duration before addition.
	* testsuite/30_threads/condition_variable/members/68519.cc: New test.

	PR libstdc++/83427
	* include/bits/refwrap.h (_Maybe_unary_or_binary_function): Move here
	from <bits/std_function.h>.
	(_Mem_fn_traits_base, _Mem_fn_traits): Move here, from <functional>.
	(_Weak_result_type_impl, _Reference_wrapper_base): Deduce noexcept
	for function types. Remove partial specializations for member
	functions.
	(_Weak_result_type_impl): Remove unused partial specializations for
	non-referenceable function types and for references to functions.
	(_Weak_result_type_memfun, _Reference_wrapper_base_memfun): New
	helpers to handle member functions via _Mem_fn_traits.
	(_Weak_result_type, reference_wrapper): Derive from new helpers.
	* include/bits/std_function.h (_Maybe_unary_or_binary_function): Move
	to <bits/refwrap.h>.
	* include/std/functional (_Pack, _AllConvertible, _NotSame): Remove.
	(_Mem_fn_traits_base, _Mem_fn_traits): Move to <bits/refwrap.h>.
	* testsuite/20_util/bind/83427.cc: New test.
	* testsuite/20_util/bind/refqual.cc: Add noexcept to functions and
	check for weak result types.
	* testsuite/20_util/reference_wrapper/83427.cc: New test.

	* testsuite/26_numerics/complex/inserters_extractors/char/dr2714.cc:
	Add tests using noskipws.

	* testsuite/26_numerics/complex/dr2714.cc: Move to ...
	* testsuite/26_numerics/complex/inserters_extractors/char/dr2714.cc:
	... Here. Remove duplicate header and dg-options. Check first invalid
	character gets putback. Remove wchar_t test.

2017-12-13  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/59568
	* include/std/complex (operator>>): Implement proposed resolution to
	LWG 2714. Use putback if and only if a character has been successfully
	extracted but isn't a delimiter. Use ctype::widen and traits::eq when
	testing if extracted characters match delimiters.
	* testsuite/26_numerics/complex/dr2714.cc: New test.

2017-12-12  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/83395
	* include/std/type_traits (__is_invocable_impl): Remove partial
	specialization for INVOKE<void> and restore is_void<R> check in
	primary template.
	(__is_nt_invocable_impl): Likewise.
	* testsuite/20_util/is_invocable/83395.cc: New test.
	* testsuite/20_util/is_nothrow_invocable/83395.cc: New test.

2017-12-07  David Edelsohn  <dje.gcc@gmail.com>

	PR libstdc++/83120
	* testsuite/ext/special_functions/hyperg/check_value.cc: Add
	-ffp-contract=off. Add -ffloat-store for m68* and ia32.
	* testsuite/tr1/5_numerical_facilities/special_functions/17_hyperg/check_value.cc: Same.

2017-12-07  Martin Sebor  <msebor@redhat.com>

	PR c/81544
	* include/ext/mt_allocator.h (_M_destroy_thread_key): Remove
	attribute const.

2017-12-05  Jason Merrill  <jason@redhat.com>
	    Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/fs_fwd.h (copy, copy_file): Remove noexcept.
	(permissions): Add noexcept.
	* include/bits/fs_ops.h (permissions): Add noexcept.
	* libsupc++/eh_throw.cc (__cxa_init_primary_exception): Add
	_GLIBCXX_NOTHROW.

2017-12-04  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/regex_compiler.tcc: Use C-style comment to work around
	PR preprocessor/61638.
	(__INSERT_REGEX_MATCHER): Replace GNU extension with __VA_ARGS__.

	* config/io/basic_file_stdio.h (__basic_file): Remove name of unused
	parameter.
	* include/bits/boost_concept_check.h: Add pragmas to disable
	-Wunused-local-typedef warnings.
	* include/bits/codecvt.h (codecvt_byname<char16_t, char, mbstate_t>)
	(codecvt_byname<char32_t, char, mbstate_t>): Remove name of unused
	parameter.
	* include/bits/locale_facets_nonio.tcc (time_get::do_get_weekday)
	(time_get::do_get_monthname, time_get::do_get_year): Remove unused
	variables.
	* include/std/bitset (_Base_bitset<0>::_M_getword): Remove name of
	unused parameter.
	* include/std/streambuf (_IsUnused): Define.
	(basic_streambuf::imbue, basic_streambuf::pbackfail)
	(basic_streambuf::overflow): Add macro to unused parameters.
	* testsuite/24_iterators/operations/prev_neg.cc: Adjust dg-error.

2017-12-01  Jonathan Wakely  <jwakely@redhat.com>

	* include/experimental/string_view (basic_string_view::_S_compare):
	Use value-init so narrowing conversions are not ill-formed.
	* include/std/string_view (basic_string_view::_S_compare): Likewise.

	* include/bits/basic_string.h (operator""s): Add pragmas to disable
	-Wliteral-suffix warnings.
	* include/experimental/string_view (operator""sv): Likewise.
	* include/std/chrono (operator""h, operator""min, operator""s)
	(operator""ms, operator""us, operator""ns): Likewise.
	* include/std/complex (operator""if, operator""i, operator""il):
	Likewise.
	* include/std/string_view (operator""sv): Likewise.
	* testsuite/20_util/duration/literals/range.cc: Adjust dg-error.

	* include/bits/locale_facets_nonio.tcc (money_get::_M_extract): Add
	fallthrough comment.

	* include/bits/node_handle.h (_Node_handle_common::operator=)
	(_Node_handle_common::_M_swap): Add braces around debug assertions.

	* include/ext/ropeimpl.h (rope::_S_dump): Use const char*.

	* libsupc++/nested_exception.h (__throw_with_nested_impl): Add
	noreturn attribute.

	* include/bits/regex_executor.tcc (_Executor::_M_rep_once_more):
	Remove semi-colon after function body.
	* include/bits/uniform_int_dist.h (_Power_of_2): Likewise.

	* include/tr1/modified_bessel_func.tcc (__airy): Use value-init not
	list-init.

	* include/std/type_traits (integral_constant): Make member functions
	noexcept (LWG 2346).
	* include/std/utility (integer_sequence): Likewise.

2017-11-30  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/65927
	* include/bits/locale_facets_nonio.h (__timepunct::_M_am_pm_format):
	Remove statement with no effect.

2017-11-30  Glen Joseph Fernandes  <glenjofe@gmail.com>

	* include/bits/ptr_traits.h (__to_address, to_address): Move static
	assertion.
	* testsuite/20_util/to_address/1_neg.cc: New test.

2017-11-30  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/83226
	* include/bits/node_handle.h (_Node_handle::__pointer): Avoid forming
	pointer-to-reference types.
	* testsuite/23_containers/map/modifiers/insert/83226.cc: New test.

2017-11-29  John David Anglin  <danglin@gcc.gnu.org>

	* config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.

2017-11-29  David Malcolm  <dmalcolm@redhat.com>

	* testsuite/20_util/duration/literals/range.cc: Update expected
	line of a static_assert failure.

2017-11-28  Glen Joseph Fernandes  <glenjofe@gmail.com>

	* include/bits/ptr_traits.h (to_address): Implement to_address.
	* testsuite/20_util/to_address/1.cc: New test.

2017-11-27  Stephan Bergmann  <sbergman@redhat.com>

	* include/std/string_view (basic_string_view::find_first_of): Add
	missing noexcept.

	* include/bits/unordered_map.h (unordered_map): Fix deduction guide.
	* include/debug/unordered_map (unordered_map): Likewise.

2017-11-23  Jonathan Wakely  <jwakely@redhat.com>

	* libsupc++/new (launder): Add nodiscard attribute.
	* testsuite/18_support/launder/nodiscard.cc: New test.

	* include/bits/fs_path.h (path::empty): Add nodiscard attribute.
	* include/bits/range_access.h (empty): Likewise.
	* include/std/string_view (basic_string_view::empty): Likewise.
	* testsuite/21_strings/basic_string_view/capacity/empty_neg.cc: New
	test.
	* testsuite/24_iterators/range_access_cpp17_neg.cc: New test.
	* testsuite/27_io/filesystem/path/query/empty_neg.cc: New test.

	PR libstdc++/83134
	* include/std/type_traits (__not_): Explicitly convert to bool.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error.
	* testsuite/20_util/logical_traits/83134.cc: New test.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
	dg-error.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.

2017-11-22  Jonathan Wakely  <jwakely@redhat.com>

	PR go/83102
	* include/bits/stl_tree.h (_Rb_tree): Relax invocable checks for
	comparison object pre-C++17.

2017-11-21  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/48101
	* include/bits/allocator.h (allocator<const _Tp>)
	(allocator<volatile _Tp>, allocator<const volatile _Tp>): Add partial
	specializations.
	* include/bits/forward_list.h (forward_list): Add static assertions.
	* include/bits/hashtable.h (__cache_default): Use
	__is_nothrow_invocable instead of __is_noexcept_hash.
	(_Hashtable): Add static assertions.
	* include/bits/hashtable_policy.h (__is_noexcept_hash): Remove.
	* include/bits/stl_deque.h (deque): Add static assertions.
	* include/bits/stl_function.h (_Identity<const _Tp>): Add partial
	specialization.
	* include/bits/stl_list.h (list): Add static assertions.
	* include/bits/stl_map.h (map): Likewise.
	* include/bits/stl_multimap.h (multimap): Likewise.
	* include/bits/stl_multiset.h (multiset): Likewise.
	* include/bits/stl_set.h (set): Likewise.
	* include/bits/stl_tree.h (_Rb_tree): Likewise.
	* include/bits/stl_vector.h (vector): Likewise.
	* include/bits/unordered_map.h (unordered_map, unordered_multimap):
	Use typename instead of class in template-parameter-list and remove
	spaces.
	* include/bits/unordered_set.h (unordered_set, unordered_multiset):
	Likewise.
	* testsuite/23_containers/deque/48101-2_neg.cc: New test.
	* testsuite/23_containers/deque/48101_neg.cc: New test.
	* testsuite/23_containers/forward_list/48101-2_neg.cc: New test.
	* testsuite/23_containers/forward_list/48101_neg.cc: New test.
	* testsuite/23_containers/list/48101-2_neg.cc: New test.
	* testsuite/23_containers/list/48101_neg.cc: New test.
	* testsuite/23_containers/map/48101-2_neg.cc: New test.
	* testsuite/23_containers/map/48101_neg.cc: New test.
	* testsuite/23_containers/map/operations/31440.cc: Fix comparison
	object to have const-qualified call operator.
	* testsuite/23_containers/multimap/48101-2_neg.cc: New test.
	* testsuite/23_containers/multimap/48101_neg.cc: New test.
	* testsuite/23_containers/multiset/48101-2_neg.cc: New test.
	* testsuite/23_containers/multiset/48101_neg.cc: New test.
	* testsuite/23_containers/set/48101-2_neg.cc: New test.
	* testsuite/23_containers/set/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_map/48101-2_neg.cc: New test.
	* testsuite/23_containers/unordered_map/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_multimap/48101-2_neg.cc: New test.
	* testsuite/23_containers/unordered_multimap/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_multiset/48101-2_neg.cc: New test.
	* testsuite/23_containers/unordered_multiset/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_set/48101-2_neg.cc: New test.
	* testsuite/23_containers/unordered_set/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc: Adjust
	dg-error line number.
	* testsuite/23_containers/vector/48101-2_neg.cc: New test.
	* testsuite/23_containers/vector/48101_neg.cc: New test.

2017-11-21  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

	* doc/xml/manual/using.xml (manual.intro.using.macros): Move
	variablelist element at the end of its list.

2017-11-21  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_TIME): Add rtems*.
	(GLIBCXX_ENABLE_FILESYSTEM_TS): Likewise.
	* configure: Regenerate.

2017-11-20  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
	std::advance for istreambuf_iterator of char types to be friend.
	(std::advance(istreambuf_iterator&, _Distance)): New overload.
	* include/std/streambuf (basic_streambuf<>): Declare std::advance for
	istreambuf_iterator of char types to be friend.
	* testsuite/22_locale/money_get/get/char/9.cc: Have
	istreambuf_iterator created on the fly when calling money_get<>::get.
	* testsuite/22_locale/money_get/get/wchar_t/9.cc: Likewise.
	* testsuite/24_iterators/istreambuf_iterator/debug/1_neg.cc: New.
	* testsuite/24_iterators/istreambuf_iterator/debug/2_neg.cc: New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/char/1.cc: New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/char/1_neg.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/char/2.cc: New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/char/2_neg.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/char/3_neg.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/1.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/1_neg.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/2.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/2_neg.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/3_neg.cc:
	New.
	* testsuite/25_algorithms/find/istreambuf_iterators/char/2.cc: Leverage
	on std::advance overload.
	* testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
	Likewise.

2017-11-20  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/special_functions/18_riemann_zeta/check_value.cc: Fix
	duplicate dg-options directive.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	20_riemann_zeta/check_value_neg.cc: Likewise.

2017-11-20  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement LWG 2353
	* include/bits/stl_iterator_base_funcs.h (next):
	Use InputIterator instead of ForwardIterator.
	* testsuite/24_iterators/operations/lwg2353.cc: New.
	* testsuite/24_iterators/operations/next_neg.cc: Remove.

2017-11-18  Edward Smith-Rowland  <3dw4rd@verizon.net>

	PR libstdc++/pr66689 - comp_ellint_3 and ellint_3 return garbage values
	* include/tr1/ell_integral.tcc: Correct the nu sign convention
	in ellint_3 and comp_ellint_3.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	06_comp_ellint_3/check_value.cc: Regen with correct values.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	14_ellint_3/check_value.cc: Ditto.
	* testsuite/special_functions/06_comp_ellint_3/check_value.cc: Ditto.
	* testsuite/special_functions/13_ellint_3/check_value.cc: Ditto.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	01_assoc_laguerre/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	02_assoc_legendre/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	03_beta/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	04_comp_ellint_1/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	05_comp_ellint_2/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	07_conf_hyperg/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	08_cyl_bessel_i/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	09_cyl_bessel_j/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	10_cyl_bessel_k/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	11_cyl_neumann/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	12_ellint_1/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	13_ellint_2/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	15_expint/check_value_neg.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	16_hermite/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	17_hyperg/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	18_laguerre/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	19_legendre/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	20_riemann_zeta/check_value_neg.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	21_sph_bessel/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	22_sph_legendre/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	23_sph_neumann/check_value.cc: Regen.
	* testsuite/ext/special_functions/conf_hyperg/check_value.cc: Regen.
	* testsuite/ext/special_functions/hyperg/check_value.cc: Regen.
	* testsuite/special_functions/01_assoc_laguerre/check_value.cc: Regen.
	* testsuite/special_functions/02_assoc_legendre/check_value.cc: Regen.
	* testsuite/special_functions/03_beta/check_value.cc: Regen.
	* testsuite/special_functions/04_comp_ellint_1/check_value.cc: Regen.
	* testsuite/special_functions/05_comp_ellint_2/check_value.cc: Regen.
	* testsuite/special_functions/07_cyl_bessel_i/check_value.cc: Regen.
	* testsuite/special_functions/08_cyl_bessel_j/check_value.cc: Regen.
	* testsuite/special_functions/09_cyl_bessel_k/check_value.cc: Regen.
 	* testsuite/special_functions/10_cyl_neumann/check_value.cc: Regen.
	* testsuite/special_functions/11_ellint_1/check_value.cc: Regen.
	* testsuite/special_functions/12_ellint_2/check_value.cc: Regen.
	* testsuite/special_functions/14_expint/check_value.cc: Regen.
	* testsuite/special_functions/15_hermite/check_value.cc: Regen.
	* testsuite/special_functions/16_laguerre/check_value.cc: Regen.
	* testsuite/special_functions/17_legendre/check_value.cc: Regen.
	* testsuite/special_functions/18_riemann_zeta/check_value.cc: Regen.
	* testsuite/special_functions/19_sph_bessel/check_value.cc: Regen.
	* testsuite/special_functions/20_sph_legendre/check_value.cc: Regen.
	* testsuite/special_functions/21_sph_neumann/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	06_comp_ellint_3/pr66689.cc: New.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	14_ellint_3/pr66689.cc: New.
	* testsuite/special_functions/06_comp_ellint_3/pr66689.cc: New.
	* testsuite/special_functions/13_ellint_3/pr66689.cc: New.

2017-11-18  Edward Smith-Rowland  <3dw4rd@verizon.net>
	Expose Airy functions as an extenaion.
	* include/bits/specfun.h: Expose airy_ai and airy_bi.
	* include/tr1/modified_bessel_func.tcc: Treat NaN and inf arg, return.
	* testsuite/ext/special_functions/airy_ai/check_nan.cc: New.
	* testsuite/ext/special_functions/airy_ai/check_value.cc: New.
	* testsuite/ext/special_functions/airy_ai/compile.cc: New.
	* testsuite/ext/special_functions/airy_bi/check_nan.cc: New.
	* testsuite/ext/special_functions/airy_bi/check_value.cc: New.
	* testsuite/ext/special_functions/airy_bi/compile.cc: New.

2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>

	* acinclude.m4: Add cet.m4.
	* configure.ac: Set CET_FLAGS. Update EXTRA_CFLAGS,
	EXTRA_CXX_FLAGS.
	* libsupc++/Makefile.am: Use Add EXTRA_CFLAGS.
	* Makefile.in: Regenerate.
	* configure: Likewise.
	* doc/Makefile.in: Likewise.
	* include/Makefile.in: Likewise.
	* libsupc++/Makefile.in: Likewise.
	* po/Makefile.in: Likewise.
	* python/Makefile.in: Likewise.
	* src/Makefile.in: Likewise.
	* src/c++11/Makefile.in: Likewise.
	* src/c++98/Makefile.in: Likewise.
	* src/filesystem/Makefile.in: Likewise.
	* testsuite/Makefile.in: Likewise.

2017-11-17  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/83025
	* include/std/fstream (basic_filebuf::_If_path): Move to
	namespace-scope and rename to _If_fs_path.
	(basic_filebuf::open): Use new name.
	(basic_ifstream(_Path, ios::openmode))
	(basic_ifstream::open(_Path, ios::openmode))
	(basic_ofstream(_Path, ios::openmode))
	(basic_ofstream::open(_Path, ios::openmode))
	(basic_fstream(_Path, ios::openmode))
	(basic_fstream::open(_Path, ios::openmode)): Use _If_fs_path.
	* testsuite/27_io/basic_filebuf/open/char/path.cc: Test with filename
	as non-const char*.
	* testsuite/27_io/basic_fstream/cons/char/path.cc: Likewise.
	* testsuite/27_io/basic_fstream/open/char/path.cc: Likewise.
	* testsuite/27_io/basic_ifstream/cons/char/path.cc: Likewise.
	* testsuite/27_io/basic_ifstream/open/char/path.cc: Likewise.
	* testsuite/27_io/basic_ofstream/cons/char/path.cc: Likewise.
	* testsuite/27_io/basic_ofstream/open/char/path.cc: Likewise.


2017-11-17  Marc Glisse  <marc.glisse@inria.fr>

	* include/bits/vector.tcc (vector::_M_realloc_insert): Cache old
	values before the allocation.

2017-11-16  Jonathan Wakely  <jwakely@redhat.com>

	* include/std/future (shared_future): Add noexcept to copy constructor
	and copy-assignment operator (LWG 2799).

2017-11-15  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Fix gcd breakage.
	* include/std/numeric (gcd): Use remove_cv_t, not remove_cv.

2017-11-15  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/27_io/filesystem/iterators/directory_iterator.cc: Leave
	error_code unset.
	* testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
	Check for past-the-end before dereferencing.
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Likewise.

	* include/bits/range_access.h (size, empty, data): Add conditional
	noexcept to generic overloads.

2017-11-14  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement LWG 2733 and LWG 2759
	* include/experimental/numeric (gcd): Reject cv-qualified bool.
	(lcm): Likewise.
	* include/std/numeric (gcd): Likewise.
	(lcm): Likewise.
	* testsuite/26_numerics/gcd/gcd_neg.cc: Add tests and adjust.
	* testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.

2017-11-14  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/locale_conv.h (wbuffer_convert::_M_conv_get): Fix typo.
	* testsuite/22_locale/conversions/buffer/3.cc: New test.

2017-11-10  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/util/testsuite_tr1.h (ThrowMoveConsClass): Use noexcept.

	PR libstdc++/82917
	* include/std/fstream (basic_ifstream::open, basic_ofstream::open)
	(basic_fstream::open): Fix missing return.

2017-11-07  Jonathan Wakely  <jwakely@redhat.com>

	* src/filesystem/ops-common.h (make_file_type) [S_ISSOCK]: Only use
	S_ISSOCK when defined.

2017-11-06  François Dumont  <fdumont@gcc.gnu.org>

	* testsuite/libstdc++-prettyprinters/tr1.cc:  Compile with -O0.

2017-11-06  Martin Liska  <mliska@suse.cz>

	* testsuite/27_io/basic_fstream/cons/char/path.cc (main):
	  Return a value for functions with non-void return type,
	  or change type to void, or add -Wno-return-type for test.
	* testsuite/27_io/basic_ifstream/cons/char/path.cc (main):
	Likewise.
	* testsuite/27_io/basic_ofstream/open/char/path.cc (main):
	Likewise.

2017-11-06  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/20_util/optional/cons/deduction.cc: Avoid -Wreturn-type
	warnings.
	* testsuite/20_util/pair/cons/deduction.cc: Likewise.
	* testsuite/20_util/pair/traits.cc: Likewise.
	* testsuite/20_util/tuple/cons/deduction.cc: Likewise.
	* testsuite/20_util/variant/compile.cc: Likewise.
	* testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
	* testsuite/23_containers/unordered_map/modifiers/try_emplace.cc:
	Likewise.

2017-11-05  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/abi.xml: Move docs.oracle.com references to https.

2017-11-03  Jonathan Wakely  <jwakely@redhat.com>

	* include/std/type_traits (endian): Define new enumeration type.
	* testsuite/20_util/endian/1.cc: New test.

	* include/bits/node_handle.h (_Node_insert_return::get): Remove, as
	per P0508R0.

2017-11-01  François Dumont  <fdumont@gcc.gnu.org>

	* python/libstdcxx/v6/printers.py (StdExpAnyPrinter.__init__): Strip
	typename versioned namespace before the substitution.
	(StdExpOptionalPrinter.__init__): Likewise.
	(StdVariantPrinter.__init__): Likewise.
	(Printer.add_version): Inject versioned namespace after std or
	__gnu_cxx.
	(build_libstdcxx_dictionary): Adapt add_version usages, always pass
	namespace first and symbol second.

2017-11-01  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/82777
	* src/filesystem/std-path.cc (path::lexically_normal): Remove dot-dot
	elements correctly.
	* testsuite/27_io/filesystem/path/generation/normal.cc: Add testcase.
	* testsuite/util/testsuite_fs.h (compare_paths): Improve exception
	text.

2017-10-30  Jonathan Wakely  <jwakely@redhat.com>

	* include/Makefile.am (stamp-bits-sup): Do not create broken symlink
	to stamp-bits.
	* include/Makefile.in: Regenerate.

	* include/std/fstream (basic_ifstream, basic_ofstream, basic_fstream):
	Remove outdated comments about calling c_str() to create a file stream
	from a std::string.
	(basic_ofstream::basic_ofstream, basic_ofstream::open): Remove
	redundant ios_mode::trunc bits from default arguments and comments.

