| 2026-01-09 Jonathan Wakely <jwakely@redhat.com> |
| |
| * src/c++20/atomic.cc (use_proxy_wait): Remove unused second |
| parameter. |
| (__wait_args::_M_setup_proxy_wait): Remove second argument. |
| (__notify_impl): Likewise. |
| |
| 2026-01-09 Jonathan Wakely <jwakely@redhat.com> |
| |
| * include/bits/atomic_timed_wait.h (__atomic_wait_address_until): |
| Use _M_on_wake instead of _M_setup_wait after waking. |
| (__atomic_wait_address_for): Likewise. |
| * include/bits/atomic_wait.h (__atomic_wait_address): Likewise. |
| (__wait_args::_M_setup_wait): Remove third parameter and move |
| code to update _M_old to ... |
| (__wait_args::_M_on_wake): New member function to update _M_old |
| after waking, only calling _M_setup_proxy_wait if needed. |
| (__wait_args::_M_store): New member function to update _M_old |
| from a value, for non-proxy waits. |
| * src/c++20/atomic.cc (__wait_args::_M_setup_proxy_wait): If |
| _M_obj is not addr, only load a new value and return true. |
| |
| 2026-01-09 Jonathan Wakely <jwakely@redhat.com> |
| Tomasz Kamiński <tkaminsk@redhat.com> |
| |
| PR libstdc++/122878 |
| * include/bits/semaphore_base.h (_M_try_acquire): Replace |
| _M_try_acquire_for call with explicit loop and call to |
| __atomic_wait_address_for. |
| (_M_try_acquire_for): Replace loop with call to |
| _M_try_acquire_until. |
| |
| 2026-01-09 Keith Packard <keithp@keithp.com> |
| |
| * acinclude.m4 (GLIBCXX_CONFIGURE): Add --with-picolibc. |
| * configure: Regenerate. |
| * configure.ac: Add handling for with_picolibc=yes. |
| * config/os/picolibc/ctype_base.h: New file. |
| * config/os/picolibc/ctype_configure_char.cc: New file. |
| * config/os/picolibc/ctype_inline.h: New file. |
| * config/os/picolibc/os_defines.h: New file. |
| |
| 2026-01-08 Tomasz Kamiński <tkaminsk@redhat.com> |
| |
| * testsuite/20_util/variant/constinit.cc: Use scan-tree-dump |
| for matching of constructor. |
| * testsuite/20_util/variant/constinit_compat.cc: Likewise. |
| * testsuite/lib/libstdc++.exp: Load scantree.exp and scandump.exp. |
| |
| 2026-01-07 Jonathan Wakely <jwakely@redhat.com> |
| |
| PR libstdc++/123100 |
| * include/std/sstream (basic_stringbuf::str()&&): Handle the |
| case where _M_string is not being used for the buffer. |
| * testsuite/27_io/basic_stringbuf/str/char/123100.cc: New test. |
| |
| 2026-01-07 Jonathan Wakely <jwakely@redhat.com> |
| |
| * include/bits/atomic_wait.h (__wait_args::_M_setup_wait): |
| Remove unreachable return statement. |
| |
| 2026-01-07 Jonathan Wakely <jwakely@redhat.com> |
| |
| PR libstdc++/123406 |
| * acinclude.m4 (GLIBCXX_CHECK_STDIO_LOCKING): Override detection |
| of flockfile for non-cygwin newlib targets. |
| * configure: Regenerate. |
| |
| 2026-01-07 Jonathan Wakely <jwakely@redhat.com> |
| |
| PR libstdc++/123378 |
| * include/std/barrier (~__tree_barrier_base): Define. |
| |
| 2026-01-07 Jakub Jelinek <jakub@redhat.com> |
| |
| PR libstdc++/123183 |
| PR libstdc++/123326 |
| * libsupc++/exception (std::bad_exception::~bad_exception(), |
| std::bad_exception::what()): Add inline keyword and |
| [[__gnu__::__gnu_inline__]] attribute to the C++26 constexpr |
| exceptions definitions. |
| * libsupc++/exception.h (std::exception::~exception(), |
| std::exception::what()): Likewise. |
| * libsupc++/exception_ptr.h (std::exception_ptr::exception_ptr(void*)): |
| Likewise. |
| * libsupc++/nested_exception.h |
| (std::nested_exception::~nested_exception()): Likewise. |
| * libsupc++/typeinfo (std::bad_cast::~bad_cast(), |
| std::bad_cast::what(), std::bad_typeid::~bad_typeid(), |
| std::bad_typeid::what()): Likewise. |
| * include/bits/new_except.h (std::bad_alloc::~bad_alloc(), |
| std::bad_alloc::what(), |
| std::bad_array_new_length::~bad_array_new_length(), |
| std::bad_array_new_length::what()): Likewise. |
| * include/bits/stdexcept_except.h |
| (std::logic_error::logic_error(const string&), |
| std::logic_error::logic_error(const char*), |
| std::logic_error::~logic_error(), std::logic_error::what(), |
| std::domain_error::domain_error(const string&), |
| std::domain_error::domain_error(const char*), |
| std::invalid_argument::invalid_argument(const string&), |
| std::invalid_argument::invalid_argument(const char*), |
| std::length_error::length_error(const string&), |
| std::length_error::length_error(const char*), |
| std::out_of_range::out_of_range(const string&), |
| std::out_of_range::out_of_range(const char*), |
| std::runtime_error::runtime_error(const string&), |
| std::runtime_error::runtime_error(const char*), |
| std::runtime_error::~runtime_error(), std::runtime_error::what(), |
| std::overflow_error::overflow_error(const string&), |
| std::overflow_error::overflow_error(const char*), |
| std::overflow_error::~overflow_error(), |
| std::underflow_error::underflow_error(const string&), |
| std::underflow_error::underflow_error(const char*), |
| std::underflow_error::~underflow_error()): Likewise. |
| (std::domain_error::~domain_error(), |
| std::invalid_argument::~invalid_argument(), |
| std::length_error::~length_error(), |
| std::out_of_range::~out_of_range()): Likewise. Also change |
| _GLIBCXX_NOTHROW to noexcept on those definitions. |
| |
| |
| Copyright (C) 2026 Free Software Foundation, Inc. |
| |
| Copying and distribution of this file, with or without modification, |
| are permitted in any medium without royalty provided the copyright |
| notice and this notice are preserved. |
