2018-01-25 Release Manager * GCC 7.3.0 released. 2018-01-19 Jonathan Wakely Backport from mainline 2018-01-16 Jonathan Wakely PR libstdc++/83834 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard pattern with exact match for std::cerr. 2018-01-18 Jonathan Wakely Backport from mainline 2017-10-23 Jonathan Wakely * doc/xml/manual/intro.xml: Include new section. * doc/xml/manual/status_cxxis29124.xml: New section on IS 29124 status. * doc/html/*: Regenerate. Backport from mainline 2017-10-19 Jonathan Wakely * doc/xml/manual/status_cxx2017.xml: Update references to C++17 section numbers. 2018-01-16 Eric Botcazou * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux. 2018-01-13 Jonathan Wakely * python/libstdcxx/v6/printers.py (register_type_printers): Remove printer for experimental::any. Fix printers for experimental::optional and experimental::basic_string_view. Backport from mainline 2018-01-05 Jonathan Wakely PR libstdc++/83626 * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove unnecessary symlink_status call. (remove_all(const path&, error_code&)): Use filesystem::remove. 2018-01-05 Jonathan Wakely Backport from mainline 2017-10-19 Jonathan Wakely * 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. Backport from mainline 2017-12-27 Jonathan Wakely 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. Backport from mainline 2017-12-27 Jonathan Wakely 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. Backport from mainline 2017-12-14 Jonathan Wakely PR libstdc++/83279 * src/filesystem/std-ops.cc (do_copy_file): Handle sendfile not copying entire file. Backport from mainline 2018-01-04 Jonathan Wakely * include/experimental/fs_ops.h (exists(const path&, error_code&))): Only check status_known once. Backport from mainline 2018-01-05 Jonathan Wakely PR libstdc++/83626 * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not report an error for ENOENT. (remove_all(const path&)): Fix type of result variable. (remove_all(const path&, error_code&)): Use non-throwing increment for directory iterator. Call POSIX remove directly to avoid redundant calls to symlink_status. Do not report errors for ENOENT. * testsuite/experimental/filesystem/operations/remove_all.cc: Test throwing overload. Backport from mainline 2018-01-04 Jonathan Wakely PR libstdc++/83626 * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove redundant call to ec.clear(). (remove_all(const path&, error_code&))): Do not return an error for non-existent paths. * testsuite/experimental/filesystem/operations/remove.cc: New test. * testsuite/experimental/filesystem/operations/remove_all.cc: Fix expected results for non-existent paths. Backport from mainline 2017-10-25 Jonathan Wakely PR libstdc++/79283 * src/filesystem/ops.cc (read_symlink): Handle st_size being zero. 2018-01-04 Ville Voutilainen Backport from mainline 2018-01-03 Ville Voutilainen Protect optional's deduction guide with the feature macro * include/std/optional: Use the feature macro. 2017-12-28 François Dumont Backport from mainline 2017-12-20 François Dumont 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. 2017-12-14 Jonathan Wakely PR libstdc++/83427 * include/bits/refwrap.h (_Weak_result_type_impl) (_Reference_wrapper_base): Deduce noexcept for function types. * testsuite/20_util/bind/83427.cc: New test. * testsuite/20_util/reference_wrapper/83427.cc: New test. PR libstdc++/59568 * include/std/complex (operator>>): Only use putback if a character was successfully extracted and only set the value if a number was successfully extracted. * testsuite/26_numerics/complex/inserters_extractors/char/59568.cc: New test. 2017-12-12 Jonathan Wakely PR libstdc++/83395 * include/std/type_traits (__is_invocable_impl): Remove partial specialization for INVOKE and restore is_void 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. 2017-12-01 Jonathan Wakely Backport from mainline 2017-10-13 Jonathan Wakely 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. Backport from mainline 2017-11-23 Jonathan Wakely 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. Backport from mainline 2017-12-01 Jonathan Wakely * include/std/type_traits (integral_constant): Make member functions noexcept (LWG 2346). * include/std/utility (integer_sequence): Likewise. Backport from mainline 2017-11-16 Jonathan Wakely * include/std/future (shared_future): Add noexcept to copy constructor and copy-assignment operator (LWG 2799). Backport from mainline 2017-11-15 Jonathan Wakely * include/bits/range_access.h (size, empty, data): Add conditional noexcept to generic overloads. Backport from mainline 2017-10-24 Jonathan Wakely PR libstdc++/82685 * include/experimental/string_view (operator""sv): Add noexcept. * include/std/string_view (operator""sv): Likewise. Backport from mainline 2017-11-30 Jonathan Wakely 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. Backport from mainline 2017-11-14 Jonathan Wakely * include/bits/locale_conv.h (wbuffer_convert::_M_conv_get): Fix typo. * testsuite/22_locale/conversions/buffer/3.cc: New test. Backport from mainline 2017-11-03 Jonathan Wakely * include/bits/node_handle.h (_Node_insert_return::get): Remove, as per P0508R0. 