	* doc/xml/faq.xml: Adjust "What is libstdc++?" answer slightly.

	* include/bits/hashtable_policy.h: Include <tuple>.
	* include/std/unordered_map: Only include <bits/stl_pair.h> instead
	of <utility> and <tuple>.
	* include/std/unordered_set: Likewise.

2017-10-30  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement LWG 2485
	* include/debug/array (get(const array<_Tp, _Nm>&&)): New.
	* include/std/array (get(const array<_Tp, _Nm>&&)): Likewise.
	* include/std/tuple (get(const tuple<_Elements...>&&)): Likewise.
	(get(const tuple<_Types...>&&)): Likewise.
	* include/std/utility
	(__pair_get::__const_move_get(const std::pair<_Tp1, _Tp2>&&)):
	Likewise.
	(get(const std::pair<_Tp1, _Tp2>&&)): Likewise.
	(get(const pair<_Tp, _Up>&&)): Likewise.
	(get(const pair<_Up, _Tp>&&)): Likewise.
	* testsuite/20_util/pair/astuple/get.cc: Add tests for
	new overloads.
	* testsuite/20_util/pair/astuple/get_by_type.cc: Likewise.
	* testsuite/20_util/tuple/element_access/get2.cc: Likewise.
	* testsuite/20_util/tuple/element_access/get2_by_type.cc: Likewise.
	* testsuite/23_containers/array/tuple_interface/get.cc: Likewise.
	* testsuite/23_containers/array/tuple_interface/tuple_element_debug_neg.cc:
	Adjust.
	* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
	Likewise.

2017-10-27  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/node_handle.h (_Node_insert_return::get): Avoid
	use of std::tie and std::get.

	* include/Makefile.am: Put headers in alphabetical order.
	* include/Makefile.in: Regenerate.

	* include/bits/fs_dir.h (directory_iterator): Remove noexcept from
	constructors and increment member (LWG 3013).
	(recursive_directory_iterator): Likewise.
	* include/bits/fs_ops.h (copy, copy_file, create_directories)
	(is_empty, remove_all): Remove noexcept (LWG 3013 and LWG 3014).
	* src/filesystem/std-dir.cc (directory_iterator::increment)
	(recursive_directory_iterator::increment): Remove noexcept.
	* src/filesystem/std-ops.cc (copy, copy_file, create_directories)
	(is_empty, remove_all): Remove noexcept

	* include/bits/fs_dir.h (file_status): Make default constructor
	non-explicit (LWG 2787).
	* testsuite/27_io/filesystem/file_status/1.cc: New test.
	* testsuite/experimental/filesystem/file_status/1.cc: New test.

	* include/std/fstream (basic_filebuf::_If_path): New SFINAE helper.
	(basic_filebuf::open<Path>(const Path&, const ios_base::openmode&))
	(basic_ifstream<Path>(const Path&, const ios_base::openmode&))
	(basic_ifstream::open<Path>(const Path&, const ios_base::openmode&))
	(basic_ofstream<Path>(const Path&, const ios_base::openmode&))
	(basic_ofstream::open<Path>(const Path&, const ios_base::openmode&))
	(basic_fstream<Path>(const Path&, const ios_base::openmode&))
	(basic_fstream::open<Path>(const Path&, const ios_base::openmode&)):
	New constructors and member functions.
	* testsuite/27_io/basic_filebuf/open/char/path.cc: New test.
	* testsuite/27_io/basic_fstream/cons/char/path.cc: New test.
	* testsuite/27_io/basic_fstream/open/char/path.cc: New test.
	* testsuite/27_io/basic_ifstream/cons/char/path.cc: New test.
	* testsuite/27_io/basic_ifstream/open/char/path.cc: New test.
	* testsuite/27_io/basic_ofstream/cons/char/path.cc: New test.
	* testsuite/27_io/basic_ofstream/open/char/path.cc: New test.

	* include/bits/fs_path.h (path::format): Define new enumeration type.
	(path(string_type&&), path<Source>(const Source&))
	(path<InputIterator>(InputIterator, InputIterator))
	(path<Source>(const Source&, const locale&))
	(path<InputIterator>(InputIterator, InputIterator, const locale&)):
	Add format parameter.
	* testsuite/27_io/filesystem/path/construct/format.cc: New test.

	* include/bits/stl_algo.h (__find_if_not_n, generate_n): Cast to void
	to ensure overloaded comma not used.
	* include/bits/stl_algobase.h (__fill_n_a, equal): Likewise.
	* include/bits/stl_uninitialized.h (__uninitialized_fill_n)
	(__uninitialized_fill_n_a, __uninitialized_default_n_1)
	(__uninitialized_default_n_a, __uninitialized_copy_n)
	(__uninitialized_copy_n_pair): Likewise
	* testsuite/20_util/specialized_algorithms/memory_management_tools/1.cc:
	Use test iterator wrappers with overloaded comma operator.
	* testsuite/25_algorithms/fill_n/1.cc: Likewise.
	* testsuite/25_algorithms/generate_n/1.cc: New test.
	* testsuite/25_algorithms/stable_partition/1.cc: New test.
	* testsuite/util/testsuite_iterators.h (operator,): Add deleted
	non-member comma operator with iterator wrappers as right operand.

2017-10-26  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Deduction guides for associative containers, debug mode deduction
	guide fixes.
	* include/bits/stl_iterator.h (__iter_key_t)
	(__iter_val_t, __iter_to_alloc_t): New.
	* include/bits/stl_map.h: Add deduction guides.
	* include/bits/stl_multimap.h: Likewise.
	* include/bits/stl_multiset.h: Likewise.
	* include/bits/stl_set.h: Likewise.
	* include/bits/unordered_map.h: Likewise.
	* include/bits/unordered_set.h: Likewise.
	* include/debug/deque: Likewise.
	* include/debug/forward_list: Likewise.
	* include/debug/list: Likewise.
	* include/debug/map.h: Likewise.
	* include/debug/multimap.h: Likewise.
	* include/debug/multiset.h: Likewise.
	* include/debug/set.h: Likewise.
	* include/debug/unordered_map: Likewise.
	* include/debug/unordered_set: Likewise.
	* include/debug/vector: Likewise.
	* testsuite/23_containers/map/cons/deduction.cc: New.
	* testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
	* testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
	* testsuite/23_containers/set/cons/deduction.cc: Likewise.
	* testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/cons/deduction.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/cons/deduction.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.

2017-10-25  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/status_cxx2017.xml: Update C++17 status, and
	information on feature-test macros.
	* doc/html/*: Regenerate.

	PR libstdc++/82716
	* include/std/array (tuple_size, tuple_element): Change class-key
	from class to struct, to avoid annoying Clang warnings.

	PR libstdc++/79283
	* src/filesystem/ops.cc (read_symlink): Handle st_size being zero.
	* src/filesystem/std-ops.cc (read_symlink): Likewise.
	(do_copy_file) [!NEED_DO_COPY_FILE]: Avoid multiple definitions.

	* src/filesystem/std-path.cc (path::lexically_normal): Add missing
	step to algorithm, for removing dot-dot elements after root-directory.
	* testsuite/27_io/filesystem/operations/canonical.cc: Use
	compare_paths for more exhaustive checks.
	* testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
	* testsuite/27_io/filesystem/path/append/path.cc: Likewise.
	* testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
	* testsuite/27_io/filesystem/path/concat/strings.cc: Fix comment.
	* testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
	* testsuite/27_io/filesystem/path/decompose/root_directory.cc:
	Likewise.
	* testsuite/27_io/filesystem/path/generation/normal.cc: Use
	compare_paths for more exhaustive checks. Add extra testcases.
	* testsuite/27_io/filesystem/path/generation/proximate.cc: Use
	compare_paths for more exhaustive checks.
	* testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
	* testsuite/27_io/filesystem/path/generic/generic_string.cc: Remove
	unused header.
	* testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: Fix
	comment.
	* testsuite/27_io/filesystem/path/modifiers/remove_filename.cc: Use
	compare_paths for more exhaustive checks.
	* testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
	Likewise.
	* testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
	Likewise.
	* testsuite/util/testsuite_fs.h (compare_paths): Also compare native
	strings.

	PR libstdc++/82706
	* testsuite/27_io/filesystem/operations/permissions.cc: Fix test.

2017-10-24  François Dumont  <fdumont@gcc.gnu.org>

	* testsuite/lib/libstdc++.exp (check_v3_target_normal_mode): Add
	c++config.h include.
	(check_v3_target_normal_namespace): New.
	* testsuite/lib/dg-options.exp (dg-require-normal-namespace): New.
	* testsuite/18_support/headers/limits/synopsis.cc: Add latter.
	* testsuite/20_util/from_chars/requirements.cc: Likewise.
	* testsuite/20_util/headers/functional/synopsis.cc: Likewise.
	* testsuite/20_util/headers/memory/synopsis.cc: Likewise.
	* testsuite/20_util/headers/utility/synopsis.cc: Likewise.
	* testsuite/20_util/to_chars/requirements.cc: Likewise.
	* testsuite/21_strings/headers/string/synopsis.cc: Likewise.
	* testsuite/22_locale/headers/locale/synopsis.cc: Likewise.
	* testsuite/23_containers/headers/bitset/synopsis.cc: Likewise.
	* testsuite/23_containers/headers/deque/synopsis.cc: Likewise.
	* testsuite/23_containers/headers/forward_list/synopsis.cc: Likewise.
	* testsuite/23_containers/headers/list/synopsis.cc: Likewise.
	* testsuite/23_containers/headers/map/synopsis.cc: Likewise.
	* testsuite/23_containers/headers/queue/synopsis.cc: Likewise.
	* testsuite/23_containers/headers/set/synopsis.cc: Likewise.
	* testsuite/23_containers/headers/stack/synopsis.cc: Likewise.
	* testsuite/23_containers/headers/vector/synopsis.cc: Likewise.
	* testsuite/23_containers/map/modifiers/erase/abi_tag.cc: Likewise.
	* testsuite/23_containers/multimap/modifiers/erase/abi_tag.cc: Likewise.
	* testsuite/23_containers/multiset/modifiers/erase/abi_tag.cc: Likewise.
	* testsuite/23_containers/set/modifiers/erase/abi_tag.cc: Likewise.
	* testsuite/24_iterators/headers/iterator/synopsis.cc: Likewise.
	* testsuite/24_iterators/headers/iterator/synopsis_c++11.cc: Likewise.
	* testsuite/24_iterators/headers/iterator/synopsis_c++14.cc: Likewise.
	* testsuite/24_iterators/headers/iterator/synopsis_c++17.cc: Likewise.
	* testsuite/26_numerics/complex/abi_tag.cc: Likewise.
	* testsuite/26_numerics/headers/complex/synopsis.cc: Likewise.
	* testsuite/26_numerics/headers/valarray/synopsis.cc: Likewise.
	* testsuite/27_io/headers/fstream/synopsis.cc: Likewise.
	* testsuite/27_io/headers/ios/synopsis.cc: Likewise.
	* testsuite/27_io/headers/istream/synopsis.cc: Likewise.
	* testsuite/27_io/headers/ostream/synopsis.cc: Likewise.
	* testsuite/27_io/headers/sstream/synopsis.cc: Likewise.
	* testsuite/27_io/headers/streambuf/synopsis.cc: Likewise.

2017-10-24  Jonathan Wakely  <jwakely@redhat.com>

	* config/locale/gnu/c_locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Ignore
	-Wattribute-alias warnings.
	* src/c++11/istream-inst.cc: Likewise.
	* src/c++11/locale-inst.cc: Likewise.
	* src/c++11/ostream-inst.cc: Likewise.
	* src/c++11/wlocale-inst.cc: Likewise.
	* src/c++98/hash-long-double-tr1-aux.cc: Likewise.

	* include/bits/string_view.tcc (find_first_of, find_last_of)
	(find_first_not_of, find_last_not_of): Add noexcept.
	* include/std/string_view (basic_string_view(const _CharT*))
	(basic_string_view(const _CharT*, size_type))
	(front, back, remove_prefix, remove_suffix, find, rfind)
	(find_first_of, find_first_not_of): Add noexcept.
	(at(size_type), _S_compare(size_type, size_type)): Replace conditional
	expressions with if statements.
	(copy(_CharT*, size_type, size_type), substr(size_type, size_type)):
	Use _M_check for length checks.
	(compare(basic_string_view)): Reformat.
	(_M_check(size_type, const char)): Add noexcept(false).
	(_M_limit(size_type, size_type)): Use noexcept not _GLIBCXX_NOEXCEPT.

	PR libstdc++/82685
	* include/experimental/string_view (operator""sv): Add noexcept.
	* include/std/string_view (operator""sv): Likewise.

2017-10-23  Jonathan Wakely  <jwakely@redhat.com>

	* include/Makefile.am: Add new headers for C++17 filesystem library.
	* include/Makefile.in: Regenerate.
	* include/bits/fs_dir.h: New header, based on Filesystem TS code in
	include/experimental/bits directory.
	* include/bits/fs_fwd.h: Likewise.
	* include/bits/fs_ops.h: Likewise.
	* include/bits/fs_path.h: Likewise.
	* include/experimental/bits/fs_dir.h: Rename Doxygen group.
	* include/experimental/bits/fs_fwd.h: Likewise.
	* include/experimental/bits/fs_ops.h: Likewise.
	* include/experimental/bits/fs_path.h: Likewise.
	* include/experimental/filesystem (filesystem_error::_M_gen_what):
	Remove inline definition.
	* include/precompiled/stdc++.h: Add <filesystem> to precompiled
	header.
	* include/std/filesystem: New header.
	* python/libstdcxx/v6/printers.py: Enable printer for std::filesystem
	paths.
	* src/filesystem/Makefile.am: Add new files. Compile as C++17.
	* src/filesystem/Makefile.in: Regenerate.
	* src/filesystem/cow-dir.cc: Update comment.
	* src/filesystem/cow-ops.cc: Likewise.
	* src/filesystem/cow-path.cc: Likewise.
	* src/filesystem/cow-std-dir.cc: New file.
	* src/filesystem/cow-std-ops.cc: New file.
	* src/filesystem/cow-std-path.cc: New file.
	* src/filesystem/dir-common.h (_Dir_base, get_file_type): New header
	for common code.
	* src/filesystem/dir.cc (_Dir): Derive from _Dir_base.
	(open_dir): Move to _Dir_base constructor.
	(get_file_type): Move to dir-common.h.
	(recurse): Move to _Dir_base::should_recurse.
	* src/filesystem/ops-common.h: New header for common code.
	* src/filesystem/ops.cc (is_set, make_file_type, make_file_status)
	(is_not_found_errno, file_time, do_copy_file): Move to ops-common.h.
	* src/filesystem/path.cc (filesystem_error::_M_gen_what): Define.
	* src/filesystem/std-dir.cc: New file, based on Filesystem TS code.
	* src/filesystem/std-ops.cc: Likewise.
	* src/filesystem/std-dir.cc: Likewise.
	* testsuite/27_io/filesystem/iterators/directory_iterator.cc: New
	test.
	* testsuite/27_io/filesystem/iterators/pop.cc: New test.
	* testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
	New test.
	* testsuite/27_io/filesystem/operations/absolute.cc: New test.
	* testsuite/27_io/filesystem/operations/canonical.cc: New test.
	* testsuite/27_io/filesystem/operations/copy.cc: New test.
	* testsuite/27_io/filesystem/operations/copy_file.cc: New test.
	* testsuite/27_io/filesystem/operations/create_directories.cc: New
	test.
	* testsuite/27_io/filesystem/operations/create_directory.cc: New test.
	* testsuite/27_io/filesystem/operations/create_symlink.cc: New test.
	* testsuite/27_io/filesystem/operations/current_path.cc: New test.
	* testsuite/27_io/filesystem/operations/equivalent.cc: New test.
	* testsuite/27_io/filesystem/operations/exists.cc: New test.
	* testsuite/27_io/filesystem/operations/file_size.cc: New test.
	* testsuite/27_io/filesystem/operations/is_empty.cc: New test.
	* testsuite/27_io/filesystem/operations/last_write_time.cc: New test.
	* testsuite/27_io/filesystem/operations/permissions.cc: New test.
	* testsuite/27_io/filesystem/operations/proximate.cc: New test.
	* testsuite/27_io/filesystem/operations/read_symlink.cc: New test.
	* testsuite/27_io/filesystem/operations/relative.cc: New test.
	* testsuite/27_io/filesystem/operations/remove_all.cc: New test.
	* testsuite/27_io/filesystem/operations/space.cc: New test.
	* testsuite/27_io/filesystem/operations/status.cc: New test.
	* testsuite/27_io/filesystem/operations/symlink_status.cc: New test.
	* testsuite/27_io/filesystem/operations/temp_directory_path.cc: New
	test.
	* testsuite/27_io/filesystem/operations/weakly_canonical.cc: New test.
	* testsuite/27_io/filesystem/path/append/path.cc: New test.
	* testsuite/27_io/filesystem/path/assign/assign.cc: New test.
	* testsuite/27_io/filesystem/path/assign/copy.cc: New test.
	* testsuite/27_io/filesystem/path/compare/compare.cc: New test.
	* testsuite/27_io/filesystem/path/compare/path.cc: New test.
	* testsuite/27_io/filesystem/path/compare/strings.cc: New test.
	* testsuite/27_io/filesystem/path/concat/path.cc: New test.
	* testsuite/27_io/filesystem/path/concat/strings.cc: New test.
	* testsuite/27_io/filesystem/path/construct/copy.cc: New test.
	* testsuite/27_io/filesystem/path/construct/default.cc: New test.
	* testsuite/27_io/filesystem/path/construct/locale.cc: New test.
	* testsuite/27_io/filesystem/path/construct/range.cc: New test.
	* testsuite/27_io/filesystem/path/construct/string_view.cc: New test.
	* testsuite/27_io/filesystem/path/decompose/extension.cc: New test.
	* testsuite/27_io/filesystem/path/decompose/filename.cc: New test.
	* testsuite/27_io/filesystem/path/decompose/parent_path.cc: New test.
	* testsuite/27_io/filesystem/path/decompose/relative_path.cc: New
	test.
	* testsuite/27_io/filesystem/path/decompose/root_directory.cc: New
	test.
	* testsuite/27_io/filesystem/path/decompose/root_name.cc: New test.
	* testsuite/27_io/filesystem/path/decompose/root_path.cc: New test.
	* testsuite/27_io/filesystem/path/decompose/stem.cc: New test.
	* testsuite/27_io/filesystem/path/generation/normal.cc: New test.
	* testsuite/27_io/filesystem/path/generation/proximate.cc: New test.
	* testsuite/27_io/filesystem/path/generation/relative.cc: New test.
	* testsuite/27_io/filesystem/path/generic/generic_string.cc: New test.
	* testsuite/27_io/filesystem/path/itr/traversal.cc: New test.
	* testsuite/27_io/filesystem/path/modifiers/clear.cc: New test.
	* testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: New
	test.
	* testsuite/27_io/filesystem/path/modifiers/remove_filename.cc: New
	test.
	* testsuite/27_io/filesystem/path/modifiers/replace_extension.cc: New
	test.
	* testsuite/27_io/filesystem/path/modifiers/replace_filename.cc: New
	test.
	* testsuite/27_io/filesystem/path/modifiers/swap.cc: New test.
	* testsuite/27_io/filesystem/path/native/string.cc: New test.
	* testsuite/27_io/filesystem/path/nonmember/hash_value.cc: New test.
	* testsuite/27_io/filesystem/path/query/empty.cc: New test.
	* testsuite/27_io/filesystem/path/query/has_extension.cc: New test.
	* testsuite/27_io/filesystem/path/query/has_filename.cc: New test.
	* testsuite/27_io/filesystem/path/query/has_parent_path.cc: New test.
	* testsuite/27_io/filesystem/path/query/has_relative_path.cc: New
	test.
	* testsuite/27_io/filesystem/path/query/has_root_directory.cc: New
	test.
	* testsuite/27_io/filesystem/path/query/has_root_name.cc: New test.
	* testsuite/27_io/filesystem/path/query/has_root_path.cc: New test.
	* testsuite/27_io/filesystem/path/query/has_stem.cc: New test.
	* testsuite/27_io/filesystem/path/query/is_relative.cc: New test.
	* testsuite/experimental/filesystem/path/construct/string_view.cc:
	Define USE_FILESYSTEM_TS.
	* testsuite/util/testsuite_fs.h: Allow use with C++17 paths as well
	as Filesystem TS.

	PR libstdc++/82644
	* doc/xml/manual/intro.xml: Include new section.
	* doc/xml/manual/status_cxxis29124.xml: New section on IS 29124
	status.
	* include/bits/specfun.h [__STRICT_ANSI__] (hyperg, hypergf, hypergl)
	(conf_hyperg, conf_hypergf, conf_hypergl): Don't declare.
	* include/c_compatibility/math.h: Import special functions into
	global namespace for C++17.
	* testsuite/26_numerics/headers/cmath/82644.cc: New test.
	* testsuite/26_numerics/headers/cmath/functions_global_c++17.cc: New
	test.

2017-10-21  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/experimental/filesystem/path/itr/traversal.cc: Do not
	increment past-the-end iterators.

2017-10-20  Jonathan Wakely  <jwakely@redhat.com>

	* include/std/chrono (__cpp_lib_chrono): Update macro value to
	indicate support for P0505R0.
	* testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: Check
	for updated macro.

	* include/c_global/cstddef: Define __cpp_lib_byte feature-test macro.
	* testsuite/18_support/byte/requirements.cc: Check macro.

2017-10-19  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Ensure that error_code arguments are
	cleared when required.
	* testsuite/experimental/filesystem/operations/create_directory.cc:
	Remove redundant check.
	* testsuite/experimental/filesystem/operations/temp_directory_path.cc:
	Ensure that error_code argument is cleared when required.

	* include/experimental/bits/fs_path.h (path::iterator++(int))
	(path::iterator--(int)): Fix for paths with only one component.
	* testsuite/experimental/filesystem/path/itr/traversal.cc: Test
	post-increment and post-decrement.

	* doc/xml/manual/status_cxx2017.xml: Update references to C++17
	section numbers.

	* testsuite/decimal/conversion-to-integral.cc: Use predefined macro
	instead of non-standard glibc one.

2017-10-16  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/82558
	* include/bits/stl_bvector.h (fill): Add iterator offset check.
	* testsuite/23_containers/vector/bool/82558.cc: New.

2017-10-13  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/82522
	* doc/xml/manual/intro.xml: Document LWG 2354 changes.
	* include/bits/stl_map.h (map::insert(value_type&&))
	(map::insert(const_iterator, value_type&&)): Add overload for rvalues.
	* include/bits/stl_multimap.h (multimap::insert(value_type&&))
	(multimap::insert(const_iterator, value_type&&)): Likewise.
	* include/bits/unordered_map.h (unordered_map::insert(value_type&&))
	(unordered_map::insert(const_iterator, value_type&&))
	(unordered_multimap::insert(value_type&&))
	(unordered_multimap::insert(const_iterator, value_type&&)): Likewise.
	* testsuite/23_containers/map/modifiers/insert/dr2354.cc: New test.
	* testsuite/23_containers/multimap/modifiers/insert/dr2354.cc: New
	test.
	* testsuite/23_containers/unordered_map/insert/dr2354.cc: New test.
	* testsuite/23_containers/unordered_multimap/insert/dr2354.cc: New
	test.

