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.

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