2017-10-25 Jonathan Wakely * doc/xml/manual/status_cxx1998.xml: Correct statement about what the doc covers. * doc/xml/manual/status_cxx2011.xml: Likewise. * doc/xml/manual/status_cxx2014.xml: Likewise. * doc/xml/manual/status_cxx2017.xml: Update C++17 status, and information on feature-test macros. * doc/xml/manual/status_cxxtr1.xml: Correct statement about what the doc covers. * doc/xml/manual/status_cxxtr24733.xml: Likewise. * doc/html/*: Regenerate. 2017-10-23 Jonathan Wakely Backport from mainline 2017-07-18 Jonathan Wakely 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. 2017-10-21 Jonathan Wakely * testsuite/experimental/filesystem/path/itr/traversal.cc: Do not increment past-the-end iterators. 2017-10-20 Jonathan Wakely * 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. Backport from mainline 2017-10-13 Jonathan Wakely PR libstdc++/82481 * include/std/mutex (call_once): Suppress clang-tidy warnings about dangling references. Backport from mainline 2017-09-12 Jonathan Wakely PR libstdc++/79433 * doc/xml/manual/status_cxx2017.xml: Update feature-test macros. * doc/html/*: Regenerate. * include/Makefile.am: Remove . * include/Makefile.in: Regenerate. * include/bits/c++17_warning.h: Remove. * include/bits/string_view.tcc: Do not include 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 . (__cpp_lib_optional): Define. * include/std/shared_mutex: Do not include . * include/std/string_view: Do not include . (__cpp_lib_string_view): Define. * include/std/variant: Do not include . (__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. Backport from mainline 2017-10-19 Jonathan Wakely * 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. 2017-09-21 Jonathan Wakely * 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 Backport from mainline 2017-06-14 Jonathan Wakely * doc/xml/manual/test.xml: Correct instructions on running tests. * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Adjust to pass when -D_GLIBCXX_USE_CXX11_ABI=0 added to RUNTESTFLAGS. * 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++/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. Backport from mainline 2017-09-20 Jonathan Wakely 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. Backport from mainline 2017-09-19 Jonathan Wakely PR libstdc++/82254 * include/std/type_traits (__is_invocable): Add partial specialization for INVOKE case and remove is_void check from partial specialization for INVOKE 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. 2017-09-13 Jonathan Wakely Backport from mainline 2017-09-04 Daniel Kruegler 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. 2017-09-13 Jonathan Wakely PR libstdc++/81468 * include/std/chrono (time_point(const time_point<_Dur2>&)): Add missing constraint from LWG DR 1177. * testsuite/20_util/duration/cons/dr1177.cc: New. * testsuite/20_util/time_point/cons/81468.cc: New. * testsuite/20_util/duration/literals/range.cc: Update dg-error line. * 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. 2017-09-12 Jonathan Wakely Backport from mainline 2017-09-12 Jonathan Wakely 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. Backport from mainline 2017-09-11 Jonathan Wakely 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. Backport from mainline 2017-06-12 Pedro Alves * 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, std::char_traits): 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, test_length, test_find, test_compare, test_length and test_find static_assert tests. 2017-09-04 Jonathan Wakely Backport from mainline 2017-08-31 Jonathan Wakely PR c++/82039 * include/ext/new_allocator.h (__gnu_cxx::new_allocator::allocate): Adjust null pointer constant to avoid warning. Backport from mainline 2017-08-21 Jonathan Wakely 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. Backport from mainline 2017-08-09 Jonathan Wakely * 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. Backport from mainline 2017-08-09 Katsuhiko Nishimra * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Use __is_identifier instead of __has_builtin. Backport from mainline 2017-08-18 Jonathan Wakely 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. Backport from mainline 2017-07-31 Marek Polacek PR libstdc++/81599 * include/bits/stl_stack.h: Fix typo. Backport from mainline 2017-07-10 Jonathan Wakely 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. 2017-08-20 John David Anglin PR testsuite/81056 * testsuite/17_intro/names.cc: Undef 'd' and 'r' on __hpux__. 2017-08-14 Jonathan Wakely Backport from mainline 2017-08-09 Jonathan Wakely 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. Backport from mainline 2017-07-25 Jonathan Wakely 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. 2017-08-14 Release Manager * GCC 7.2.0 released. 2017-07-26 Richard Biener Backport from mainline 2017-06-02 Richard Biener Markus Eisenmann PR libstdc++/80721 * libsupc++/eh_alloc.cc (pool::free): Keep list properly sorted and add missing freelist item merging cases. 