	PR libstdc++/82481
	* include/std/mutex (call_once): Suppress clang-tidy warnings about
	dangling references.

2017-10-10  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/streambuf_iterator.h (istreambuf_iterator::equal):
	Update comment about NAD issue.

	PR libstdc++/59087
	PR libstdc++/82417
	* include/c_compatibility/complex.h [!C++98 && __STRICT_ANSI__]: Do
	not include C library's <complex.h>.
	* testsuite/26_numerics/complex/c99.cc: Depend on __STRICT_ANSI__.
	* testsuite/26_numerics/headers/complex.h/std_c++11.h: New test.
	* testsuite/26_numerics/headers/complex.h/std_gnu++11.h: New test.
	* testsuite/26_numerics/headers/complex.h/std_c++98.h: New test.

2017-10-05  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/20_util/to_chars/1.cc: Add dg-require-string-conversions.

2017-10-04  Petr Ovtchenkov  <ptr@void-ptr.info>
	    François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/streambuf_iterator.h
	(istreambuf_iterator<>::operator*()): Do not capture iterator state
	in Debug assertion.
	(istreambuf_iterator<>::operator++()): Likewise and remove _M_sbuf check.
	(istreambuf_iterator<>::operator++(int)): Likewise.
	(istreambuf_iterator<>::_M_get()): Remove _M_c assignment.
	(istreambuf_iterator<>::_S_is_eof()): New.
	(istreambuf_iterator<>::_M_at_eof()): Adapt, use latter.
	(find(istreambuf_iterator<>, istreambuf_iterator<>, _CharT)):
	Return an iterator with _M_c set to eof to capture streambuf state
	on evaluation.
	(testsuite/24_iterators/istreambuf_iterator/2.cc): Add checks.

2017-10-03  Jakub Jelinek  <jakub@redhat.com>

	* include/std/charconv (__unsigned_least_t): Fix number of closing >s for
	!_GLIBCXX_USE_INT128.

2017-10-02  Jonathan Wakely  <jwakely@redhat.com>

	* include/Makefile.am: Add new <charconv> header.
	* include/Makefile.in: Regenerate.
	* include/precompiled/stdc++.h: Include <charconv>.
	* include/std/charconv: New file.
	(to_chars_result, to_chars, from_chars_result, from_chars): Define.
	* testsuite/20_util/from_chars/1.cc: New test.
	* testsuite/20_util/from_chars/1_neg.cc: New test.
	* testsuite/20_util/from_chars/2.cc: New test.
	* testsuite/20_util/from_chars/requirements.cc: New test.
	* testsuite/20_util/to_chars/1.cc: New test.
	* testsuite/20_util/to_chars/1_neg.cc: New test.
	* testsuite/20_util/to_chars/2.cc: New test.
	* testsuite/20_util/to_chars/requirements.cc: New test.

2017-09-27  François Dumont  <fdumont@gcc.gnu.org>

	* testsuite/22_locale/money_get/get/char/22131.cc: Make test less
	istreambuf_iterator implementation dependent.
	* testsuite/22_locale/money_get/get/wchar_t/22131.cc: Likewise.

2017-09-25  Uros Bizjak  <ubizjak@gmail.com>

	PR c/81854
	* src/c++98/complex_io.cc (_GLIBCXX_LDBL_COMPAT): Declare alias
	target as a C++ function with no prototype.

2017-09-21  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/25_algorithms/clamp/1.cc: Fix order of arguments and
	expected results when using predicate defining reverse order.
	* testsuite/25_algorithms/clamp/constexpr.cc: Likewise.

2017-09-20  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79162
	* include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
	(basic_string::_If_sv): Remove from the overload set when the
	argument is derived from basic_string.

	PR libstdc++/79162
	* include/bits/basic_string.h (basic_string::_If_sv): Remove from the
	overload set when the argument is derived from basic_string.
	* testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc: New
	test.
	* testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc:
	New test.

	* testsuite/24_iterators/range_access_cpp17.cc: Fix order of dg-do
	and dg-options directives. Fix invalid test.

	PR libstdc++/81469
	* libsupc++/exception (uncaught_exception): Deprecate for C++17.
	* testsuite/18_support/exception_ptr/62258.cc: Add -Wno-deprecated.
	* testsuite/18_support/uncaught_exception/14026.cc: Likewise.

	* include/bits/c++config (_GLIBCXX17_DEPRECATED): Define.
	* include/bits/functional_hash.h (__hash_base::result_type)
	(__hash_base::argument_type): Add _GLIBCXX17_DEPRECATED.
	* include/std/optional (hash<optional<T>>::result_type)
	(hash<optional<T>>::argument_type): Add deprecated attribute.
	(__is_fast_hash<hash<optional<T>>>): Add partial specialization.
	* include/std/variant (hash<variant<Types...>>::result_type)
	(hash<variant<Types...>>::argument_type): Add deprecated attribute.
	(__is_fast_hash<hash<variant<Types...>>>): Add partial specialization.

	* libsupc++/exception_ptr.h (copy_exception): Remove deprecated
	non-standard function.

	PR libstdc++/82262
	* include/std/optional (__optional_hash_call_base): Add template
	parameter for remove_const_t<_Tp> and use it consistently.
	* testsuite/20_util/optional/hash.cc: Test optional<const T>.

2017-09-19  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/71500
	* include/bits/regex_executor.tcc
	(_Backref_matcher<BidIt, regex_traits<C>>::_M_apply): Use
	std::__equal4 instead of C++14 4-iterator overloads of std::equal.
	* include/bits/stl_algobase.h (__equal4): New functions implementing
	4-iterator overloads of std::equal for use in C++11.
	(equal(It1, It1, It2, It2), equal(It1, It1, It2, It2, BinaryPred)):
	Move function bodies to new __equal4 functions.
	* testsuite/28_regex/simple_c++11.cc: New.

	PR libstdc++/82254
	* include/std/type_traits (__is_invocable): Add partial specialization
	for INVOKE<void> case and remove is_void<R> check from partial
	specialization for INVOKE<R> case.
	(__is_nt_invocable_impl): New helper for is_nothrow_invocable_r.
	(is_nothrow_invocable_r): Use __is_nt_invocable_impl.
	* testsuite/20_util/is_nothrow_invocable/value.cc: Add tests for
	conversions that can throw or fail to convert. Use static assert
	strings to explain negative results.
	* testsuite/20_util/is_nothrow_invocable/value_ext.cc: Use
	is_nothrow_constructible in is_nt_invocable_conv.

2017-09-18  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/81468
	* testsuite/20_util/duration/cons/dr1177.cc: Fix incorrect test and
	improve static assertion messages.

	* include/std/utility (_Itup_cat, _Make_integer_sequence): Remove.
	(_Build_index_tuple, make_integer_sequence): Use built-in to generate
	pack expansion.

	PR libstdc++/71187
	* include/std/type_traits (__declval): New function to deduce return
	type of declval.
	(__declval_protector::_delegate): Remove.
	(declval): Use __declval instead of add_rvalue_reference and
	__declval_protector::__delegate.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
	lineno.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.

2017-09-15  Jakub Jelinek  <jakub@redhat.com>

	* testsuite/libstdc++-prettyprinters/cxx17.cc: Use -std=c++17 or
	-std=gnu++17 instead of -std=c++1z or -std=gnu++1z.  Use c++17 instead
	of c++1z and c++17_only instead of c++1z_only.  Adjust expected
	diagnostics and comments refering to 1z to 17.
	* testsuite/30_threads/lock_guard/cons/deduction.cc: Likewise.
	* testsuite/30_threads/scoped_lock/cons/deduction.cc: Likewise.
	* testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
	* testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
	* testsuite/30_threads/scoped_lock/requirements/explicit_instantiation.cc:
	Likewise.
	* testsuite/30_threads/unique_lock/cons/deduction.cc: Likewise.
	* testsuite/18_support/launder/1.cc (test02): Likewise.
	* testsuite/18_support/launder/requirements_neg.cc: Likewise.
	* testsuite/18_support/launder/requirements.cc: Likewise.
	* testsuite/18_support/byte/requirements.cc: Likewise.
	* testsuite/18_support/byte/ops.cc: Likewise.
	* testsuite/18_support/byte/global_neg.cc: Likewise.
	* testsuite/18_support/uncaught_exceptions/uncaught_exceptions.cc:
	Likewise.
	* testsuite/27_io/types/4.cc: Likewise.
	* testsuite/25_algorithms/sample/81221.cc: Likewise.
	* testsuite/25_algorithms/sample/1.cc: Likewise.
	* testsuite/25_algorithms/sample/2.cc: Likewise.
	* testsuite/25_algorithms/search/searcher.cc: Likewise.
	* testsuite/28_regex/basic_regex/ctors/deduction.cc: Likewise.
	* testsuite/experimental/filesystem/path/construct/string_view.cc:
	Likewise.
	* testsuite/24_iterators/range_access_cpp17.cc: Likewise.
	* testsuite/24_iterators/container_access.cc: Likewise.
	* testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
	* testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
	* testsuite/20_util/shared_ptr/cons/deduction.cc: Likewise.
	* testsuite/20_util/shared_ptr/cons/array.cc: Likewise.
	* testsuite/20_util/shared_ptr/observers/array.cc (struct A): Likewise.
	* testsuite/20_util/pair/cons/deduction.cc: Likewise.
	* testsuite/20_util/variant/deduction.cc: Likewise.
	* testsuite/20_util/tuple/78939.cc: Likewise.
	* testsuite/20_util/tuple/cons/deduction.cc: Likewise.
	* testsuite/20_util/void_t/1.cc: Likewise.
	* testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: Likewise.
	* testsuite/20_util/unique_ptr/cons/deduction_neg.cc: Likewise.
	* testsuite/20_util/addressof/requirements/constexpr.cc: Likewise.
	* testsuite/20_util/weak_ptr/cons/deduction.cc: Likewise.
	* testsuite/20_util/has_unique_object_representations/requirements/typedefs.cc:
	Likewise.
	* testsuite/20_util/has_unique_object_representations/requirements/explicit_instantiation.cc:
	Likewise.
	* testsuite/20_util/has_unique_object_representations/value.cc:
	Likewise.
	* testsuite/20_util/time_point/arithmetic/constexpr.cc: Likewise.
	* testsuite/20_util/function_objects/invoke/59768.cc: Likewise.
	* testsuite/20_util/function_objects/mem_fn/80478.cc: Likewise.
	* testsuite/20_util/function/cons/deduction.cc: Likewise.
	* testsuite/20_util/specialized_algorithms/memory_management_tools/destroy_neg.cc:
	Likewise.
	* testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
	* testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
	Likewise.
	* testsuite/20_util/is_aggregate/value.cc: Likewise.
	* testsuite/26_numerics/lcm/1.cc: Likewise.
	* testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
	* testsuite/26_numerics/gcd/1.cc: Likewise.
	* testsuite/26_numerics/gcd/gcd_neg.cc: Likewise.
	* testsuite/26_numerics/valarray/deduction.cc: Likewise.
	* testsuite/26_numerics/headers/cmath/types_std_c++0x_neg.cc: Likewise.
	* testsuite/26_numerics/headers/cmath/hypot.cc: Likewise.
	* testsuite/23_containers/queue/members/emplace_cxx17_return.cc:
	Likewise.
	* testsuite/23_containers/array/cons/deduction.cc: Likewise.
	* testsuite/23_containers/array/cons/deduction_neg.cc: Likewise.
	* testsuite/23_containers/deque/modifiers/emplace/cxx17_return.cc:
	Likewise.
	* testsuite/23_containers/deque/cons/deduction.cc: Likewise.
	* testsuite/23_containers/stack/members/emplace_cxx17_return.cc:
	Likewise.
	* testsuite/23_containers/list/modifiers/emplace/cxx17_return.cc:
	Likewise.
	* testsuite/23_containers/list/cons/deduction.cc: Likewise.
	* testsuite/23_containers/forward_list/modifiers/emplace_cxx17_return.cc:
	Likewise.
	* testsuite/23_containers/forward_list/cons/deduction.cc: Likewise.
	* testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Likewise.
	* testsuite/23_containers/vector/modifiers/emplace/cxx17_return.cc:
	Likewise.
	* testsuite/23_containers/vector/cons/deduction.cc: Likewise.
	* testsuite/23_containers/vector/bool/emplace_cxx17_return.cc:
	Likewise.
	* testsuite/21_strings/basic_string/cons/char/9.cc: Likewise.
	* testsuite/21_strings/basic_string/cons/char/deduction.cc: Likewise.
	* testsuite/21_strings/basic_string/cons/char/79162.cc: Likewise.
	* testsuite/21_strings/basic_string/cons/wchar_t/9.cc: Likewise.
	* testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
	Likewise.
	* testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/char/70483.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc:
	Likewise.

2017-09-13  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/81468
	* include/std/chrono (__enable_if_is_duration)
	(__disable_if_is_duration): New alias templates to simplify SFINAE.
	(duration_cast, floor, ceil): Use __enable_if_is_duration.
	(duration::__is_float, duration::__is_harmonic): New alias templates
	to simplify SFINAE.
	(duration::duration(const _Rep2&)): Use _Require, __is_float and
	__is_harmonic.
	(duration::duration(const duration<_Rep2, _Period2>&)): Likewise.
	(__common_rep_type): Remove, replace with ...
	(__common_rep_t): New alias template.
	(operator*, operator/, operator%): Use __common_rep_t and
	__disable_if_is_duration.
	(time_point::time_point(const time_point<clock, _Dur2>&)): Add missing
	constraint from LWG DR 1177.
	* testsuite/20_util/duration/cons/dr1177.cc: New.
	* testsuite/20_util/duration/literals/range.cc: Update dg-error line.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
	* testsuite/20_util/time_point/cons/81468.cc: New.

	* doc/doxygen/mainpage.html: Fix broken URLs.

	PR libstdc++/81835
	* doc/xml/manual/extensions.xml: Replace unstable URL.
	* doc/html/manual/ext_demangling.html: Regenerate.
	* libsupc++/cxxabi.h (__cxa_demangle): Fix broken URL.

	* include/bits/allocated_ptr.h (__allocated_ptr::get): Use
	__to_address.
	(__allocated_ptr::_S_raw_ptr): Remove.
	* include/bits/forward_list.h (_Fwd_list_base::_M_get_node): Use
	__to_address.
	* include/bits/hashtable_policy.h (_Hashtable_alloc): Likewise.
	* include/bits/ptr_traits.h (__to_address): Define new function
	template.
	* include/bits/shared_ptr_base.h (__shared_ptr): Use __to_address.
	(__shared_ptr::_S_raw_ptr): Remove.
	* include/bits/stl_vector.h [__cplusplus >= 201103L]
	(vector::_M_data_ptr): Use __to_address.
	[__cplusplus < 201103L] (vector::_M_data_ptr): Don't dereference
	possibly invalid pointers.
	* include/ext/alloc_traits.h (__alloc_traits::construct)
	(__alloc_traits::destroy): Use __to_address.

2017-09-12  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79433
	* include/Makefile.am: Remove <bits/c++14_warning.h>.
	* include/Makefile.in: Regenerate.
	* include/bits/c++14_warning.h: Remove.
	* include/experimental/algorithm: Do not include <c++14_warning.h>.
	* include/experimental/any: Likewise.
	* include/experimental/array: Likewise.
	* include/experimental/bits/erase_if.h: Likewise.
	* include/experimental/bits/lfts_config.h: Likewise.
	* include/experimental/bits/shared_ptr.h: Likewise.
	* include/experimental/bits/string_view.tcc: Likewise.
	* include/experimental/chrono: Likewise.
	* include/experimental/deque: Likewise.
	* include/experimental/filesystem: Do not include <c++0x_warning.h>.
	* include/experimental/forward_list: Do not include <c++14_warning.h>.
	* include/experimental/functional: Likewise.
	* include/experimental/iterator: Likewise.
	* include/experimental/list: Likewise.
	* include/experimental/map: Likewise.
	* include/experimental/memory: Likewise.
	* include/experimental/numeric: Likewise.
	* include/experimental/optional: Likewise.
	* include/experimental/propagate_const: Likewise.
	* include/experimental/ratio: Likewise.
	* include/experimental/regex: Likewise.
	* include/experimental/set: Likewise.
	* include/experimental/string: Likewise.
	* include/experimental/string_view: Likewise.
	* include/experimental/system_error: Likewise.
	* include/experimental/tuple: Likewise.
	* include/experimental/type_traits: Likewise.
	* include/experimental/unordered_map: Likewise.
	* include/experimental/unordered_set: Likewise.
	* include/experimental/vector: Likewise.
	* testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error
	line number.
	* testsuite/experimental/array/neg.cc: Likewise.
	* testsuite/experimental/propagate_const/assignment/move_neg.cc:
	Likewise.
	* testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements2.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements3.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements4.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements5.cc: Likewise.

	PR libstdc++/79433
	* doc/xml/manual/status_cxx2017.xml: Update feature-test macros.
	* doc/html/*: Regenerate.
	* include/Makefile.am: Remove <bits/c++17_warning.h>.
	* include/Makefile.in: Regenerate.
	* include/bits/c++17_warning.h: Remove.
	* include/bits/string_view.tcc: Do not include <bits/c++17_warning.h>
	for pre-C++17 modes.
	* include/std/any: Likewise.
	(__cpp_lib_any): Define.
	* include/std/mutex (__cpp_lib_scoped_lock): Adjust value as per new
	SD-6 draft.
	* include/std/numeric (__cpp_lib_gcd_lcm): Define as per new SD-6
	draft.
	* include/std/optional: Do not include <bits/c++17_warning.h>.
	(__cpp_lib_optional): Define.
	* include/std/shared_mutex: Do not include <bits/c++14_warning.h>.
	* include/std/string_view: Do not include <bits/c++17_warning.h>.
	(__cpp_lib_string_view): Define.
	* include/std/variant: Do not include <bits/c++17_warning.h>.
	(__cpp_lib_variant): Define.
	* testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error line
	numbers.
	* testsuite/26_numerics/gcd/1.cc: Test for __cpp_lib_gcd_lcm.
	* testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line
	numbers.
	* testsuite/26_numerics/lcm/1.cc: Test for __cpp_lib_gcd_lcm.
	* testsuite/26_numerics/lcm/lcm_neg.cc: Adjust dg-error line
	numbers.
	* testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Adjust
	expected value of __cpp_lib_scoped_lock.

	PR libstdc++/70483
	* include/experimental/bits/string_view.tcc (basic_string_view::find)
	(basic_string_view::rfind, basic_string_view::find_first_of)
	(basic_string_view::find_last_of, basic_string_view::find_first_not_of)
	(basic_string_view::find_last_not_of): Add constexpr specifier.
	* include/experimental/string_view (basic_string_view::remove_prefix)
	(basic_string_view::remove_suffix, basic_string_view::swap)
	(basic_string_view::compare, basic_string_view::find)
	(basic_string_view::rfind, basic_string_view::find_first_of)
	(basic_string_view::find_last_of, basic_string_view::find_first_not_of)
	(basic_string_view::find_last_not_of, operator==, operator!=)
	(operator<, operator>, operator<=, operator>=): Likewise.
	* testsuite/experimental/string_view/operations/compare/char/70483.cc:
	New.

2017-09-11  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/70483
	* include/bits/string_view.tcc (basic_string_view::find)
	(basic_string_view::rfind, basic_string_view::find_first_of)
	(basic_string_view::find_last_of, basic_string_view::find_first_not_of)
	(basic_string_view::find_last_not_of): Add constexpr specifier.
	* include/std/string_view (basic_string_view::operator=)
	(basic_string_view::rbegin, basic_string_view::rend)
	(basic_string_view::crbegin, basic_string_view::crend)
	(basic_string_view::remove_prefix, basic_string_view::remove_suffix)
	(basic_string_view::swap, basic_string_view::compare)
	(basic_string_view::find, basic_string_view::rfind)
	(basic_string_view::find_first_of, basic_string_view::find_last_of)
	(basic_string_view::find_first_not_of)
	(basic_string_view::find_last_not_of, basic_string_view::_M_check)
	(basic_string_view::_M_limit, operator==, operator!=, operator<)
	(operator>, operator<=, operator>=): Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
	char/1.cc: Repeat tests in constexpr context.
	* testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
	wchar_t/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
	char/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
	wchar_t/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/char/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/wchar_t/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operators/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operators/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/range_access/char/1.cc: Test
	cbegin, cend, rbegin, rend, crbegin and crend.
	* testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/char/1.cc:
	Remove trailing whitespace.
	* testsuite/21_strings/basic_string_view/operations/compare/wchar_t/
	1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
	New.
	* testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
	New.
	* testsuite/21_strings/basic_string_view/operations/compare/char/2.cc:
	New.
	* testsuite/21_strings/basic_string_view/operations/compare/wchar_t/
	2.cc: New.

2017-09-11  Tim Shen  <timshen@google.com>

	PR libstdc++/71500
	* include/bits/regex_executor.tcc: Support icase in regex_traits<...>
	for back reference matches.
	* testsuite/28_regex/regression.cc: Test case.

2017-09-11  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/21_strings/basic_string/lwg2946.cc: Adjust for
	compatibility with old COW std::string.

2017-09-09  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/allocator.xml: Adjust link for Hoard.
	* doc/html/manual/memory.html: Regenerate.

2017-09-04  Daniel Kruegler  <daniel.kruegler@gmail.com>

	PR libstdc++/79162
	Implement LWG 2946, LWG 2758's resolution missed further corrections
	* include/bits/basic_string.h (basic_string::compare): Add missing
	required noexcept specifications.
	(basic_string): Introduce internal _S_to_string_view and __sv_wrapper
	for implicit string_view conversion.
	(basic_string::basic_string): Fix explicit string_view conversion by
	implicit conversion using _S_to_string_view and __sv_wrapper.
	(basic_string): Introduce internal basic_string(__sv_wrapper, Alloc)
	constructor.
	(basic_string): Fix operator=(T) template by operator=(const T&)
	template for uncopyable types (PR 79162).
	(basic_string::operator+=, basic_string::append, basic_string::assign)
	(basic_string::insert, basic_string::replace, basic_string::find)
	(basic_string::rfind, basic_string::find_first_of)
	(basic_string::find_last_of, basic_string::find_first_not_of)
	(basic_string::find_last_not_of, basic_string::compare): Replace
	__sv_type argument by template const T& (LWG 2946) and correct
	documentation describing __sv_type argument.
	(basic_string::find, basic_string::rfind, basic_string::find_first_of)
	(basic_string::find_last_of, basic_string::find_first_not_of)
	(basic_string::find_last_not_of, basic_string::compare): Replace
	unconditional noexcept specification by conditional noexcept
	specification to partially balance the removal of noexcept by LWG 2946.
	* testsuite/21_strings/basic_string/79162.cc: New.
	* testsuite/21_strings/basic_string/lwg2946.cc: New.

2017-08-31  Jonathan Wakely  <jwakely@redhat.com>

	PR c++/82039
	* include/ext/new_allocator.h (__gnu_cxx::new_allocator::allocate):
	Adjust null pointer constant to avoid warning.

2017-08-24  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_list.h
	[!_GLIBCXX_INLINE_VERSION](_List_base<>::_S_distance): Remove.
	(_List_impl(_Node_alloc_type&&, _List_impl&&)): New.
	(_List_base(_Node_alloc_type&&, _List_base&&)): New, use latter.
	[!_GLIBCXX_INLINE_VERSION](_List_base(_Node_alloc_type&&,_List_base&&)):
	Remove.
	(_List_base(_Node_alloc_type&&)): New.
	[!_GLIBCXX_INLINE_VERSION](_List_base<>::_M_distance): Remove.
	[!_GLIBCXX_INLINE_VERSION](_List_base<>::_M_node_count): Remove.
	(list<>::_M_node_count): New.
	(list<>::size()): Adapt to call latter.
	(list<>::_S_distance(const_iterator, const_iterator)): New.
	(list<>::splice(iterator, list&, const_iterator, const_iterator)):
	Adapt to call latter.
	(list(list&&, const allocator_type&, true_type)): New.
	(list(list&&, const allocator_type&, false_type)): New.
	(list(list&&, const allocator_type&)): Adapt to call latters.

2017-08-21  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/81912
	* include/bits/stl_iterator_base_types.h (__iterator_category): Add
	constexpr for C++11 and later.
	* testsuite/24_iterators/container_access.cc: Add target selector.
	* testsuite/24_iterators/range_access.cc: Fix clause number in
	comment.
	* testsuite/24_iterators/range_access_cpp14.cc: Likewise.
	* testsuite/24_iterators/range_access_cpp17.cc: New.

2017-08-21  Richard Biener  <rguenther@suse.de>

	* testsuite/libstdc++-prettyprinters/prettyprinters.exp: Run all
	tests with -flto as well if supported.

2017-08-20  Martin Sebor  <msebor@redhat.com>

	PR c/81854
	* src/c++98/compatibility.cc (_GLIBCXX_3_4_SYMVER): Declare alias
	target as a C++ function with no prototype.
	(_GLIBCXX_3_4_5_SYMVER): Ditto.

2017-08-20  John David Anglin  <danglin@gcc.gnu.org>

	PR testsuite/81056
	* testsuite/17_intro/names.cc: Undef 'd' and 'r' on __hpux__.

2017-08-18  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/hashtable_policy.h (_ReuseOrAllocNode): Remove
	__value_alloc_type and __value_alloc_traits typedefs.
	(_ReuseOrAllocNode::operator()): Call construct and destroy on the
	node allocator.
	(_Hashtable_alloc): Simplify __value_alloc_traits typedef.
	(_Hashtable_alloc<_NodeAlloc>::_M_allocate_node(_Args&&...)): Call
	construct on the node allocator.
	(_Hashtable_alloc<_NodeAlloc>::_M_deallocate_node(__node_type*)): Call
	destroy on the node allocator.

	PR libstdc++/81891
	* include/bits/hashtable.h (_Hashtable(_InputIterator, _InputIterator,
	size_type, const _H1&, const _H2&, const _Hash&, const _Equal&,
	const _ExtractKey&, const allocator_type&)): Let destructor do clean
	up if an exception is thrown.
	* testsuite/23_containers/unordered_map/cons/81891.cc: New.

2017-08-11  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/81808
	* testsuite/27_io/basic_fstream/53984.cc: Adjust test for targets
	that allow opening a directory as a FILE and reading from it.

2017-08-09  Jonathan Wakely  <jwakely@redhat.com>

	* include/std/type_traits (_GLIBCXX_NO_BUILTIN_HAS_UNIQ_OBJ_REP):
	Replace with _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP and use
	__is_identifier to set it.

2017-08-09  Katsuhiko Nishimra  <ktns.87@gmail.com>

	* include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Use
	__is_identifier instead of __has_builtin.

2017-08-09  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79820
	PR libstdc++/81751
	* config/io/basic_file_stdio.cc (sys_open(FILE*, ios_base::openmode)):
	Call fflush on the stream instead of calling sync() while _M_cfile is
	null. Restore original value of errno.
	* testsuite/ext/stdio_filebuf/char/79820.cc: New.
	* testsuite/ext/stdio_filebuf/char/81751.cc: New.

2017-07-31  Marek Polacek  <polacek@redhat.com>

	PR libstdc++/81599
	* include/bits/stl_stack.h: Fix typo.

2017-07-26  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/27_io/basic_fstream/53984.cc: Fix test.

2017-07-26  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/27_io/basic_fstream/53984.cc: Fix typo in dg-require
	directive.

2017-07-25  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/53984
	* include/bits/basic_ios.h (basic_ios::_M_setstate): Adjust comment.
	* include/bits/istream.tcc (basic_istream::sentry): Handle exceptions
	during construction.
	* include/std/istream: Adjust comments for formatted input functions
	and unformatted input functions.
	* testsuite/27_io/basic_fstream/53984.cc: New.
	* testsuite/27_io/basic_istream/sentry/char/53984.cc: New.

	* include/bits/ios_base.h (ios_base::io_state, ios_base::open_mode)
	(ios_base::seek_dir): Remove for C++17.
	* include/std/streambuf (basic_streambuf::stossc): Remove for C++17.
	Add deprecated attribute for C++11 and C++14.
	* testsuite/27_io/types/1.cc: Don't run for C++17 and later.
	* testsuite/27_io/types/4.cc: New.

2017-07-23  Michael Collison  <michael.collison@arm.com>

	Add optimized implementation of mersenne twister for aarch64
	* config/cpu/aarch64/opt/ext/opt_random.h: New file.
	(__arch64_recursion): New function.
	(__aarch64_lsr_128): New function.
	(__aarch64_lsl_128): New function.
	(operator==): New function.
	(simd_fast_mersenne_twister_engine): Implement
	method _M_gen_rand.
	* config/cpu/aarch64/opt/bits/opt_random.h: New file.
	* include/ext/random: (simd_fast_mersenne_twister_engine):
	add _M_state private array.

2017-07-23  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/81064
	* include/bits/algorithmfwd.h: Reorganize versioned namespace.
	* include/bits/basic_string.h: Likewise.
	* include/bits/c++config: Likewise.
	* include/bits/deque.tcc: Likewise.
	* include/bits/forward_list.h: Likewise.
	* include/bits/forward_list.tcc: Likewise.
	* include/bits/hashtable_policy.h: Likewise.
	* include/bits/list.tcc: Likewise.
	* include/bits/move.h: Likewise.
	* include/bits/quoted_string.h: Likewise.
	* include/bits/random.h: Likewise.
	* include/bits/random.tcc: Likewise.
	* include/bits/regex.h: Likewise.
	* include/bits/regex.tcc: Likewise.
	* include/bits/regex_automaton.h: Likewise.
	* include/bits/regex_automaton.tcc: Likewise.
	* include/bits/regex_compiler.h: Likewise.
	* include/bits/regex_compiler.tcc: Likewise.
	* include/bits/regex_constants.h: Likewise.
	* include/bits/regex_error.h: Likewise.
	* include/bits/regex_executor.h: Likewise.
	* include/bits/regex_executor.tcc: Likewise.
	* include/bits/regex_scanner.h: Likewise.
	* include/bits/regex_scanner.tcc: Likewise.
	* include/bits/specfun.h: Likewise.
	* include/bits/stl_algo.h: Likewise.
	* include/bits/stl_algobase.h: Likewise.
	* include/bits/stl_bvector.h: Likewise.
	* include/bits/stl_deque.h: Likewise.
	* include/bits/stl_iterator.h: Likewise.
	* include/bits/stl_iterator_base_funcs.h: Likewise.
	* include/bits/stl_list.h: Likewise.
	* include/bits/stl_map.h: Likewise.
	* include/bits/stl_multimap.h: Likewise.
	* include/bits/stl_multiset.h: Likewise.
	* include/bits/stl_relops.h: Likewise.
	* include/bits/stl_set.h: Likewise.
	* include/bits/stl_vector.h: Likewise.
	* include/bits/uniform_int_dist.h: Likewise.
	* include/bits/unordered_map.h: Likewise.
	* include/bits/unordered_set.h: Likewise.
	* include/bits/vector.tcc: Likewise.
	* include/c_global/cmath: Likewise.
	* include/c_std/cmath: Likewise.
	* include/decimal/decimal: Likewise.
	* include/decimal/decimal.h: Likewise.
	* include/experimental/algorithm: Likewise.
	* include/experimental/any: Likewise.
	* include/experimental/array: Likewise.
	* include/experimental/bits/erase_if.h: Likewise.
	* include/experimental/bits/fs_dir.h: Likewise.
	* include/experimental/bits/fs_fwd.h: Likewise.
	* include/experimental/bits/fs_ops.h: Likewise.
	* include/experimental/bits/fs_path.h: Likewise.
	* include/experimental/bits/lfts_config.h: Likewise.
	* include/experimental/bits/shared_ptr.h: Likewise.
	* include/experimental/bits/string_view.tcc: Likewise.
	* include/experimental/chrono: Likewise.
	* include/experimental/deque: Likewise.
	* include/experimental/filesystem: Likewise.
	* include/experimental/forward_list: Likewise.
	* include/experimental/functional: Likewise.
	* include/experimental/iterator: Likewise.
	* include/experimental/list: Likewise.
	* include/experimental/map: Likewise.
	* include/experimental/memory: Likewise.
	* include/experimental/memory_resource: Likewise.
	* include/experimental/numeric: Likewise.
	* include/experimental/optional: Likewise.
	* include/experimental/propagate_const: Likewise.
	* include/experimental/random: Likewise.
	* include/experimental/ratio: Likewise.
	* include/experimental/regex: Likewise.
	* include/experimental/set: Likewise.
	* include/experimental/source_location: Likewise.
	* include/experimental/string: Likewise.
	* include/experimental/string_view: Likewise.
	* include/experimental/system_error: Likewise.
	* include/experimental/tuple: Likewise.
	* include/experimental/type_traits: Likewise.
	* include/experimental/unordered_map: Likewise.
	* include/experimental/unordered_set: Likewise.
	* include/experimental/utility: Likewise.
	* include/experimental/vector: Likewise.
	* include/ext/bitmap_allocator.h: Likewise.
	* include/ext/codecvt_specializations.h: Likewise.
	* include/ext/rope: Likewise.
	* include/ext/typelist.h: Likewise.
	* include/std/chrono: Likewise.
	* include/std/complex: Likewise.
	* include/std/functional: Likewise.
	* include/std/numeric: Likewise.
	* include/std/string_view: Likewise.
	* include/std/thread: Likewise.
	* include/std/variant: Likewise.
	* include/tr1/array: Likewise.
	* include/tr1/bessel_function.tcc: Likewise.
	* include/tr1/beta_function.tcc: Likewise.
	* include/tr1/cmath: Likewise.
	* include/tr1/complex: Likewise.
	* include/tr1/ell_integral.tcc: Likewise.
	* include/tr1/exp_integral.tcc: Likewise.
	* include/tr1/functional: Likewise.
	* include/tr1/functional_hash.h: Likewise.
	* include/tr1/gamma.tcc: Likewise.
	* include/tr1/hashtable.h: Likewise.
	* include/tr1/hashtable_policy.h: Likewise.
	* include/tr1/hypergeometric.tcc: Likewise.
	* include/tr1/legendre_function.tcc: Likewise.
	* include/tr1/modified_bessel_func.tcc: Likewise.
	* include/tr1/poly_hermite.tcc: Likewise.
	* include/tr1/poly_laguerre.tcc: Likewise.
	* include/tr1/random.h: Likewise.
	* include/tr1/random.tcc: Likewise.
	* include/tr1/regex: Likewise.
	* include/tr1/riemann_zeta.tcc: Likewise.
	* include/tr1/shared_ptr.h: Likewise.
	* include/tr1/special_function_util.h: Likewise.
	* include/tr1/tuple: Likewise.
	* include/tr1/type_traits: Likewise.
	* include/tr1/unordered_map.h: Likewise.
	* include/tr1/unordered_set.h: Likewise.
	* include/tr1/utility: Likewise.
	* include/tr2/bool_set: Likewise.
	* include/tr2/bool_set.tcc: Likewise.
	* include/tr2/dynamic_bitset: Likewise.
	* include/tr2/dynamic_bitset.tcc: Likewise.
	* include/tr2/ratio: Likewise.
	* include/tr2/type_traits: Likewise.
	* src/c++11/chrono.cc: Likewise.
	* src/c++11/compatibility-c++0x.cc: Likewise.
	* src/c++11/compatibility-chrono.cc: Likewise.
	* src/c++11/cxx11-shim_facets.cc: Likewise.
	* src/c++11/hashtable_c++0x.cc: Likewise.
	* src/c++11/placeholders.cc: Likewise.
	* src/c++11/thread.cc: Likewise.
	* src/c++98/bitmap_allocator.cc: Likewise.
	* src/c++98/hashtable_tr1.cc: Likewise.
	* src/c++98/list.cc: Likewise.
	* src/shared/hashtable-aux.cc: Likewise.
	* testsuite/20_util/duration/literals/range.cc: Adapt line number.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
	* testsuite/20_util/forward/c_neg.cc: Likewise.
	* testsuite/20_util/forward/f_neg.cc: Likewise.
	* testsuite/26_numerics/gcd/gcd_neg.cc: Likewise.
	* testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
	* testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
	* python/libstdcxx/v6/printers.py: Adapt.

2017-07-20  Jonathan Wakely  <jwakely@redhat.com>

	* config/allocator/malloc_allocator_base.h [__SANITIZE_ADDRESS__]
	(_GLIBCXX_SANITIZE_STD_ALLOCATOR): Define.
	* config/allocator/new_allocator_base.h [__SANITIZE_ADDRESS__]
	(_GLIBCXX_SANITIZE_STD_ALLOCATOR): Define.
	* doc/xml/manual/using.xml (_GLIBCXX_SANITIZE_VECTOR): Document macro.
	* include/bits/stl_vector.h [_GLIBCXX_SANITIZE_VECTOR]
	(_Vector_impl::_Asan, _Vector_impl::_Asan::_Reinit)
	(_Vector_impl::_Asan::_Grow, _GLIBCXX_ASAN_ANNOTATE_REINIT)
	(_GLIBCXX_ASAN_ANNOTATE_GROW, _GLIBCXX_ASAN_ANNOTATE_GREW)
	(_GLIBCXX_ASAN_ANNOTATE_SHRINK, _GLIBCXX_ASAN_ANNOTATE_BEFORE_DEALLOC):
	Define annotation helper types and macros.
	(vector::~vector, vector::push_back, vector::pop_back)
	(vector::_M_erase_at_end): Add annotations.
	* include/bits/vector.tcc (vector::reserve, vector::emplace_back)
	(vector::insert, vector::_M_erase, vector::operator=)
	(vector::_M_fill_assign, vector::_M_assign_aux)
	(vector::_M_insert_rval, vector::_M_emplace_aux)
	(vector::_M_insert_aux, vector::_M_realloc_insert)
	(vector::_M_fill_insert, vector::_M_default_append)
	(vector::_M_shrink_to_fit, vector::_M_range_insert): Annotate.

2017-07-19  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/81476
	* include/bits/vector.tcc (vector::_M_range_insert<_InputIterator>):
	Only insert elements one-by-one when inserting at the end.
	* testsuite/performance/23_containers/insert/81476.cc: New.

2017-07-19  Volker Reichelt  <v.reichelt@netcologne.de>

	* libsupc++/new (bad_array_new_length): Remove redundant
	semicolon after in-class member function definition.
	* include/bits/locale_facets.h (ctype_byname, num_put): Likewise.
	* include/bits/locale_facets_nonio.h (time_put_byname): Likewise.
	* include/bits/random.h (mersenne_twister_engine): Likewise.
	* include/tr1/random.h (mersenne_twister): Likewise
	* include/ext/random (simd_fast_mersenne_twister_engine): Likewise.
	* include/ext/rope (char_producer, _Rope_char_consumer,
	_Rope_self_destruct_ptr, _Rope_const_iterator, _Rope_iterator):
	Likewise.
	* include/ext/ropeimpl.h (_Rope_flatten_char_consumer,
	_Rope_insert_char_consumer): Likewise.

2017-07-19  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/fstream.tcc (basic_filebuf::xsgetn)
	(basic_filebuf::xsputn, basic_filebuf::seekoff): Fix indentation.

	* testsuite/util/testsuite_iterators.h: Fix indentation.

	* testsuite/27_io/basic_filebuf/sgetn/char/81395.cc: Add dg-require.

2017-07-18  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/81395
	* include/bits/fstream.tcc (basic_filebuf::xsgetn): Don't set buffer
	pointers for write mode after reading.
	* testsuite/27_io/basic_filebuf/sgetn/char/81395.cc: New.

2017-07-18  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_list.h
	(struct _List_node_header): New.
	(_List_impl()): Fix noexcept qualification.
	(_List_impl(_List_impl&&)): New, default.
	(_List_base()): Default.
	(_List_base(_List_base&&)): Default.
	(_List_base::_M_move_nodes): Adapt to use
	_List_node_header._M_move_nodes.
	(_List_base::_M_init): Likewise.
	(list<>()): Default.
	(list<>(list&&)): Default.
	(list<>::_M_move_assign(list&&, true_type)): Use _M_move_nodes.
	(__distance(_List_const_iterator<>, _List_const_iterator<>,
	input_iterator_tag)): Adapt.
	* testsuite/23_containers/list/allocator/default_init.cc: New.

2017-07-15  Jonathan Wakely  <jwakely@redhat.com>

	* include/std/mutex (scoped_lock): Reorder std::adopt_lock_t parameter
	as per P0739R0.
	* testsuite/30_threads/scoped_lock/cons/1.cc: Reorder arguments.
	* testsuite/30_threads/scoped_lock/cons/deduction.cc: Test deduction
	with std::adopt_lock_t.
	* testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Check
	feature-test macro.

2017-07-14  Jason Merrill  <jason@redhat.com>
	    Jonathan Wakely  <jwakely@redhat.com>

	* include/std/variant (variant::variant(_Tp&&)): Constrain to remove
	the constructor for empty variants from the candidate functions
	during class template argument deduction.
	* testsuite/20_util/variant/deduction.cc: New.

2017-07-11  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/faq.xml: Update several old entries. Improve
	cross-references.
	* doc/xml/manual/intro.xml: Add anchors to each DR.
	* doc/html/*: Regenerate.

2017-07-10  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/abi/pr42230.cc: Add header for std::free.

	PR libstdc++/81381
	* include/bits/sstream.tcc (basic_stringbuf::overflow)
	(basic_stringbuf::basic_stringbuf(const __string_type&, ios::mode))
	(basic_stringbuf::str()): Construct new strings with an allocator.
	* testsuite/27_io/basic_stringbuf/cons/81381.cc: New.

	PR libstdc++/81338
	* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
	Declare basic_stringbuf to be a friend.
	* include/bits/sstream.tcc (basic_stringbuf::overflow)
	[_GLIBCXX_USE_CXX11_ABI]: Use unused capacity before reallocating.
	* include/std/sstream (basic_stringbuf::__xfer_bufptrs): Update string
	length to buffer length.
	* testsuite/27_io/basic_stringstream/assign/81338.cc: New.

2017-07-06  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/20_util/specialized_algorithms/memory_management_tools/
	1.cc: Free memory.
	* testsuite/22_locale/locale/cons/5.cc: Remove redundant restoration
	of original environment and free memory.

	* testsuite/abi/pr42230.cc: Free memory.
	* testsuite/util/testsuite_abi.cc (demangle): Return std::string
	instead of pointer that might need freeing.
	* testsuite/util/testsuite_abi.h (demangle): Likewise.
	* testsuite/util/testsuite_hooks.cc (verify_demangle): Free memory.

	* include/bits/uses_allocator.h (__use_alloc(const _Alloc&&)): Add
	deleted overload to prevent dangling references to rvalues.
	* include/experimental/memory_resource
	(polymorphic_allocator::construct): Do not call __use_alloc with
	rvalue arguments.

2017-06-27  Tim Shen  <timshen@google.com>

	PR libstdc++/80187
	* include/std/variant (variant::variant, variant::~variant,
	variant::operator=): Implement triviality forwarding for four
	special member functions.
	* testsuite/20_util/variant/compile.cc: Tests.

2017-06-27  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/81221
	* testsuite/25_algorithms/sample/81221.cc: Disable except for
	check-parallel.

	PR libstdc++/81221
	* include/bits/stl_algo.h (sample): Qualify with _GLIBCXX_STD_A not
	std.
	* testsuite/25_algorithms/sample/81221.cc: New.

2017-06-22  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/81173
	* include/bits/stl_bvector.h (vector<bool>::_M_initialize_value):
	Do not pass null pointer to memset.

2017-06-21  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/80675
	PR libstdc++/80940
	* include/std/istream:
	(__is_convertible_to_basic_istream_test(basic_istream<_Ch, _Up>*)): New.
	(__do_is_convertible_to_basic_istream_impl): Likewise.
	(__is_convertible_to_basic_istream_impl): Likewise.
	(__is_convertible_to_basic_istream): Use the new base.
	(__rvalue_istream_type): New.
	(operator>>(_Istream&&, _Tp&&)): Use the new helper alias
	for the SFINAE check, convert to the helper alias type before
	doing the actual extraction.
	* include/std/ostream:
	(__is_convertible_to_basic_ostream_test(basic_ostream<_Ch, _Up>*)): New.
	(__do_is_convertible_to_basic_ostream_impl): Likewise.
	(__is_convertible_to_basic_ostream_impl): Likewise.
	(__is_convertible_to_basic_ostream): Use the new base.
	(__rvalue_ostream_type): New.
	(operator<<(_Ostream&&, const _Tp&)): Use the new helper alias
	for the SFINAE check, convert to the helper alias type before
	doing the actual insertion.
	* testsuite/27_io/rvalue_streams-2.cc: Add new tests.

2017-06-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.

2017-06-21  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/81092
	* configure: Regenerate.

2017-06-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.

2017-06-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* testsuite/20_util/variant/index_type.cc: Allow for all ilp32 and
	lp64 targets.

2017-06-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
	* config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
	* config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
	* config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
	* config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
	* config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
	Likewise.
	* config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
	* config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
	Likewise.

2017-06-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR libstdc++/81092
	* config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.

2017-06-18  Andreas Schwab  <schwab@linux-m68k.org>

	PR libstdc++/81092
	* config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.

2017-06-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* testsuite: Remove dg-skip-if, dg-xfail-if, dg-xfail-run-if
	default args.

2017-06-17  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/80893
	* testsuite/23_containers/vector/bool/80893.cc: Add { target c++11 }.

2017-06-16  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/shared_ptr.h (get_deleter): Add overload matching
	standard signature.
	* include/bits/shared_ptr_base.h (__shared_ptr): Declare new
	get_deleter overload as a friend.
	* testsuite/20_util/shared_ptr/misc/get_deleter.cc: New.

2017-06-16  Jakub Jelinek  <jakub@redhat.com>

	PR libstdc++/81092
	* config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.

2017-06-16  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/locale_conv.h (wbuffer_convert::sync): Fix condition.
	* testsuite/22_locale/conversions/buffer/2.cc: New.

	PR libstdc++/81092
	* acinclude.m4: Bump libtool_VERSION.
	* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
	* config/abi/pre/gnu.ver: Add wstring constructor symbols to
	GLIBCXX_3.4.24 version and move random_device::_M_get_entropy() symbol
	to new GLIBCXX_3.4.25 version.
	* doc/xml/manual/abi.xml: Document new versions.
	* doc/html/*: Regenerate.
	* testsuite/21_strings/basic_string/cons/char/8.cc: Use base object
	constructors to ensure required symbols are exported.
	* testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
	* testsuite/util/testsuite_abi.cc: Add new version.

	* include/bits/locale_conv.h (wbuffer_convert::_M_put): Add missing
	return statement.
	* testsuite/21_strings/basic_string_view/operations/copy/char/1.cc:
	Return void.
	* testsuite/21_strings/basic_string_view/operations/copy/wchar_t/1.cc:
	Likewise.
	* testsuite/23_containers/map/modifiers/insert_or_assign/1.cc: Add
	missing return statements.
	* testsuite/23_containers/unordered_map/modifiers/insert_or_assign.cc:
	Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/char/12.cc:
	Return void.
	* testsuite/special_functions/14_expint/pr68397.cc: Likewise.

2017-06-16  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_bvector.h
	(__fill_bvector(_Bit_type*, unsigned int, unsigned int, bool)):
	Change signature.
	(std::fill(_Bit_iterator, _Bit_iterator, bool)): Adapt.
	(_Bvector_impl_data): New.
	(_Bvector_impl): Inherits from latter.
	(_Bvector_impl(_Bit_alloc_type&&)): Delete.
	(_Bvector_impl(_Bvector_impl&&)): New, default.
	(_Bvector_base()): Default.
	(_Bvector_base(_Bvector_base&&)): Default.
	(_Bvector_base::_M_move_data(_Bvector_base&&)): New.
	(vector(vector&&, const allocator_type&)): Use latter.
	(vector<bool>::operator=(vector&&)): Likewise.
	(vector<bool>::vector()): Default.
	(vector<bool>::vector(vector&&)): Default.
	(vector<bool>::assign(_InputIterator, _InputIterator)): Use
	_M_assign_aux.
	(vector<bool>::assign(initializer_list<bool>)): Likewise.
	(vector<bool>::_M_initialize_value(bool)): New.
	(vector<bool>(size_type, const bool&, const allocator_type&)): Use
	latter.
	(vector<bool>::_M_initialize_dispatch(_Integer, _Integer, __true_type)):
	Likewise.
	(vector<bool>::_M_fill_assign(size_t, bool)): Likewise.

2017-06-15  François Dumont  <fdumont@gcc.gnu.org>

	* src/c++98/tree.cc  [!_GLIBCXX_INLINE_VERSION]
	(_Rb_tree_rotate_left, _Rb_tree_rotate_right): Delete.

2017-06-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* testsuite: Add dg-require-effective-target pthread to -pthread
	tests.
	Remove explicit target lists from dg-do and dg-options.

	* testsuite/30_threads/async/forced_unwind.cc: Remove explit
	target list from dg-options.
	* testsuite/30_threads/packaged_task/forced_unwind.cc: Likewise.

	* 30_threads/shared_mutex/cons/1.cc: Likewise.
	Pass -pthread for all targets.
	* 30_threads/shared_mutex/try_lock/1.cc: Likewise.
	* 30_threads/shared_mutex/try_lock/2.cc: Likewise.
	* 30_threads/shared_mutex/unlock/1.cc: Likewise.

	* testsuite/30_threads/this_thread/57060.cc: Require c++11 via
	dg-require-effective-target.

2017-06-14  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/test.xml: Correct instructions on running tests.
	* testsuite/21_strings/basic_string/cons/char/deduction.cc: Adjust to
	pass when -D_GLIBCXX_USE_CXX11_ABI=0 added to RUNTESTFLAGS.
	* testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
	Likewise.
	* testsuite/27_io/basic_ios/copyfmt/char/1.cc: Likewise.
	* testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/char/
	exceptions_failbit.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
	exceptions_failbit.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_other/char/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_other/wchar_t/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
	* testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_other/char/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_other/wchar_t/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/ios_base/storage/2.cc: Likewise.

2017-06-12  Pedro Alves  <palves@redhat.com>

	* doc/xml/manual/status_cxx2017.xml: Update C++17 constexpr
	char_traits status.
	* doc/html/*: Regenerate.

	* include/bits/char_traits.h (_GLIBCXX_ALWAYS_INLINE): Define if
	not already defined.
	(__cpp_lib_constexpr_char_traits): Uncomment.
	(__constant_string_p, __constant_char_array_p): New.
	(std::char_traits<char>, std::char_traits<wchar_t>): Add
	_GLIBCXX17_CONSTEXPR on compare, length and find and use
	__constant_string_p, __constant_char_array_p and
	__builtin_constant_p to defer to __gnu_cxx::char_traits at compile
	time.

	* testsuite/21_strings/char_traits/requirements/
	constexpr_functions_c++17.cc: Uncomment
	__cpp_lib_constexpr_char_traits tests.  Uncomment
	test_compare<char>, test_length<char>, test_find<char>,
	test_compare<wchar_t>, test_length<wchar_t> and test_find<wchar_t>
	static_assert tests.

2017-06-12  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_tree.h (_Rb_tree_impl()): Restore _Node_allocator
	default init.
	* testsuite/util/testsuite_allocator.h
	(__gnu_test::default_init_allocator<>) New.
	* testsuite/23_containers/set/allocator/default_init.cc: New.
	* testsuite/23_containers/map/allocator/default_init.cc: New.

2017-06-12  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/55917
	* src/c++11/thread.cc (execute_native_thread_routine): Remove
	try-block so that exceptions propagate out of the thread and terminate
	is called by the exception-handling runtime.
	(execute_native_thread_routine_compat): Likewise.
	* testsuite/30_threads/thread/cons/terminate.cc: New.

2017-06-09  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/intro.xml: Document LWG 2802, 2873 and 2942 changes.
	* include/bits/shared_ptr.h (shared_ptr): Use rvalues for deleters
	(LWG 2802).
	* include/bits/shared_ptr_base.h (_Sp_ebo_helper, _Sp_counted_deleter
	(_Sp_counted_deleter::_Impl, __shared_count, __shared_ptr): Likewise.
	* testsuite/20_util/shared_ptr/cons/lwg2802.cc: New.

	* include/bits/forward_list.h (forward_list): Add deduction guide.
	* include/bits/stl_deque.h (deque): Likewise.
	* include/bits/stl_list.h (list): Likewise.
	* include/bits/stl_vector.h (vector): Likewise.
	* testsuite/23_containers/deque/cons/deduction.cc: New.
	* testsuite/23_containers/forward_list/cons/deduction.cc: New.
	* testsuite/23_containers/list/cons/deduction.cc: New.
	* testsuite/23_containers/vector/cons/deduction.cc: New.

2017-06-08  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/81017
	* include/bits/std_function.h (function::function(function&&))
	(function::operator=(funtion&&)): Add noexcept.
	* testsuite/20_util/function/assign/move.cc: Check for noexcept.
	* testsuite/20_util/function/cons/move.cc: Likewise.

2017-06-07  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/regex.h (basic_regex): Add deduction guide from P0433.
	* testsuite/28_regex/basic_regex/ctors/deduction.cc: New.

	PR libstdc++/81002
	* include/bits/regex.h (basic_regex): Adjust call to __compile_nfa
	so iterator type is deduced.
	* include/bits/regex_compiler.h (__compile_nfa): Reorder template
	parameters to allow iterator type to be deduced.
	* testsuite/28_regex/basic_regex/ctors/basic/iter.cc: New.

	* include/bits/alloc_traits.h (__is_allocator, _RequireAllocator):
	New trait and alias for detecting Allocator-like types.
	* include/bits/basic_string.h (basic_string): Add deduction guide
	from P0433.
	* include/ext/alloc_traits.h (__gnu_cxx::__alloc_traits): Add template
	parameter with default template argument that causes substitution
	failures for types that cannot be allocators.
	* testsuite/21_strings/basic_string/cons/char/deduction.cc: New.
	* testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc: New.

2017-06-02  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/80939
	* include/std/variant (__erased_ctor, __erased_assign, __erased_swap)
	(__erased_hash): Remove constexpr specifier and qualify calls to
	__ref_cast.
	(__erased_dtor): Remove constexpr specifier and use _Destroy.

2017-06-05  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/stl_iterator_base_funcs.h
	(__advance<_RandomAccessIterator, _Distance>): Optimize for next/prev
	cases where incrementing or decrementing a single step.

	* include/bits/shared_ptr_base.h (__shared_ptr::owner_before)
	(__weak_ptr::owner_before, _Sp_owner_less::operator()): Add noexcept
	specifiers as per LWG 2873 and LWG 2942.
	* testsuite/20_util/owner_less/noexcept.cc: New.
	* testsuite/20_util/shared_ptr/observers/owner_before.cc: Test
	noexcept guarantees.
	* testsuite/20_util/weak_ptr/observers/owner_before.cc: Likewise.

2017-06-03  Andreas Schwab  <schwab@linux-m68k.org>

	* config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.

2017-06-03  Eric Botcazou  <ebotcazou@adacore.com>

	* src/filesystem/dir.cc (fs::_Dir::advance): Use std::exchange.

2017-06-02  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/80624
	* doc/xml/manual/status_cxx2011.xml: Document to_int_type behaviour.
	* include/bits/char_traits.h (char_traits<char16_t>::to_int_type):
	Transform eof value to U+FFFD.
	* testsuite/21_strings/char_traits/requirements/char16_t/eof.cc: New.
	* testsuite/27_io/basic_streambuf/sgetc/char16_t/80624.cc: New.
	* testsuite/27_io/basic_streambuf/sputc/char16_t/80624.cc: New.

	* libsupc++/Makefile.am: Remove custom targets for files that need to
	be compiled as C++11 or C++14.
	* libsupc++/Makefile.in: Regenerate.
	* libsupc++/del_ops.cc: Use pragma to disable -Wsized-deallocation
	warnings.
	* libsupc++/del_opvs.cc: Likewise.

2017-06-02  Richard Biener  <rguenther@suse.de>
	Markus Eisenmann  <meisenmann.lba@fh-salzburg.ac.at>

	PR libstdc++/80721
	* libsupc++/eh_alloc.cc (pool::free): Keep list properly
	sorted and add missing freelist item merging cases.

2017-06-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	(GLIBCXX_CROSSCONFIG): Handle *-solaris* like *-linux* etc.
	Remove *-solaris* section.
	* configure: Regenerate.

2017-05-31  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/80893
	* include/bits/stl_bvector.h (vector<bool>::_M_initialize): Avoid
	null pointer dereference when size is zero.
	* testsuite/23_containers/vector/bool/80893.cc: New.
	* testsuite/util/testsuite_allocator.h (PointerBase::PointerBase):
	Add non-explicit constructor from nullptr.
	(PointerBase::derived() const): Add const-qualified overload.

2017-05-20  Tim Shen  <timshen@google.com>

	PR libstdc++/80737
	* include/std/variant(variant::variant): SFINAE on is_same first.
	* testsuite/20_util/variant/any.cc: test case.

2017-05-24  Jonathan Wakely  <jwakely@redhat.com>

	* src/c++11/random.cc (random_device::_M_getentropy): Use __CHAR_BIT__
	instead of fixed number of bits.

2017-05-24  Andreas Schwab  <schwab@suse.de>

	* config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Likewise.

2017-05-23  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
	    Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/67578
	* acinclude.m4: Bump libtool_VERSION.
	* config/abi/pre/gnu.ver: Create GLIBCXX_3.4.24 with new symbol.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Add test for <linux/random.h>.
	* doc/xml/manual/abi.xml: Document new library version.
	* include/bits/random.h (random_device::entropy)
	[_GLIBCXX_USE_RANDOM_TR1]: Add call to new _M_getentropy member.
	(random_device::_M_getentropy): Declare.
	* src/c++11/random.cc (random_device::_M_getentropy): Define.
	* testsuite/util/testsuite_abi.cc: Add GLIBCXX_3.4.24 to known
	versions, and make it the latest version.

2017-05-23  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>

	PR libstdc++/67214
	* include/bits/locale_facets.tcc (num_get::_M_extract_int): Add
	explicit conversion to avoid signed overflow.

2017-05-19  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/80796
	* include/bits/stl_algo.h (search): Add new overload for C++17.
	* testsuite/25_algorithms/search/searcher.cc: New.

2017-05-18  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/80478
	* include/std/functional (_Mem_fn_traits_base): Add specializations
	for noexcept member function types.
	* testsuite/20_util/function_objects/mem_fn/80478.cc: New test.

2017-05-18  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/policy_data_structures.xml: Fix typo.
	* doc/xml/manual/test_policy_data_structures.xml: Likewise.
	* doc/html/*: Regenerate.

	* doc/xml/manual/abi.xml: Document latest library versions.
	* doc/xml/manual/build_hacking.xml: Document requirement to update
	abi.xml when bumping library versions.
	* doc/html/*: Regenerate.

2017-05-17  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/refwrap.h: Fix Doxygen warning.
	* include/bits/specfun.h: Likewise.
	* include/bits/std_function.h: Likewise.
	* include/bits/stl_algo.h (set_union, set_intersection)
	(set_difference, set_symmetric_difference): Add Doxygen @param tags
	for output iterator parameters.
	* include/bits/stl_iterator.h (inserter): Add Doxygen @param tag for
	iterator parameter.
	* include/std/mutex (try_lock, lock): Change Mutex to Lockable in
	Doxygen comments.

2017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement new C++ intrinsics __is_assignable and __is_constructible.
	* include/std/type_traits (__do_is_static_castable_impl): Remove.
	(__is_static_castable_impl, __is_static_castable_safe): Likewise.
	(__is_static_castable, __do_is_direct_constructible_impl): Likewise.
	(__is_direct_constructible_impl): Likewise.
	(__is_direct_constructible_new_safe): Likewise.
	(__is_base_to_derived_ref, __is_lvalue_to_rvalue_ref): Likewise.
	(__is_direct_constructible_ref_cast): Likewise.
	(__is_direct_constructible_new, __is_direct_constructible): Likewise.
	(__do_is_nary_constructible_impl): Likewise.
	(__is_nary_constructible_impl, __is_nary_constructible): Likewise.
	(__is_constructible_impl): Likewise.
	(is_constructible): Call the intrinsic.
	(__is_assignable_helper): Remove.
	(is_assignable): Call the intrinsic.
	(is_trivially_constructible): Likewise.
	(__is_trivially_copy_constructible_impl): New.
	(is_trivially_copy_constructible): Use it.
	(__is_trivially_move_constructible_impl): New.
	(is_trivially_move_constructible): Use it.
	(is_trivially_assignable): Call the intrinsic.
	(__is_trivially_copy_assignable_impl): New.
	(is_trivially_copy_assignable): Use it.
	(__is_trivially_move_assignable_impl): New.
	(is_trivially_move_assignable): Use it.
	(testsuite/20_util/declval/requirements/1_neg.cc): Adjust.
	(testsuite/20_util/is_trivially_copy_assignable/value.cc):
	Add test for void.
	(testsuite/20_util/is_trivially_copy_constructible/value.cc): Likewise.
	(testsuite/20_util/is_trivially_move_assignable/value.cc): Likewise.
	(testsuite/20_util/is_trivially_move_constructible/value.cc): Likewise.
	(testsuite/20_util/make_signed/requirements/typedefs_neg.cc): Adjust.
	(testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc):
	Likewise.

2017-05-16  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/experimental/source_location/1.cc: Change expected result
	for source_location::current() used in default member initializer.

	* doc/xml/manual/status_cxx2017.xml: Update status table.
	* doc/html/*: Regenerate.
	* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/experimental/source_location: New header implementing N4519.
	* testsuite/experimental/source_location/1.cc: New test.

	PR libstdc++/80285
	* include/bits/shared_ptr_base.h [!__cpp_rtti] (type_info): Declare
	outside versioned namespace.

	* configure: Regenerate.

2017-05-16  Marc Glisse  <marc.glisse@inria.fr>

	* include/std/optional (_Optional_base::_M_get): Check precondition.
	* testsuite/20_util/optional/cons/value_neg.cc: Update line numbers.

2017-05-16  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/appendix_contributing.xml: Link to test docs and
	note higher DejaGnu version requirement.
	* doc/html/*: Regenerate.

	* doc/xml/manual/appendix_contributing.xml: Link to the list of bad
	identifiers.
	* doc/html/*: Regenerate.

2017-05-15  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/80761
	* include/bits/node_handle.h (_Node_insert_return): Reorder members.
	(tuple_size, tuple_element): Remove partial specializations.
	* include/bits/stl_tree.h (_Rb_tree::insert_return_type): Use
	const_iterator for std::set.
	* testsuite/23_containers/map/modifiers/extract.cc: New.
	* testsuite/23_containers/set/modifiers/extract.cc: New.
	* testsuite/23_containers/unordered_map/modifiers/extract.cc: New.
	* testsuite/23_containers/unordered_set/modifiers/extract.cc: New.

2017-05-12  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/78939
	* include/std/utility (tuple_size<cv T>): Only define partial
	specializations when tuple_size<T>::value is valid.
	* testsuite/20_util/tuple/78939.cc: New.
	* testsuite/20_util/tuple/cv_tuple_size_neg.cc: New.

2017-05-11  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_tree.h [_GLIBCXX_INLINE_VERSION]
	(_Rb_tree_impl<>): Remove _Is_pod_comparator
	template parameter.

	* include/debug/formatter.h [_GLIBCXX_INLINE_VERSION]
	(__gnu_debug::_Error_formatter::_Parameter::_M_print_field): Remove.
	(__gnu_debug::_Error_formatter::_Parameter::_M_print_description):
	Remove.
	(__gnu_debug::_Error_formatter::_M_format_word): Remove.
	(__gnu_debug::_Error_formatter::_M_print_word): Remove.
	(__gnu_debug::_Error_formatter::_M_print_string): Remove.
	(__gnu_debug::_Error_formatter::_M_get_max_length): Remove.
	* src/c++11/debug.cc: Adapt.
	* config/abi/pre/gnu-versioned-namespace.ver: Adapt.

2017-05-11  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/allocator.xml: Fix ViewCVS URLs.
	* doc/xml/manual/mt_allocator.xml: Likewise.
	* doc/html/*: Regenerate.

	PR libstdc++/80285
	* include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Define
	function to get unique fake std::type_info reference.
	(_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Compare to
	_S_ti() fake reference.
	(__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Share
	single implementation with or without RTTI enable.
	[!__cpp_rtti]: Pass fake reference to _M_get_deleter.
	* testsuite/20_util/shared_ptr/creation/alloc.cc: Change expected
	allocation and deallocation counts.
	* testsuite/20_util/shared_ptr/creation/single_allocation.cc: New.
	* testsuite/20_util/shared_ptr/creation/single_allocation_no_rtti.cc:
	New.

2017-05-10  François Dumont  <fdumont@gcc.gnu.org>

	Bump version namespace.
	* config/abi/pre/gnu-versioned-namespace.ver: Bump version namespace
	from __7 to __8. Bump GLIBCXX_7.0 to GLIBCXX_8.0.
	* acinclude.m4 (libtool_VERSION): Bump to 8:0:0.
	* include/bits/c++config: Adapt.
	* include/bits/regex.h: Adapt.
	* include/experimental/bits/fs_fwd.h: Adapt.
	* include/experimental/bits/lfts_config.h: Adapt.
	* include/std/variant: Adapt.
	* python/libstdcxx/v6/printers.py: Adapt.
	* testsuite/libstdc++-prettyprinters/48362.cc: Adapt.

	* include/bits/stl_algobase.h (std::__iter_swap<false>): Remove
	_GLIBCXX_MOVE usage.

2017-05-09  Jason Merrill  <jason@redhat.com>

	* testsuite/24_iterators/container_access.cc (test03): Make il3 static.

2017-05-08  Jonathan Wakely  <jwakely@redhat.com>

	* include/std/optional: Use a separate static_assert per condition.
	* testsuite/20_util/optional/cons/value_neg.cc: Update dg-error line
	numbers.

	* doc/xml/manual/mt_allocator.xml: Clarify deallocation behaviour.
	* doc/html/*: Regenerate.

2017-05-02  Hugo Beauzée-Luyssen <hugo@beauzee.fr>

	PR libstdc++/69506
	* config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_WEAK_REF): Define.

2017-04-29  François Dumont  <fdumont@gcc.gnu.org>

	* testsuite/libstdc++-prettyprinters/48362.cc: Replace a regexp-test
	by a note-test.

2017-04-28  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/80553
	* include/bits/stl_construct.h (_Destroy, _Destroy_n): Add static
	assertions to ensure type is destructible.
	(destroy_at, destroy, destroy_n): Move from stl_uninitialized.h.
	* include/bits/stl_uninitialized.h (destroy_at, destroy, destroy_n):
	Move to stl_construct.h.
	* testsuite/20_util/specialized_algorithms/memory_management_tools/
	destroy_neg.cc: New test.
	* testsuite/23_containers/vector/cons/destructible_neg.cc: New test.

	* testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc: Remove
	superfluous "" in dg-error.

2017-04-28  Tom de Vries  <tom@codesourcery.com>

	* testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc: Remove
	superfluous '{ target *-*-* }' in dg-(error|warning|message|bogus).

2017-04-27  Jonathan Wakely  <jwakely@redhat.com>

	* include/ext/pb_ds/detail/list_update_map_/iterators_fn_imps.hpp
	(PB_DS_CLASS_C_DEC::end()): Remove redundant const in cast type.
	* testsuite/util/testsuite_rng.h (twister_rand_gen::get_prob()):
	Likewise.

2017-04-26  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/23_containers/deque/allocator/move_assign-2.cc: Improve
	comment. Ensure first test works because allocator type propagates and
	not because is_always_equal is true.
	* testsuite/23_containers/vector/52591.cc: Likewise. Restore original
	testcase that instantiates the move-assignment operator.

2017-04-24  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/80506
	* include/bits/random.tcc (gamma_distribution::operator()): Fix magic
	number used in loop condition.

	PR libstdc++/80504
	* include/bits/refwrap.h (ref, cref): Qualify calls.
	* testsuite/20_util/reference_wrapper/80504.cc: New test.

	PR libstdc++/80493
	* include/experimental/optional (optional::swap): Fix exception
	specification.

2017-04-21  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/80316
	* include/std/future (_State_baseV2::_Setter::operator()): Remove
	_S_check calls that are done after the pointer to the shared state is
	already dereferenced.
	(_State_baseV2::_Setter<_Res, void>): Define specialization for void
	as partial specialization so it can be defined within the definition
	of _State_baseV2.
	(_State_baseV2::__setter): Call _S_check.
	(_State_baseV2::__setter(promise<void>*)): Add overload for use by
	promise<void>::set_value and promise<void>::set_value_at_thread_exit.
	(promise<T>, promise<T&>, promise<void>): Make _State a friend.
	(_State_baseV2::_Setter<void, void>): Remove explicit specialization.
	(promise<void>::set_value, promise<void>::set_value_at_thread_exit):
	Use new __setter overload.
	* testsuite/30_threads/promise/members/at_thread_exit2.cc: New test.
	* testsuite/30_threads/promise/members/set_exception.cc: Test
	promise<T&> and promise<void> specializations.
	* testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
	Test for no_state error condition.
	* testsuite/30_threads/promise/members/set_value2.cc: Likewise.

	* include/backward/auto_ptr.h: Ignore deprecated warnings from use
	of auto_ptr.
	* include/bits/shared_ptr.h: Likewise.
	* include/bits/shared_ptr_base.h: Likewise.
	* include/bits/unique_ptr.h: Likewise.
	* libstdc++-v3/testsuite/20_util/default_delete/48631_neg.cc: Adjust
	dg-error lineno.
	* libstdc++-v3/testsuite/20_util/default_delete/void_neg.cc: Likewise.
	* libstdc++-v3/testsuite/20_util/unique_ptr/assign/48635_neg.cc:
	Likewise.
	* libstdc++-v3/testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc:
	Likewise.

2017-04-20  Edward Smith-Rowland  <3dw4rd@verizon.net>

	PR libstdc++/68397 std::tr1::expint fails ... long double arguments.
	* include/tr1/exp_integral.tcc: Increase iteration limits.
	* testsuite/tr1/5_numerical_facilities/special_functions/15_expint/
	pr68397.cc: New test.
	* testsuite/special_functions/14_expint/pr68397.cc: New test.

2017-04-20  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79862
	* include/std/atomic [!_GLIBCXX_USE_C99_STDINT_TR1] (atomic_int8_t)
	(atomic_uint8_t, atomic_int16_t, atomic_uint16_t, atomic_int32_t,
	(atomic_uint32_t, atomic_int64_t, atomic_uint64_t)
	(atomic_int_least8_t, atomic_uint_least8_t, atomic_int_least16_t)
	(atomic_uint_least16_t, atomic_int_least32_t, atomic_uint_least32_t)
	(atomic_int_least64_t, atomic_uint_least64_t, atomic_int_fast8_t)
	(atomic_uint_fast8_t, atomic_int_fast16_t, atomic_uint_fast16_t)
	(atomic_int_fast32_t, atomic_uint_fast32_t, atomic_int_fast64_t)
	(atomic_uint_fast64_t, atomic_intmax_t, atomic_uintmax_t): Don't
	define.

2017-04-19  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/abi.xml: Rephrase one of the references to the
	Itanium C++ ABI.
	* doc/xml/manual/test.xml: Document DejaGnu 1.5.3 requirement.
	* doc/html/*: Regenerate.

	* libsupc++/new: Update comment on #endif directive.

	PR libstdc++/80448
	* include/experimental/bits/fs_dir.h (directory_iterator)
	(recursive_directory_iterator): Remove noexcept from defaulted
	constructors.

	PR libstdc++/80446
	* include/std/type_traits (is_aggregate): Change __has_builtin checks.
	* libsupc++/new (launder): Likewise.

2017-04-18  Jonathan Wakely  <jwakely@redhat.com>

	* include/std/functional (default_searcher, __boyer_moore_array_base)
	(__is_std_equal_to, __boyer_moore_base_t, boyer_moore_searcher)
	(boyer_moore_horspool_searcher): Remove redundant namespace
	qualification.
	(default_searcher::operator()): Construct return value early and
	advance second member in-place.
	(boyer_moore_horspool_searcher::operator()): Increment random access
	iterator directly instead of using std::next.
	(boyer_moore_searcher::operator()): Fix return value.
	* testsuite/20_util/function_objects/searchers.cc: Check both parts
	of return values.

2017-04-12  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/faq.xml: Update reference link to C++ ABI for Itanium.
	* doc/xml/manual/abi.xml. Ditto (thrice).

2017-04-03  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/status_cxx2017.xml: Remove duplicate table entry.
	* doc/html/*: Regenerate.

	* testsuite/20_util/reference_wrapper/invoke.cc: Uncomment tests
	that no longer fail.

	* include/bits/ios_base.h: Correct comment.
	* testsuite/util/testsuite_hooks.h: Likewise.

	* doc/xml/manual/status_cxx2017.xml: Update C++17 status table.
	* doc/xml/manual/appendix_contributing.xml (contrib.organization): Add
	directories for debug, parallel and profile headers.
	* doc/html/*: Regenerate.

	* include/bits/char_traits.h (__gnu_cxx::char_traits): Add
	_GLIBCXX14_CONSTEXPR on assign, compare, find, and length.
	(std::char_traits<char>, std::char_traits<wchar_t>): Add
	_GLIBCXX17_CONSTEXPR on assign.
	(std::char_traits<char16_t>, std::char_traits<char32_t>): Add
	_GLIBCXX17_CONSTEXPR on assign, compare, find, and length.
	* testsuite/21_strings/char_traits/requirements/
	constexpr_functions_c++17.cc: New test.

2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/79141
	* include/bits/stl_pair.h (__nonesuch_no_braces): New.
	(operator=(typename conditional<
	__and_<is_copy_assignable<_T1>,
	is_copy_assignable<_T2>>::value,
	const pair&, const __nonesuch&>::type)): Change __nonesuch
	to __nonesuch_no_braces.
	(operator=(typename conditional<
	__not_<__and_<is_copy_assignable<_T1>,
	is_copy_assignable<_T2>>>::value,
	const pair&, const __nonesuch&>::type)): Likewise.
	(operator=(typename conditional<
	__and_<is_move_assignable<_T1>,
	is_move_assignable<_T2>>::value,
	pair&&, __nonesuch&&>::type)): Likewise.
	* testsuite/20_util/pair/79141.cc: New.

2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement std::is_aggregate.
	* include/std/type_traits (is_aggregate, is_aggregate_v): New.
	* testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
	New.
	* testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
	* testsuite/20_util/is_aggregate/value.cc: Likewise.

2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Adjust optional's pretty printer for LWG 2900.
	* python/libstdcxx/v6/printers.py (StdExpOptionalPrinter.__init__):
	Look at the nested payload in case of non-experimental optional.

2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement LWG 2900, The copy and move constructors
	of optional are not constexpr.
	* include/std/optional (_Optional_payload): New.
	(_Optional_base): Remove the bool parameter.
	(_Optional_base<_Tp, false>): Remove.
	(_Optional_base()): Adjust.
	(_Optional_base(nullopt_t)): Likewise.
	(_Optional_base(in_place_t, _Args&&...)): Likewise.
	(_Optional_base(in_place_t, initializer_list<_Up>, _Args&&...)):
	Likewise.
	(_Optional_base(const _Optional_base&)): Likewise.
	(_Optional_base(_Optional_base&&)): Likewise.
	(operator=(const _Optional_base&)): Likewise.
	(operator=(_Optional_base&&)): Likewise.
	(~_Optional_base()): Remove.
	(_M_is_engaged()): Adjust.
	(_M_get()): Likewise.
	(_M_construct(_Args&&...)): Likewise.
	(_M_destruct()): Likewise.
	(_M_reset()): Likewise.
	(_Optional_base::_Empty_byte): Remove.
	(_Optional_base::_M_empty): Remove.
	(_Optional_base::_M_payload): Adjust.
	* testsuite/20_util/optional/cons/value_neg.cc: Adjust.
	* testsuite/20_util/optional/constexpr/cons/value.cc: Add tests.

2017-03-28  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/80137
	* include/bits/random.tcc (generate_canonical): Use std::nextafter
	or numeric_limits::epsilon() to reduce out-of-range values.
	* testsuite/26_numerics/random/uniform_real_distribution/operators/
	64351.cc: Verify complexity requirement is met.

	* doc/xml/manual/abi.xml: Add xml:id anchor.
	* doc/xml/manual/using.xml (manual.intro.using.macros): Document
	_GLIBCXX_RELEASE. Link to new anchor for __GLIBCXX__ notes.
	(concurrency.io.structure): Add markup.
	* doc/html/*: Regenerate.

	PR libstdc++/80229
	* include/bits/shared_ptr_base.h
	(__shared_ptr::_M_enable_shared_from_this_with): Change parameters to
	non-const and then use remove_cv to get unqualified type.
	* testsuite/20_util/enable_shared_from_this/members/const.cc: Don't
	cast away constness on object created const.
	* testsuite/20_util/shared_ptr/cons/80229.cc: New test.

2017-03-26  Markus Trippelsdorf  <markus@trippelsdorf.de>

	PR libstdc++/80183
	* include/bits/stl_tree.h:
	(_Rb_tree_header::_M_move_data(_Rb_tree_header&)): Also save _M_color.

2017-03-23  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/23_containers/array/tuple_interface/
	tuple_element_debug_neg.cc: Adjust dg-error.
	* testsuite/23_containers/list/operations/78389.cc: Fix less-than to
	define a valid strict weak ordering.
	* testsuite/23_containers/priority_queue/67085.cc: Disable test for
	Debug Mode, due to debug checks making extra copies of predicate.
	* testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
	Likewise.

	* doc/xml/faq.xml: Add link.
	* doc/xml/manual/backwards_compatibility.xml: Remove outdated
	information on pre-ISO headers. Replace broken link to C++ FAQ Lite.
	* doc/xml/manual/io.xml: Update broken link.
	* doc/html/*: Regenerate.

2017-03-23  Daniel Kruegler  <daniel.kruegler@gmail.com>

	Implement LWG 2686, Why is std::hash specialized for error_code,
	but not error_condition?
	* include/std/system_error (hash<error_condition>): Define for C++17.
	* testsuite/20_util/hash/operators/size_t.cc (hash<error_condition>):
	Instantiate test for error_condition.
	* testsuite/20_util/hash/requirements/explicit_instantiation.cc
	(hash<error_condition>): Instantiate hash<error_condition>.

	* include/bits/c++config (_GLIBCXX17_INLINE): Define.
	* include/bits/regex_constants.h (All std::regex_constants constants):
	Add _GLIBCXX17_INLINE as per P0607R0.
	* include/bits/std_mutex.h (defer_lock, try_to_lock, adopt_lock):
	Likewise.
	* include/bits/stl_pair.h (piecewise_construct): Likewise.
	* include/bits/uses_allocator.h (allocator_arg, uses_allocator_v)
	(__is_uses_allocator_constructible_v)
	(__is_nothrow_uses_allocator_constructible_v): Likewise.
	* include/std/chrono (treat_as_floating_point_v): Likewise.
	* include/std/functional (is_bind_expression_v, is_placeholder_v):
	Likewise.
	* include/std/optional (nullopt): Likewise.
	* include/std/ratio (ratio_equal_v, ratio_not_equal_v, ratio_less_v)
	ratio_less_equal_v, ratio_greater_v, ratio_greater_equal_v): Likewise.
	* include/std/system_error (is_error_code_enum_v)
	(is_error_condition_enum_v): Likewise.
	* include/std/tuple (tuple_size_v, ignore): Likewise.
	(ignore): Declare ignore constexpr as per LWG 2773, declare assignment
	constexpr as per LWG 2933.
	* include/std/type_traits (All variable templates): Add
	_GLIBCXX17_INLINE as per P0607R0.
	* include/std/variant (variant_size_v, variant_npos, __index_of_v)
	(__tuple_count_v, __exactly_once): Likewise.
	* testsuite/18_support/headers/new/synopsis.cc
	(hardware_destructive_interference_size)
	(hardware_constructive_interference_size): Likewise for commented-out
	variables.
	* testsuite/20_util/tuple/creation_functions/constexpr.cc: Add new
	test function for constexpr std::ignore (LWG 2773).
	* testsuite/20_util/tuple/creation_functions/constexpr_cpp14.cc: New
	test for LWG 2933.

2017-03-22  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/shared_ptr.h (shared_ptr, weak_ptr): Add deduction
	guides for C++17.
	* include/bits/std_function.h (function): Likewise.
	* include/bits/stl_pair.h (pair): Likewise.
	* include/debug/array (__gnu_debug::array): Likewise.
	* include/std/array (array): Likewise.
	* include/std/functional (make_default_searcher)
	(make_boyer_moore_searcher, make_boyer_moore_horspool_searcher):
	Remove generator functions.
	* include/std/tuple (tuple): Add deduction guides.
	* include/std/valarray (valarray): Likewise.
	* testsuite/20_util/function_objects/searchers.cc: Adjust to use
	class template argument deduction instead of generator functions.
	* testsuite/20_util/function/cons/deduction.cc: New test.
	* testsuite/20_util/optional/cons/deduction_guide.cc: Rename to ...
	* testsuite/20_util/optional/cons/deduction.cc: ... here.
	* testsuite/20_util/pair/cons/deduction.cc: New test.
	* testsuite/20_util/shared_ptr/cons/deduction.cc: New test.
	* testsuite/20_util/tuple/cons/deduction.cc: New test.
	* testsuite/20_util/tuple/element_access/get_neg.cc: Adjust dg-error.
	* testsuite/20_util/unique_ptr/cons/deduction_neg.cc: New test.
	* testsuite/20_util/weak_ptr/cons/deduction.cc: New test.
	* testsuite/23_containers/array/cons/deduction.cc: New test.
	* testsuite/23_containers/array/cons/deduction_neg.cc: New test.
	* testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
	Adjust dg-error.
	* testsuite/23_containers/array/tuple_interface/get_neg.cc: Likewise.
	* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
	Likewise.
	* testsuite/26_numerics/valarray/deduction.cc: New test.
	* testsuite/30_threads/lock_guard/cons/deduction.cc: New test.
	* testsuite/30_threads/scoped_lock/cons/deduction.cc: New test.
	* testsuite/30_threads/unique_lock/cons/deduction.cc: New test.

2017-03-20  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_deque.h (deque): Access allocator value_type only if
	concept checks are enabled.
	* include/bits/stl_stack.h (stack): Likewise.
	* include/bits/stl_vector.h (vector): Likewise.
	* include/bits/stl_list.h (list): Likewise and check
	_SGIAssignableConcept only in C++03.
	* include/bits/stl_map.h (map): Likewise.
	* include/bits/stl_set.h (set): Likewise.
	* include/bits/stl_multimap.h (multimap): Likewise.
	* include/bits/stl_multiset.h (multiset): Likewise.
	* include/bits/stl_queue.h (queue, priority_queue): Likewise.

2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/appendix_contributing.xml: Convert link to
	ansi.org to https.
	Update link to the C++ standard at ansi.org.

	* doc/xml/faq.xml: Remove information redundant with the above;
	instead add a reference.

2017-03-17  Jonathan Wakely  <jwakely@redhat.com>

	* src/c++11/codecvt.cc (range): Add non-type template parameter and
	define oerloaded operators for reading and writing code units.
	(range<Elem, false>): Define partial specialization for accessing
	wide characters in potentially unaligned byte ranges.
	(ucs2_span(const char16_t*, const char16_t*, ...))
	(ucs4_span(const char16_t*, const char16_t*, ...)): Change parameters
	to range<const char16_t, false> in order to avoid unaligned reads.
	(__codecvt_utf16_base<char16_t>::do_out)
	(__codecvt_utf16_base<char32_t>::do_out)
	(__codecvt_utf16_base<wchar_t>::do_out): Use range specialization for
	unaligned data to avoid unaligned writes.
	(__codecvt_utf16_base<char16_t>::do_in)
	(__codecvt_utf16_base<char32_t>::do_in)
	(__codecvt_utf16_base<wchar_t>::do_in): Likewise for writes. Return
	error if there are unprocessable trailing bytes.
	(__codecvt_utf16_base<char16_t>::do_length)
	(__codecvt_utf16_base<char32_t>::do_length)
	(__codecvt_utf16_base<wchar_t>::do_length): Pass arguments of type
	range<const char16_t, false> to span functions.
	* testsuite/22_locale/codecvt/codecvt_utf16/misaligned.cc: New test.

2017-03-16  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79980
	* src/c++11/codecvt.cc (to_integer(codecvt_mode)): Fix target type.

	PR libstdc++/80041
	* src/c++11/codecvt.cc (__codecvt_utf16_base<wchar_t>::do_out)
	(__codecvt_utf16_base<wchar_t>::do_in): Convert char arguments to
	char16_t to work with UTF-16 instead of UTF-8.
	* testsuite/22_locale/codecvt/codecvt_utf16/80041.cc: New test.

	* src/c++11/codecvt.cc (codecvt<char16_t, char, mbstate_t>)
	(codecvt<char32_t, char, mbstate_t>, __codecvt_utf8_base<char16_t>)
	(__codecvt_utf8_base<char32_t>, __codecvt_utf8_base<wchar_t>)
	(__codecvt_utf16_base<char16_t>, __codecvt_utf16_base<char32_t>)
	(__codecvt_utf16_base<wchar_t>, __codecvt_utf8_utf16_base<char16_t>)
	(__codecvt_utf8_utf16_base<char32_t>)
	(__codecvt_utf8_utf16_base<wchar_t>): Fix do_encoding() and
	do_max_length() return values.
	* testsuite/22_locale/codecvt/codecvt_utf16/members.cc: New test.
	* testsuite/22_locale/codecvt/codecvt_utf8/members.cc: New test.
	* testsuite/22_locale/codecvt/codecvt_utf8_utf16/members.cc: New test.

	PR libstdc++/79980
	* include/bits/locale_conv.h (__do_str_codecvt): Set __count on
	error path.
	* src/c++11/codecvt.cc (operator&=, operator|=, operator~): Overloads
	for manipulating codecvt_mode values.
	(read_utf16_bom): Compare input to BOM constants instead of integral
	constants that depend on endianness.  Take mode parameter by
	reference and adjust it, to distinguish between no BOM present and
	UTF-16BE BOM present.
	(ucs4_in, ucs2_span, ucs4_span): Adjust calls to read_utf16_bom.
	(surrogates): New enumeration type.
	(utf16_in, utf16_out): Add surrogates parameter to choose between
	UTF-16 and UCS2 behaviour.
	(utf16_span, ucs2_span): Use std::min not std::max.
	(ucs2_out): Use std::min not std::max.  Disallow surrogate pairs.
	(ucs2_in): Likewise. Adjust calls to read_utf16_bom.
	* testsuite/22_locale/codecvt/codecvt_utf16/79980.cc: New test.
	* testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: New test.

	PR libstdc++/79511
	* src/c++11/codecvt.cc (write_utf16_code_point): Don't write 0xffff
	as a surrogate pair.
	(__codecvt_utf8_utf16_base<char32_t>::do_in): Use native endianness
	for internal representation.
	(__codecvt_utf8_utf16_base<wchar_t>::do_in): Likewise.
	* testsuite/22_locale/codecvt/codecvt_utf8_utf16/79511.cc: New test.

	PR libstdc++/80064
	* include/bits/stl_heap.h (__is_heap, push_heap, __adjust_heap)
	(pop_heap, make_heap, sort_heap, is_heap_until, is_heap): Cope with
	invalid instantiations using function types for _Compare argument.
	* testsuite/25_algorithms/make_heap/80064.cc: New test.

	PR libstdc++/67440
	* python/libstdcxx/v6/printers.py (find_type): Avoid gdb.Type.name
	for GDB 7.6 compatibility, use gdb.Type.unqualified instead.

2017-03-15  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement LWG 2857, {variant,optional,any}::emplace should
	return the constructed value.
	* include/std/any (emplace(_Args&&...)): Change the return type and
	return a reference to the constructed value.
	(emplace(initializer_list<_Up>, _Args&&...)): Likewise.
	* include/std/optional (emplace(_Args&&...)): Likewise.
	(emplace(initializer_list<_Up>, _Args&&...)): Likewise.
	* include/std/variant (emplace<_Tp>(_Args&&...)): Likewise.
	(emplace<_Tp>(initializer_list<_Up>, _Args&&...)): Likewise.
	(emplace<_Np>(_Args&&...)): Likewise.
	(emplace<_Np>(initializer_list<_Up>, _Args&&...)): Likewise.
	* testsuite/20_util/any/assign/emplace.cc: Add tests for
	checking the return value of emplace.
	* testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
	* testsuite/20_util/optional/assignment/6.cc: Add tests for
	checking the return value of emplace.
	* testsuite/20_util/variant/run.cc: Likewise.

2017-03-15  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>

	PR libstdc++/62045
	* include/ext/pb_ds/qdetail/binary_heap_/binary_heap_.hpp
	(is_heap): Remove.
	(push_heap): Remove the wrong checking using is_heap.
	(make_heap): Remove the assertion using is_heap.
	* include/ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp
	(modify): Ditto.
	(resize_for_insert_if_needed): Add PB_DS_ASSERT_VALID after
	calling make_heap.

2017-03-15  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/62045
	* testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
	New test.
	* testsuite/ext/pb_ds/regression/priority_queues.cc: Fix copy&paste
	error in comment.

2017-03-15  Jonathan Wakely  <jwakely@redhat.com>

	* acinclude.m4 (GLIBCXX_CHECK_S_ISREG_OR_S_IFREG): Fix typo in
	comment.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* doc/Makefile.in: Regenerate.

2017-03-14  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79162
	* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
	(basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Replace
	with a constrained template.
	[!_GLIBCXX_USE_CXX11_ABI]
	(basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Likewise.
	* testsuite/21_strings/basic_string/cons/char/79162.cc: New test.
	* testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: New test.

2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/80034
	* include/bits/list.tcc (merge(list&&)): Use const for the size_t
	in the catch-block.
	(merge(list&&, _StrictWeakOrdering)): Likewise.
	* testsuite/23_containers/list/operations/80034.cc: New.

2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement LWG 2806, Base class of bad_optional_access.
	* include/std/optional (bad_optional_access):
	Derive from std::exception.
	(bad_optional_access::bad_optional_access): Adjust.
	(bad_optional_access::what): New.
	(__throw_bad_optional_access(const char*)):
	Remove the parameter and adjust calls.
	* testsuite/20_util/optional/cons/value_neg.cc: Adjust.
	* testsuite/20_util/optional/typedefs.cc: Likewise.

2017-03-12  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement LWG 2934, optional<const T> doesn't compare with T.
	* include/std/optional
	(operator==(const optional<_Tp>&, const optional<_Tp>&)):
	Turn into operator==(const optional<_Tp>&, const optional<_Up>&).
	(operator!=(const optional<_Tp>&, const optional<_Tp>&)):
	Turn into operator!=(const optional<_Tp>&, const optional<_Up>&).
	(operator<(const optional<_Tp>&, const optional<_Tp>&)):
	Turn into operator<(const optional<_Tp>&, const optional<_Up>&.
	(operator>(const optional<_Tp>&, const optional<_Tp>&)):
	Turn into operator>(const optional<_Tp>&, const optional<_Up>&.
	(operator<=(const optional<_Tp>&, const optional<_Tp>&)):
	Turn into operator<=(const optional<_Tp>&, const optional<_Up>&).
	(operator>=(const optional<_Tp>&, const optional<_Tp>&)):
	Turn into operator>=(const optional<_Tp>&, const optional<_Up>&).
	(operator==(const optional<_Tp>&, const _Tp&)):
	Turn into operator==(const optional<_Tp>&, const _Up&).
	(operator==(const _Tp&, const optional<_Tp>&)):
	Turn into operator==(const _Up&, const optional<_Tp>&).
	(operator!=(const optional<_Tp>&, const _Tp&)):
	Turn into operator!=(const optional<_Tp>&, const _Up&).
	(operator!=(const _Tp&, const optional<_Tp>&)):
	Turn into operator!=(const _Up&, const optional<_Tp>&).
	(operator<(const optional<_Tp>&, const _Tp&)):
	Turn into operator<(const optional<_Tp>&, const _Up&).
	(operator<(const _Tp&, const optional<_Tp>&)):
	Turn into operator<(const _Up&, const optional<_Tp>&).
	(operator>(const optional<_Tp>&, const _Tp&)):
	Turn into operator>(const optional<_Tp>&, const _Up&).
	(operator>(const _Tp&, const optional<_Tp>&)):
	Turn into operator>(const _Up&, const optional<_Tp>&).
	(operator<=(const optional<_Tp>&, const _Tp&)):
	Turn into operator<=(const optional<_Tp>&, const _Up&).
	(operator<=(const _Tp&, const optional<_Tp>&)):
	Turn into operator<=(const _Up&, const optional<_Tp>&).
	(operator>=(const optional<_Tp>&, const _Tp&)):
	Turn into operator>=(const optional<_Tp>&, const _Up&).
	(operator>=(const _Tp&, const optional<_Tp>&)):
	Turn into operator>=(const _Up&, const optional<_Tp>&).
	* testsuite/20_util/optional/relops/7.cc: New.

2017-03-10  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/17_intro/names.cc: Undefine macros that clash with
	identifiers in AIX system headers.

	* include/bits/invoke.h (__invoke): Use __invoke_result instead of
	result_of, and __is_nothrow_invocable instead of
	__is_nothrow_callable.
	* include/bits/shared_ptr_base.h (__shared_ptr): Use __is_invocable
	instead of __is_callable.
	* include/std/functional (invoke): use invoke_result_t instead of
	result_of_t and is_nothrow_invocable instead of is_nothrow_callable.
	(_Not_fn): Use __invoke_result instead of result_of.
	* include/std/type_traits (__result_of_memobj, __result_of_memfun):
	Remove partial specializations for reference_wrapper types.
	(__result_of_impl): Use __inv_unwrap to strip reference_wrapper.
	(__invoke_result): Define replacement for result_of and then use it to
	define result_of.
	(__is_callable_impl, __is_callable, __is_nothrow_callable): Replace
	with __is_invocable_impl, __is_invocable, and __is_nothrow_invocable
	respectively.
	(invoke_result, invoke_result_t): Define for C++17.
	(is_callable, is_nothrow_callable): Replace with is_invocable,
	is_invocable_r, is_nothrow_invocable, and is_nothrow_invocable_r.
	(is_callable_v, is_nothrow_callable_v): Replace with is_invocable_v,
	is_invocable_r_v, is_nothrow_invocable_v, and is_nothrow_invocable_r_v.
	* include/std/variant (hash<variant<T...>>): Use is_nothrow_invocable_v
	instead of is_nothrow_callable_v.
	* testsuite/20_util/function_objects/invoke/59768.cc: Remove unused
	main function.
	* testsuite/20_util/function_objects/not_fn/1.cc: Use is_invocable
	instead of is_callable.
	* testsuite/20_util/is_callable/*: Rename directory and adjust tests
	to use new traits.
	* testsuite/20_util/is_nothrow_callable/*: Likewise.
	* testsuite/20_util/optional/hash.cc: Use is_invocable_v instead of
	is_callable.
	* testsuite/20_util/variant/hash.cc: Likewise.

2017-03-10  George Lander  <george.lander@arm.com>

	* acinclude.m4 (glibcxx_cv_obsolete_isnan): Define
	_GLIBCXX_INCLUDE_NEXT_C_HEADERS before including math.h.
	* configure: Regenerate.

2017-03-09  Jonathan Wakely  <jwakely@redhat.com>

	* include/std/functional (_Not_fn): Define macro to simplify
	repetitive function definitions.

	* doc/xml/manual/status_cxx2017.xml: Document std::byte support.
	* include/c_global/cstddef (std::byte): Define for C++17.
	* testsuite/18_support/byte/global_neg.cc: New test.
	* testsuite/18_support/byte/ops.cc: New test.
	* testsuite/18_support/byte/requirements.cc: New test.

2017-03-05  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/status_cxx2017.xml: Document P0156R2 status.
	* doc/html/*: Regenerate.
	* include/std/mutex (scoped_lock): Implement new C++17 template.
	* testsuite/30_threads/scoped_lock/cons/1.cc: New test.
	* testsuite/30_threads/scoped_lock/requirements/
	explicit_instantiation.cc: New test.
	* testsuite/30_threads/scoped_lock/requirements/typedefs.cc: New test.

2017-03-02  Gerald Pfeifer  <gerald@pfeifer.com>
	    François Dumont  <frs.dumont@gmail.com>
	    Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/debug_mode.xml: Update and simplify note
	on link- and run-time coexistence.

2017-03-02  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/17_intro/headers/names.cc: Rename to ...
	* testsuite/17_intro/names.cc: ... here.

	PR libstdc++/79789
	* include/bits/hashtable_policy.h (__clp2): Use reserved names for
	parameters and local variables.
	* include/bits/ios_base.h (make_error_code, make_error_condition):
	Likewise.
	* include/bits/list.tcc (list::sort): Likewise.
	* include/bits/mask_array.h (mask_array): Likewise.
	* include/bits/regex.h (regex_token_iterator): Likewise.
	* include/bits/slice_array.h (slice_array): Likewise.
	* include/bits/stl_algo.h (__sample): Likewise.
	* include/std/memory (undeclare_no_pointers): Likewise.
	* include/std/type_traits (is_callable_v, is_nothrow_callable_v):
	Likewise.
	* libsupc++/exception_ptr.h (__dest_thunk): Likewise.
	* testsuite/17_intro/headers/names.cc: New test.

	PR libstdc++/79798
	* include/std/functional (bind::_Res_type_impl): Fix incorrect use of
	result_of that loses top-level cv-qualifiers.
	* testsuite/20_util/bind/79798.cc: New test.

2017-03-01  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/documentation_hacking.xml: Tweak link to
	doxygen.org.

2017-02-23  Jonathan Wakely  <jwakely@redhat.com>

	* include/experimental/iterator: Include <iterator>.
	* testsuite/experimental/iterator/requirements.cc: Check for contents
	of <iterator>.

2017-02-19  Dinka Ranns  <dinka.ranns@googlemail.com>

	C++17 GB50 resolution
	* include/std/chrono (duration::operator++()): Add
	_GLIBCXX17_CONSTEXPR.
	(duration::operator++(int)): Likewise.
	(duration::operator--()): Likewise.
	(duration::operator--(int)): Likewise.
	(duration::operator+=(const duration&)): Likewise.
	(duration::operator-=(const duration&)): Likewise.
	(duration::operator*=(const rep&)): Likewise.
	(duration::operator/=(const rep&)): Likewise.
	(duration::operator%=(const rep&)): Likewise.
	(duration::operator%=(const duration&)): Likewise.
	(time_point::operator+=(const duration&)): Likewise.
	(time_point::operator-=(const duration&)): Likewise.
	* testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: New test.
	* testsuite/20_util/duration/literals/range.cc: Adjust dg-error.
	* testsuite/20_util/time_point/arithmetic/constexpr.cc: New test.

2017-02-19  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/debug.xml: Adjust link to ThreadSanitizer.

2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/io.xml: Update link to groups.google.com.
	Tweak link description.

2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/profile_mode.xml: Fix link.

2017-02-16  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/policy_data_structures.xml: Simplify and
	standardize references to boost.org.
	* doc/xml/manual/policy_data_structures_biblio.xml: Ditto.
	* doc/xml/manual/shared_ptr.xml: Ditto.

2017-02-16  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/60936
	* src/c++11/snprintf_lite.cc (__concat_size_t): Calculate length
	written to buffer, not length remaining in buffer.

2017-02-15  Tim Shen  <timshen@google.com>

	PR libstdc++/78723
	* include/std/variant (operator<(), operator>(), operator<=(),
	operator>=(), operator==(), operator!=()): Implement P0393R3.
	* testsuite/20_util/variant/compile.cc: Adjust tests.
	* testsuite/20_util/variant/run.cc: Adjust tests.

2017-02-15  Tim Shen  <timshen@google.com>

	PR libstdc++/79513
	* include/std/variant (visit()): Forward variant types to the return
	type detection code.
	* testsuite/20_util/variant/compile.cc: Add test cases.

2017-02-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR libstdc++/79348
	* config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.

2017-02-13  Jakub Jelinek  <jakub@redhat.com>

	PR libstdc++/79348
	* config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Likewise.
	* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Likewise.
	* config/abi/post/i486-linux-gnu/baseline_symbols.txt: Likewise.
	* config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Likewise.
	* config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Likewise.
	* config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Likewise.
	* config/abi/post/s390-linux-gnu/baseline_symbols.txt: Likewise.
	* config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Likewise.

2017-02-13  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79486
	* include/std/future (__future_base::_Task_state::_M_run)
	(__future_base::_Task_state::_M_run_delayed): Use lvalue types in
	result_of expressions.
	* testsuite/30_threads/packaged_task/79486.cc: New.

2017-02-11  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79467
	* include/bits/shared_ptr_base.h (__shared_ptr(_Yp*, _Deleter))
	(__shared_ptr(_Yp*, _Deleter, _Alloc)): Use lvalue types in
	__is_callable check.
	* testsuite/20_util/shared_ptr/cons/79467.cc: New.

	* include/bits/atomic_base.h: Re-indent.

2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/profile_mode.xml: Update a paper reference.

2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>

	* src/c++11/snprintf_lite.cc (__err): Use https for bug reporting.

2017-02-08  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/policy_data_structures.xml: Fix spelling of author's
	name.
	* doc/xml/manual/policy_data_structures_biblio.xml: Likewise. Remove
	broken links to texts that are no longer online.
	* doc/xml/manual/profile_mode.xml: Update links to CGO 2009 paper and
	LCPC 2006 paper.
	* doc/xml/manual/using.xml: Update links to memory model information.
	* doc/xml/manual/using_exceptions.xml: Update link to "Appendix E:
	Standard-Library Exception Safety".
	* doc/html/*: Regenerate.

2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/profile_mode.xml: Unbreak link to
	"Optimizing Sorting with Machine Learning Algorithms".

2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>

	* src/c++11/snprintf_lite.cc (__err): Update bug reporting URL.

2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/abi.xml: Update link to "Sun Studio 11: C++
	Migration Guide".

2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/html/ext/lwg-active.html: Remove.
	* doc/html/ext/lwg-closed.html: Ditto.
	* doc/html/ext/lwg-defects.html: Ditto.

	* doc/Makefile.am (xml_extradir): Remove.
	(xml_extra): Ditto.
	(stamp-html-docbook-lwg): Remove recipe...
	(stamp-html-docbook-data): ...and its use here.
	* doc/Makefile.in: Regenerate.

	* doc/xml/manual/intro.xml: Shorten two paragraphs explaining
	the relationship to the upstream working group.
	Replace a local link to ../ext/lwg-active.html by the upstream one.
	Replace all reference to ../ext/lwg-defects.html by a new entity
	&DR; which refers to the upstream address.

2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/status_cxx2017.xml: Fix link to N4284.

2017-02-06  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79323
	* testsuite/20_util/duration/literals/range.cc: Prune extra output
	at -O0.

2017-02-06  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/documentation_hacking.xml: Update URL of the
	DocBook Element Reference.  Use that term as link description
	instead of "online".
	epubcheck has moved to GitHub.
	Remove obsolete link to DocBook Publishing Tools.

2017-02-03  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/66145
	* testsuite/27_io/basic_ios/copyfmt/char/1.cc: Restore ABI override
	so new ios::failure can be caught even when old ABI is the default.
	* testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/char/
	exceptions_failbit.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
	exceptions_failbit.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_other/char/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_other/wchar_t/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
	* testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_other/char/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_other/wchar_t/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/ios_base/storage/2.cc: Likewise.

	PR libstdc++/60936
	* src/c++11/Makefile.am: Add new files.
	* src/c++11/Makefile.in: Regenerate.
	* src/c++11/cow-string-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
	(operator<<, operator>>, getline): Move explicit instantiations to ...
	* src/c++11/cow-string-io-inst.cc: ... new file.
	* src/c++11/cow-wstring-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
	(operator<<, operator>>, getline): Move explicit instantiations to ...
	* src/c++11/cow-wstring-io-inst.cc: ... new file.
	* src/c++11/functexcept.cc (__throw_ios_failure, __throw_system_error)
	(__throw_future_error, __throw_bad_function_call):
	(__throw_regex_error): Move functions for C++11 exceptions to the
	files that define the exception types.
	* src/c++11/functional.cc (__throw_bad_function_call): Move here.
	* src/c++11/future.cc (__throw_future_error): Likewise.
	* src/c++11/ios.cc (__throw_ios_failure): Likewise.
	* src/c++11/regex.cc (__throw_regex_error): Likewise.
	* src/c++11/snprintf_lite.cc (__concat_size_t): Print decimal
	representation directly instead of calling __int_to_char.
	* src/c++11/sso_string.cc (__sso_string): New file for definition
	of __sso_string type.
	* src/c++11/string-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
	explicit instantiations of narrow string I/O functions.
	* src/c++11/system_error.cc (__throw_system_error): Move here.
	(__sso_string): Move to new file.
	* src/c++11/wstring-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
	explicit instantiations of wide string I/O functions.
	* src/c++98/misc-inst.cc [_GLIBCXX_USE_CXX11_ABI] (operator<<)
	(operator>>, getline): Remove explicit instantiations from here.

2017-02-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.

2017-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.host: Separate Solaris/SPARC and x86 baselines.
	* config/abi/post/solaris2.10/baseline_symbols.txt: Move ...
	* config/abi/post/sparc-solaris2.10/baseline_symbols.txt: ... here.
	* config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Move ...
	* config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
	... here.
	* config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Move ...
	* config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: ... here.
	* config/abi/post/i386-solaris2.10/baseline_symbols.txt: New file.
	* config/abi/post/solaris2.11/baseline_symbols.txt: Move ...
	* config/abi/post/sparc-solaris2.11/baseline_symbols.txt: ... here.
	* config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Move ...
	* config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
	... here.
	* config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Move ...
	* config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: ... here.
	* config/abi/post/i386-solaris2.11/baseline_symbols.txt: New file.

	* config/abi/post/solaris2.10/baseline_symbols.txt: Regenerate.
	* config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.11/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Likewise.

2017-02-01  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/78346
	* include/bits/predefined_ops.h (_Iter_equals_iter): Store iterator
	not its referent.
	(_Iter_comp_to_iter): Likewise.
	* testsuite/25_algorithms/search/78346.cc: New test.

	PR libstdc++/79254
	* config/abi/pre/gnu.ver: Remove recently added symbols.
	* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
	(basic_string::_M_copy_assign): Remove.
	(basic_string::operator=(const basic_string&)): Don't dispatch to
	_M_copy_assign. If source object is small just deallocate, otherwise
	perform new allocation before making any changes.
	* include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
	(basic_string::_M_copy_assign(const basic_string&, true_type)):
	Remove.
	* testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
	Test cases where the allocators are equal or the string is small.
	* testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
	Likewise.

2017-01-30  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement LWG 2825, LWG 2756 breaks class template argument
	deduction for optional.
	* include/std/optional: Add a deduction guide.
	* testsuite/20_util/optional/cons/deduction_guide.cc: New.

2017-01-27  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79254
	* config/abi/pre/gnu.ver: Add new symbols.
	* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
	(basic_string::_M_copy_assign): New overloaded functions to perform
	copy assignment.
	(basic_string::operator=(const basic_string&)): Dispatch to
	_M_copy_assign.
	* include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
	(basic_string::_M_copy_assign(const basic_string&, true_type)):
	Define, performing rollback on exception.
	* testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
	Test exception-safety guarantee.
	* testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
	Likewise.
	* testsuite/util/testsuite_allocator.h (uneq_allocator::swap): Make
	std::swap visible.

2017-01-26  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/70607
	* include/tr1/complex (conj): Remove using-declaration and restore
	overloads, reverting previous change.

	* testsuite/23_containers/list/operations/78389.cc: Fix for C++11
	mode.
	* testsuite/23_containers/priority_queue/requirements/constructible.cc:
	Mark as unsupported in C++98 mode.
	* testsuite/23_containers/queue/requirements/constructible.cc:
	Likewise.
	* testsuite/23_containers/stack/requirements/constructible.cc:
	Likewise.
	* testsuite/25_algorithms/make_heap/movable.cc: Fix for C++11 mode.

	PR libstdc++/79243
	* include/bits/c++config (literals::string_view_literals::__7): Add.
	Only declare versioned namespaces for the relevant C++ dialects.
	* include/experimental/bits/erase_if.h (fundamentals_v2::__detail):
	Add versioning macros.
	* include/experimental/bits/lfts_config.h:
	(fundamentals_v1::__detail::__7, fundamentals_v2::__detail::__7): Add.
	* include/experimental/string_view (fundamentals_v2::__detail):
	Add versioning macros.
	(fundamentals_v2::__detail::__identity): Remove.
	(fundamentals_v2::__detail::__idt): Use common_type instead of
	__detail::__identity.
	* include/std/string_view (__detail::__identity, __detail::__idt):
	Likewise.
	(literals::string_view_literals): Fix nesting of versioning macros.

	PR libstdc++/79190
	* libsupc++/del_opa.cc (operator delete(void*, std::align_val_t))
	[!_GLIBCXX_HAVE_ALIGNED_ALLOC && !_GLIBCXX_HAVE_POSIX_MEMALIGN
	&& !_GLIBCXX_HAVE_MEMALIGN && !_GLIBCXX_HAVE__ALIGNED_MALLOC]:
	Retrieve original pointer value allocated by malloc.
	* libsupc++/new_opa.cc [!_GLIBCXX_HAVE_ALIGNED_ALLOC
	&& !_GLIBCXX_HAVE_POSIX_MEMALIGN && !_GLIBCXX_HAVE_MEMALIGN
	&& !_GLIBCXX_HAVE__ALIGNED_MALLOC] (aligned_alloc(size_t, size_t)):
	Define, adjusting pointer value allocated by malloc and storing for
	retrieval by operator delete.

2017-01-26  Jakub Jelinek  <jakub@redhat.com>

	* libsupc++/eh_atomics.h: Update copyright years.
	* testsuite/20_util/unique_ptr/cons/default.cc: Update copyright years.

2017-01-25  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/61791
	PR libstdc++/70607
	* include/std/complex (real(T), imag(T)): Add _GLIBCXX_CONSTEXPR.
	(proj(T), conj(T)): Change return types per DR 1522.
	* include/tr1/complex (conj): Remove overloads and use std::conj.
	* testsuite/26_numerics/complex/dr781_dr1137.cc: Rename to...
	* testsuite/26_numerics/complex/dr781.cc: ... this, and update.
	* testsuite/26_numerics/complex/value_operations/constexpr2.cc: Test
	real(T) and imag(T). Allow testing for C++11 too.

2017-01-24  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79206
	* include/experimental/string_view (operator==): Check sizes first.
	* include/std/string_view (operator==): Likewise.

2017-01-23  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/experimental/array/make_array.cc: Restore <functional>
	inclusion.

2017-01-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	* testsuite/29_atomics/atomic/69301.cc: Require atomic builtins.

2017-01-23  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79195
	* include/experimental/array (__make_array_elem): New class template
	and partial specialization.
	(__is_reference_wrapper): Move into __make_array_elem specialization.
	(make_array): Use __make_array_elem to determine element type and move
	static assertion into specialization. Qualify std::forward call.
	(to_array): Add exception specifiation.
	* testsuite/experimental/array/make_array.cc: Test argument types
	without a common type.
	* testsuite/experimental/array/neg.cc: Adjust expected error message.

2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/debug.xml: code.google.com uses https now.

2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/test.xml: Fix link into gccint online manual.

2017-01-21  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Make poisoned hashes SFINAE away the call operator of the hash.
	* include/bits/functional_hash.h
	(__poison_hash::__enable_hash_call): New.
	* include/std/optional (__optional_hash_call_base): New.
	(hash<optional<_Tp>>): Derive from the new base,
	move the hash function into that base.
	* include/std/variant (__variant_hash_call_base_impl): New.
	(__variant_hash_call_base): Likewise.
	(hash<variant<_Types...>>): Derive from the new base,
	move the hash function into that base.
	* testsuite/20_util/optional/hash.cc: Add tests for is_callable.
	* testsuite/20_util/variant/hash.cc: Likewise.

2017-01-20  Joe Seymour  <joe.s@somniumtech.com>

	* acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): Support uint20_t.
	* configure: Regenerate.

2017-01-20  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/69240
	* include/bits/random.h (uniform_real_distribution::param_type)
	(normal_distribution::param_type, lognormal_distribution::param_type)
	(gamma_distribution::param_type, chi_squared_distribution::param_type)
	(cauchy_distribution::param_type, fisher_f_distribution::param_type)
	(student_t_distribution::param_type)
	(bernoulli_distribution::param_type, binomial_distribution::param_type)
	(geometric_distribution::param_type)
	(negative_binomial_distribution::param_type)
	(poisson_distribution::param_type)
	(exponential_distribution::param_type)
	(weibull_distribution::param_type)
	(extreme_value_distribution::param_type)
	(discrete_distribution::param_type)
	(piecewise_constant_distribution::param_type)
	(piecewise_linear_distribution::param_type): Define operator!=.
	* include/bits/uniform_int_dist.h
	(uniform_int_distribution::param_type): Likewise.
	* include/ext/random (beta_distribution::param_type)
	(rice_distribution::param_type, nakagami_distribution::param_type)
	(pareto_distribution::param_type, k_distribution::param_type)
	(arcsine_distribution::param_type, hoyt_distribution::param_type)
	(triangular_distribution::param_type)
	(von_mises_distribution::param_type)
	(hypergeometric_distribution::param_type)
	(logistic_distribution::param_type)
	(uniform_on_sphere_distribution::param_type)
	(uniform_inside_sphere_distribution::param_type): Likewise.
	* testsuite/26_numerics/random/bernoulli_distribution/cons/parms.cc:
	Test construction with param_type.
	* testsuite/26_numerics/random/binomial_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/cauchy_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/chi_squared_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/exponential_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/extreme_value_distribution/cons/
	parms.cc: Likewise.
	* testsuite/26_numerics/random/fisher_f_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/gamma_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/geometric_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/lognormal_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/negative_binomial_distribution/cons/
	parms.cc: Likewise.
	* testsuite/26_numerics/random/normal_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/poisson_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/student_t_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/uniform_int_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/uniform_real_distribution/cons/parms.cc:
	Likewise.
	* testsuite/26_numerics/random/weibull_distribution/cons/parms.cc:
	Likewise.
	* testsuite/ext/random/arcsine_distribution/cons/parms.cc: Likewise.
	* testsuite/ext/random/beta_distribution/cons/parms.cc: Likewise.
	* testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
	* testsuite/ext/random/hypergeometric_distribution/cons/parms.cc:
	Likewise.
	* testsuite/ext/random/k_distribution/cons/parms.cc: Likewise.
	* testsuite/ext/random/logistic_distribution/cons/parms.cc: Likewise.
	* testsuite/ext/random/nakagami_distribution/cons/parms.cc: Likewise.
	* testsuite/ext/random/normal_mv_distribution/cons/parms.cc: Likewise.
	* testsuite/ext/random/pareto_distribution/cons/parms.cc: Likewise.
	* testsuite/ext/random/rice_distribution/cons/parms.cc: Likewise.
	* testsuite/ext/random/triangular_distribution/cons/parms.cc:
	Likewise.
	* testsuite/ext/random/uniform_inside_sphere_distribution/cons/
	parms.cc: Likewise.
	* testsuite/ext/random/von_mises_distribution/cons/parms.cc: Likewise.

	PR libstdc++/72792
	* include/bits/alloc_traits.h (__allocator_traits_base::__diff_type)
	(__allocator_traits_base::__size_type): Remove.
	(allocator_traits::_Ptr): New class template to detect const and void
	pointer types without instantiating pointer_traits::rebind
	unnecessarily.
	(allocator_traits::_Diff): Likewise for detecting difference_type.
	(allocator_traits::_Size): New class template to detect size_type
	without instantiating make_unsigned unnecessarily.
	* include/bits/ptr_traits.h (pointer_traits::element_type): Use
	__detected_or_t instead of __detected_or_t_.
	* include/std/type_traits (__detected_or_t_): Remove.
	* testsuite/20_util/allocator_traits/members/pointers.cc: New test.

	PR libstdc++/72792
	PR libstdc++/72793
	* include/bits/alloc_traits.h (__allocator_traits_base::__rebind):
	Replace with class template using void_t.
	(__alloc_rebind): Define in terms of
	__allocator_traits_base::__rebind.
	(allocator_traits): Remove unconditional static_assert for
	rebind_alloc.
	* include/bits/ptr_traits.h (__replace_first_arg): Remove type member.
	(pointer_traits::__rebind): Replace with class template using void_t.
	(pointer_traits::rebind): Define in terms of __rebind.
	(pointer_traits): Remove unconditional static_assert for rebind.
	* testsuite/20_util/allocator_traits/members/rebind_alloc.cc: New test.
	* testsuite/20_util/pointer_traits/rebind.cc: New test.

	PR libstdc++/69321
	* include/experimental/any (__any_caster): Avoid instantiating
	manager function for types that can't be stored in any.
	* include/std/any (__any_caster): Likewise.
	* testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type.
	* testsuite/experimental/any/misc/any_cast.cc: Likewise.

	PR libstdc++/64903
	* include/bits/stl_algo.h (is_partitioned): Use increment instead of
	std::advance.

2017-01-19  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79156
	* include/bits/shared_ptr_base.h (__enable_shared_from_this_base):
	Fix return type.
	(__enable_shared_from_this): Declare __shared_ptr as a friend.
	* testsuite/ext/shared_ptr/1.cc: New test.

	PR libstdc++/64903
	* include/bits/stl_algo.h (is_partitioned): Don't retest the partition
	point.
	* testsuite/25_algorithms/is_partitioned/2.cc: New test.

	* doc/xml/manual/abi.xml: Fix typo.
	* doc/html/manual/abi.html: Likewise.

	PR libstdc++/67085
	* include/bits/predefined_ops.h (_Iter_less_val, _Val_less_iter): Add
	converting constructors from _Iter_less_iter.
	(_Iter_comp_val, _Val_comp_iter): Add converting constructors from
	_Iter_comp_iter.
	(__iter_comp_val(_Iter_comp_iter<C>): Use converting constructor.
	(__val_comp_iter(_Iter_comp_iter<C>): Likewise.
	* include/bits/stl_heap.h (__is_heap_until, __push_heap, __pop_heap)
	(__make_heap, __sort_heap): Change _Compare parameters to references.
	(__is_heap, push_heap, __adjust_heap, __pop_heap, pop_heap)
	(__make_heap, make_heap, sort_heap, is_heap_until): Pass comparison
	functions as lvalues.
	(is_heap): Call __is_heap_until directly to avoid copying __comp.
	* testsuite/23_containers/priority_queue/67085.cc: Adjust test to
	count copies during construction with empty sequence.

	PR libstdc++/67085
	* include/bits/stl_heap.h (__is_heap): Use _GLIBCXX_MOVE.
	(__make_heap, __sort_heap): Don't use _GLIBCXX_MOVE inside loops.
	* testsuite/23_containers/priority_queue/67085.cc: Adjust expected
	number of copies.
	* testsuite/25_algorithms/make_heap/movable.cc: New test.

	PR libstdc++/67085
	* include/bits/stl_heap.h (push_heap, __adjust_heap, __pop_heap)
	(pop_heap, __make_heap, make_heap, __sort_heap, sort_heap): Use
	_GLIBCXX_MOVE when passing comparison function to other functions.
	(is_heap_until, is_heap): Use std::move when passing comparison
	function.
	* testsuite/23_containers/priority_queue/67085.cc: New test.

	PR libstdc++/78905
	* doc/xml/manual/abi.xml (abi.versioning.history): Add markup to
	macro names, filenames, and literal values. Document _GLIBCXX_RELEASE.
	Document that the deprecated _GLIBCXX_VERSION macro was removed for
	the 4.0.0 release.
	* doc/html/*: Regenerate.
	* include/Makefile.am (_GLIBCXX_RELEASE): Set value.
	* include/Makefile.in: Regenerate.
	* include/bits/c++config (_GLIBCXX_RELEASE): Add #define.
	* testsuite/ext/profile/mutex_extensions_neg.cc: Use lineno of 0 in
	dg-error.

2017-01-18  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/69301
	* include/std/atomic (atomic<T>::load, atomic<T>::exchange): Use
	aligned buffer instead of default-initialized variable.
	* testsuite/29_atomics/atomic/69301.cc: New test.
	* include/experimental/memory (observer_ptr::release): Use reserved
	name.
	* include/ext/pointer.h (_Pointer_adapter::operator++(int))
	(_Pointer_adapter::operator--(int)): Likewise.

	PR libstdc++/68925
	* include/experimental/random (randint): Use temporary instead of
	thread_local static.

2017-01-17  Joshua Conner  <joshconner@google.com>

	* crossconfig.m4: Add fuchsia OS.
	* configure: Regenerate.

2017-01-17  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/69699
	* doc/xml/manual/abi.xml (abi.versioning.history): Explain why the
	__GLIBCXX__ macro is not useful. Remove redundant date information
	and link to the GCC release timeline.
	(abi.versioning.active): Move partial sentence into the previous
	paragraph.
	* doc/html/*: Regenerate.

	PR libstdc++/79114
	* libsupc++/nested_exception.h (throw_with_nested): Use decay instead
	of remove_reference.
	* testsuite/18_support/nested_exception/79114.cc: New test.

2017-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR other/79046
	* configure.ac: Add GCC_BASE_VER.
	* fragment.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* po/Makefile.in: Regenerated.
	* libsupc++/Makefile.in: Regenerated.
	* testsuite/Makefile.in: Regenerated.
	* src/Makefile.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
	* include/Makefile.in: Regenerated.
	* doc/Makefile.in: Regenerated.
	* python/Makefile.in: Regenerated.
	* src/c++11/Makefile.in: Regenerated.
	* src/c++98/Makefile.in: Regenerated.
	* src/filesystem/Makefile.in: Regenerated.

2017-01-16  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/66145
	* src/c++11/functexcept.cc: Use new ABI for std::ios_base::failure
	exceptions.
	* testsuite/27_io/basic_ios/copyfmt/char/1.cc: Don't override ABI
	for test, so new ios::failure can be caught.
	* testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/char/
	exceptions_failbit.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
	exceptions_failbit.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_other/char/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_other/wchar_t/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
	* testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_other/char/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_other/wchar_t/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/ios_base/storage/2.cc: Likewise.

	PR libstdc++/78702
	* include/bits/locale_classes.h (locale::facet::__shim): Change from
	private to protected.
	* src/c++11/cxx11-shim_facets.cc (__shim_accessor): Define helper to
	make locale::facet::__shim accessible.

2017-01-16  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/78389
	* include/bits/list.tcc (merge(list&&)): Fix backwards size adjustments.
	(merge(list&&, _StrictWeakOrdering)): Likewise.
	* testsuite/23_containers/list/operations/78389.cc: Add
	better test for the sizes.

2017-01-14  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
	Skip test when -D_GLIBCXX_PROFILE mode is included in options.
	* testsuite/23_containers/map/modifiers/extract.cc: Likewise.
	* testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
	Likewise.
	* testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
	* testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
	* testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
	* testsuite/23_containers/set/modifiers/extract.cc: Likewise.
	* testsuite/23_containers/unordered_map/modifiers/extract.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/modifiers/extract.cc::
	Likewise.
	* testsuite/23_containers/unordered_multiset/modifiers/extract.cc::
	Likewise.
	* testsuite/23_containers/unordered_set/modifiers/extract.cc:
	Likewise.
	* testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
	Likewise.
	* testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
	* testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
	* testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
	* testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
	* testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
	* testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
	* testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
	* testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
	* testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
	* testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
	* testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
	* testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
	* testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.

2017-01-13  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/65411
	* config/io/basic_file_stdio.cc (__basic_file<char>::close()): Don't
	retry fclose on EINTR.

	* include/profile/base.h: Remove unused header that leads to header
	cycle in C++17 mode.

	PR libstdc++/79075
	* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
	Make _If_sv private.
	[!_GLIBCXX_USE_CXX11_ABI] (basic_string): Add member functions taking
	basic_string_view arguments.

	PR libstdc++/79075
	* testsuite/lib/libstdc++.exp (check_v3_target_filesystem_ts): Remove
	redundant option from cxxflags.
	(check_effective_target_cxx11-abi): Define.
	* testsuite/21_strings/basic_string/allocator/71964.cc: Use cxx11-abi
	effective target.
	* testsuite/21_strings/basic_string/allocator/char/copy.cc: Likewise.
	* testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
	Likewise.
	* testsuite/21_strings/basic_string/allocator/char/minimal.cc:
	Likewise.
	* testsuite/21_strings/basic_string/allocator/char/move.cc: Likewise.
	* testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
	Likewise.
	* testsuite/21_strings/basic_string/allocator/char/noexcept.cc:
	Likewise.
	* testsuite/21_strings/basic_string/allocator/char/swap.cc: Likewise.
	* testsuite/21_strings/basic_string/allocator/wchar_t/copy.cc:
	Likewise.
	* testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
	Likewise.
	* testsuite/21_strings/basic_string/allocator/wchar_t/minimal.cc:
	Likewise.
	* testsuite/21_strings/basic_string/allocator/wchar_t/move.cc:
	Likewise.
	* testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
	Likewise.
	* testsuite/21_strings/basic_string/allocator/wchar_t/noexcept.cc:
	Likewise.
	* testsuite/21_strings/basic_string/allocator/wchar_t/swap.cc:
	Likewise.
	* testsuite/23_containers/list/61347.cc: Likewise.
	* testsuite/27_io/basic_fstream/cons/base.cc: Likewise.
	* testsuite/27_io/ios_base/failure/cxx11.cc: Likewise.

2017-01-13  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/78389
	* include/bits/list.tcc (merge(list&&)):
	Adjust list sizes if the comparator throws.
	(merge(list&&, _StrictWeakOrdering)): Likewise.
	(sort()): Splice elements back from the scratch buffers
	if the comparator throws.
	(sort(_StrictWeakOrdering)): Likewise.
	* testsuite/23_containers/list/operations/78389.cc: New.

2017-01-13  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Mark
	XFAIL for C++17 until node reinsertion supports fancy pointers.

	PR libstdc++/78361
	* testsuite/20_util/add_pointer/value.cc: Test forming function
	pointers.

2017-01-13  Michael Brune  <lucdanton@free.fr>

	PR libstdc++/78361
	* include/std/type_traits (__is_referenceable): Handle noexcept
	function types.

2017-01-12  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/77528
	* include/bits/stl_queue.h (queue, priority_queue): Remove default
	member-initializers and define default constructors as templates with
	constraints.
	* include/bits/stl_stack.h (stack): Likewise.
	* testsuite/23_containers/priority_queue/requirements/constructible.cc:
	New.
	* testsuite/23_containers/priority_queue/requirements/
	explicit_instantiation/1.cc: Test more instantiations.
	* testsuite/23_containers/priority_queue/requirements/
	explicit_instantiation/1_c++98.cc: Likewise.
	* testsuite/23_containers/queue/requirements/constructible.cc: New.
	* testsuite/23_containers/stack/requirements/constructible.cc: New.

	PR libstdc++/66284
	* doc/xml/manual/intro.xml: Document LWG 2781 change.
	* doc/html/*: Regenerate.
	* include/std/functional (_Function_base::_Ref_manager): Remove.
	(_Function_handler): Remove partial specializations for
	reference_wrapper.
	(function::target): Remove special case for const qualification.
	* testsuite/20_util/function/6.cc: Adjust tests for target type.
	* testsuite/20_util/function/7.cc: Likewise.
	* testsuite/20_util/function/8.cc: Likewise.

2017-01-11  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/78134
	* include/bits/stl_map.h (map::lower_bound, map::upper_bound)
	(map::equal_range): Fix return type of heterogeneous overloads.
	* include/bits/stl_multimap.h (multimap::lower_bound)
	(multimap::upper_bound, multimap::equal_range): Likewise.
	* include/bits/stl_multiset.h (multiset::lower_bound)
	(multiset::upper_bound, multiset::equal_range): Likewise.
	* include/bits/stl_set.h (set::lower_bound, set::upper_bound)
	(set::equal_range): Likewise.
	* testsuite/23_containers/map/operations/2.cc
	* testsuite/23_containers/multimap/operations/2.cc
	* testsuite/23_containers/multiset/operations/2.cc
	* testsuite/23_containers/set/operations/2.cc

	PR libstdc++/78273
	* include/bits/stl_map.h (map::count<_Kt>(const _Kt&)): Don't assume
	the heterogeneous comparison can only find one match.
	* include/bits/stl_set.h (set::count<_Kt>(const _Kt&)): Likewise.
	* testsuite/23_containers/map/operations/2.cc: Test count works with
	comparison function that just partitions rather than sorting.
	* testsuite/23_containers/set/operations/2.cc: Likewise.

2017-01-11  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Reduce the size of variant, it doesn't need an index of
	type size_t internally.
	* include/std/variant (parse_numbers.h): New include.
	(__select_index): New.
	(_Variant_storage<false, _Types...>::_M_reset_impl): Use
	_index_type for comparison with variant_npos.
	(_Variant_storage<false, _Types...>::__index_type): New.
	(_Variant_storage<false, _Types...>::_M_index): Change the
	type from size_t to __index_type.
	(_Variant_storage<true, _Types...>::__index_type): New.
	(_Variant_storage<true, _Types...>::_M_index): Change the
	type from size_t to __index_type.
	(_Variant_base::_M_valid): Use _Storage::__index_type
	for comparison with variant_npos.
	(variant::index): Use _Base::_Storage::__index_type
	for comparison with variant_npos.
	* testsuite/20_util/variant/index_type.cc: New.

2017-01-10  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/18_support/exception_ptr/60612-unexpected.cc: Adjust
	effective target selector to prevent running in C++17 mode.

	PR libstdc++/77528
	* include/bits/stl_queue.h (queue::c): Add default member initializer.
	(queue::queue()): Add constructor and define as defaulted.
	(queue::queue(_Sequence&&)): Remove default argument.
	(priority_queue::c, priority_queue::comp): Add default member
	initializers.
	(priority_queue::priority_queue()): Add constructor and define as
	defaulted.
	(priority_queue::priority_queue(const _Compare&, _Sequence&&)):
	Remove default argument for first parameter.
	* include/bits/stl_stack.h (stack::c): Add default member initializer.
	(stack::stack()): Add constructor and define as defaulted.
	(stack::stack(const _Sequence&)): Remove default argument.
	* testsuite/23_containers/priority_queue/requirements/
	explicit_instantiation/1.cc: Test explicit instantiation with
	non-DefaultConstructible sequence.
	* testsuite/23_containers/priority_queue/77528.cc: New test.
	* testsuite/23_containers/priority_queue/requirements/
	explicit_instantiation/1_c++0x.cc: Replace with 1_c++98.cc.
	* testsuite/23_containers/queue/77528.cc: New test.
	* testsuite/23_containers/queue/requirements/explicit_instantiation/
	1.cc: Test explicit instantiation with non-DefaultConstructible
	sequence.
	* testsuite/23_containers/queue/requirements/explicit_instantiation/
	1_c++0x.cc: Replace with 1_c++98.cc.
	* testsuite/23_containers/stack/77528.cc: New test.
	* testsuite/23_containers/stack/requirements/explicit_instantiation/
	1.cc: Test explicit instantiation with non-DefaultConstructible
	sequence.
	* testsuite/23_containers/stack/requirements/explicit_instantiation/
	1_c++0x.cc: Replace with 1_c++98.cc.

2017-01-10  Felipe Magno de Almeida <felipe@expertisesolutions.com.br>

	* include/bits/locale_facets_nonio.tcc
	(time_get::_M_extract_via_format): Avoid compilation errors with
	non-standard struct tm.

2017-01-10  François Dumont  <fdumont@gcc.gnu.org>
	    Jonathan Wakely  <jwakely@redhat.com>

	* python/libstdcxx/v6/printers.py (_versioned_namespace): Define.
	(is_specialization, strip_versioned_namespace): New helpers functions
	to work with symbols in the versioned namespace.
	(Printer.add_version): Add second name using versioned namespace.
	(add_one_template_type_printer, add_one_type_printer): Add second
	type printers using versioned namespace.
	(register_type_printers): Add template type printer for basic_string.
	(build_libstdcxx_dictionary): Remove dead code.
	* python/libstdcxx/v6/xmethods.py: Make all matchers look for
	versioned namespace.
	* testsuite/libstdc++-prettyprinters/48362.cc: Adjust expected
	results.
	* testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.

2017-01-09  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79017
	* acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Check for llrint and llround
	functions separately on darwin and if they're missing define
	_GLIBCXX_NO_C99_ROUNDING_FUNCS.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* include/c_global/cmath [_GLIBCXX_NO_C99_ROUNDING_FUNCS] (llrint)
	(llrintf, llrintl, llround, llroundf, llroundl): Do not define.

	* testsuite/30_threads/condition_variable/members/3.cc: Use new macro
	to detect correct thread_local destructors.
	* testsuite/util/testsuite_hooks.h (CORRECT_THREAD_LOCAL_DTORS):
	Define.

2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
	    Aditya Kumar  <hiraditya@msn.com>

	PR libstdc++/66414
	* include/bits/basic_string.tcc
	(basic_string::find(const CharT*, size_type, size_type)): Optimize.

2017-01-06  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/21_strings/basic_string/operations/find/char/6.cc: New.
	* testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: New.

	* testsuite/util/performance/priority_queue/mem_usage/pop_test.hpp:
	Include <cassert> header.

	PR libstdc++/78968
	* crossconfig.m4: Check for __cxa_thread_atexit on *-*-freebsd*.
	* configure: Regenerate.

2017-01-06  Barrett Adair  <barrettellisadair@gmail.com>
	    Jonathan Wakely  <jwakely@redhat.com>

	* include/std/variant (variant, swap): Replace __and_ usage with fold
	expressions.

2017-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR go/78978
	* acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Remove.
	* configure.ac: Call GCC_CHECK_ASSEMBLER_HWCAP instead of
	GLIBCXX_CHECK_ASSEMBLER_HWCAP.
	* fragment.am (CONFIG_CXXFLAGS): Use HWCAP_CFLAGS instead of
	HWCAP_FLAGS.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* Makefile.in, doc/Makefile.in, include/Makefile.in,
	libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in,
	src/Makefile.in, src/c++11/Makefile.in, src/c++98/Makefile.in,
	src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.

2017-01-06  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/c++config (_GLIBCXX_ASSERTIONS): Avoid redefinition.

	PR libstdc++/78991
	* include/bits/predefined_ops.h (_Iter_comp_iter, _Iter_comp_val)
	(_Val_comp_iter, _Iter_equals_val, _Iter_pred, _Iter_comp_to_val)
	(_Iter_comp_to_iter, _Iter_negate): Make constructors explicit and
	move function objects.
	(__iter_comp_iter, __iter_comp_val, __val_comp_iter, __pred_iter)
	(__iter_comp_val, __iter_comp_iter, __negate): Move function objects.
	* testsuite/25_algorithms/sort/78991.cc: New test.

2017-01-05  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/std_function.h (function::_Signature_type): Remove.
	(function::function(_Functor)): Adjust.

2017-01-05  Tim Shen  <timshen@google.com>

	PR libstdc++/78996
	* include/std/variant (__gen_vtable_impl): rename __unused to
	__dimensions to avoid naming conflict.

2017-01-04  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/78968
	* config.h.in: Regenerate.
	* configure: Likewise.
	* configure.ac: Check for __cxa_thread_atexit.
	* libsupc++/atexit_thread.cc [_GLIBCXX_HAVE___CXA_THREAD_ATEXIT]:
	Don't define __cxa_thread_atexit if libc provides it.

2017-01-04  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement 2801, Default-constructibility of unique_ptr.
	* include/bits/unique_ptr.h (__uniq_ptr_impl::_DeleterConstraint): New.
	(unique_ptr::_DeleterConstraint): Likewise.
	(unique_ptr()): Constrain.
	(unique_ptr(pointer)): Likewise.
	(unique_ptr(nullptr_t)): Likewise.
	(unique_ptr<_Tp[], _Dp>::_DeleterConstraint): New.
	(unique_ptr<_Tp[], _Dp>::unique_ptr()): Constrain.
	(unique_ptr<_Tp[], _Dp>::unique_ptr(_Up)): Likewise.
	(unique_ptr<_Tp[], _Dp>::unique_ptr(nullptr_t)): Likewise.
	* testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust.
	* testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
	* testsuite/20_util/unique_ptr/cons/default.cc: New.
	* testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Adjust.

2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
	    Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/64735
	* acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
	* config.h.in: Regenerate.
	* config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
	(GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
	exports for exception_ptr, nested_exception, and future conditional.
	[HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
	exports for exception_ptr, nested_exception, and future conditional.
	* configure: Regenerate.
	* configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
	* include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
	* libsupc++/eh_atomics.h: New file for internal use only.
	(__eh_atomic_inc, __eh_atomic_dec): New.
	* libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
	(exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
	(rethrow_exception): Use eh_atomics.h reference counting helpers.
	* libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
	* libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
	* libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
	* libsupc++/exception_ptr.h: Likewise.
	* libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
	* libsupc++/nested_exception.cc: Remove check for
	ATOMIC_INT_LOCK_FREE.
	* libsupc++/nested_exception.h: Likewise.
	* src/c++11/future.cc: Likewise.
	* testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
	* testsuite/18_support/nested_exception/*: Likewise.
	* testsuite/30_threads/async/*: Likewise.
	* testsuite/30_threads/future/*: Likewise.
	* testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
	* testsuite/30_threads/packaged_task/*: Likewise.
	* testsuite/30_threads/promise/*: Likewise.
	* testsuite/30_threads/shared_future/*: Likewise.

2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/documentation_hacking.xml: sourceforge.net now
	defaults to https; adjust reference.

2017-01-03  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/78956
	* include/std/thread (thread(const thread&&)): Add deleted
	constructor.
	* testsuite/30_threads/thread/cons/lwg2097.cc: New test.

	* doc/xml/manual/spine.xml: Update copyright years.
	* doc/xml/manual/build_hacking.xml: Fix spelling of libbuilddir.
	* doc/xml/manual/test.xml: Likewise.
	* doc/html/*: Regenerate.

2017-01-01  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/faq.xml: Update address of C++ ABI link.
	* doc/xml/manual/abi.xml: Ditto.

2017-01-01  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

Copyright (C) 2017 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.