2017-07-25 Jonathan Wakely Backport from mainline 2017-06-09 Jonathan Wakely * 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. Backport from mainline 2017-06-05 Jonathan Wakely * 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. Backport from mainline 2017-04-28 Jonathan Wakely 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. Backport from mainline 2017-05-16 Jonathan Wakely * configure: Regenerate. * 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. Backport from mainline 2017-07-06 Jonathan Wakely * 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. Backport from mainline 2017-06-08 Jonathan Wakely 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. Backport from mainline 2017-07-15 Jonathan Wakely * 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. Backport from mainline 2017-07-14 Jason Merrill Jonathan Wakely * 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. Backport from mainline 2017-06-02 Jonathan Wakely 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. Backport from mainline 2017-05-20 Tim Shen PR libstdc++/80737 * include/std/variant(variant::variant): SFINAE on is_same first. * testsuite/20_util/variant/any.cc: test case. 2017-07-11 Jonathan Wakely Backport from mainline 2017-04-21 Jonathan Wakely 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*)): Add overload for use by promise::set_value and promise::set_value_at_thread_exit. (promise, promise, promise): Make _State a friend. (_State_baseV2::_Setter): Remove explicit specialization. (promise::set_value, promise::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 and promise 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. 2017-06-27 Jonathan Wakely PR libstdc++/81221 * include/bits/stl_algo.h (sample): Qualify with _GLIBCXX_STD_A not std. * testsuite/25_algorithms/sample/81221.cc: New. 2017-06-21 Ville Voutilainen Backport from mainline 2017-06-21 Ville Voutilainen 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 Uros Bizjak * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update. 2017-06-21 Jonathan Wakely PR libstdc++/81092 * configure: Regenerate. 2017-06-19 Rainer Orth * 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 PR libstdc++/81092 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated. 2017-06-16 Jakub Jelinek PR libstdc++/81092 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update. 2017-06-16 Jonathan Wakely * include/bits/locale_conv.h (wbuffer_convert::sync): Fix condition. * testsuite/22_locale/conversions/buffer/2.cc: New. * doc/xml/manual/appendix_contributing.xml: Link to the list of bad names, and link to the test docs and note higher DejaGnu version requirement. * doc/xml/manual/allocator.xml: Fix ViewCVS URLs. * doc/xml/manual/mt_allocator.xml: Likewise. * doc/xml/manual/test.xml: Correct instructions on running tests. * doc/html/*: Regenerate. 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 new GLIBCXX_3.4.24 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. 2017-06-07 Jonathan Wakely PR libstdc++/81002 * include/bits/regex_compiler.h (__compile_nfa): Add template argument list to specify traits type. * testsuite/28_regex/basic_regex/ctors/basic/iter.cc: New. 2017-05-19 Jonathan Wakely 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 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 * 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. 2017-05-15 Jonathan Wakely 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 PR libstdc++/78939 * include/std/utility (tuple_size) [__cplusplus > 201402L]: Only define partial specializations when tuple_size::value is valid. * testsuite/20_util/tuple/78939.cc: New. 2017-05-02 Release Manager * GCC 7.1.0 released. 2017-04-19 Jonathan Wakely * 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 * 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 * doc/xml/faq.xml: Update reference link to C++ ABI for Itanium. * doc/xml/manual/abi.xml. Ditto (thrice). 2017-04-03 Jonathan Wakely * 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, std::char_traits): Add _GLIBCXX17_CONSTEXPR on assign. (std::char_traits, std::char_traits): 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 PR libstdc++/79141 * include/bits/stl_pair.h (__nonesuch_no_braces): New. (operator=(typename conditional< __and_, is_copy_assignable<_T2>>::value, const pair&, const __nonesuch&>::type)): Change __nonesuch to __nonesuch_no_braces. (operator=(typename conditional< __not_<__and_, is_copy_assignable<_T2>>>::value, const pair&, const __nonesuch&>::type)): Likewise. (operator=(typename conditional< __and_, is_move_assignable<_T2>>::value, pair&&, __nonesuch&&>::type)): Likewise. * testsuite/20_util/pair/79141.cc: New. 2017-04-03 Ville Voutilainen 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 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 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 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 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 * 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 Implement LWG 2686, Why is std::hash specialized for error_code, but not error_condition? * include/std/system_error (hash): Define for C++17. * testsuite/20_util/hash/operators/size_t.cc (hash): Instantiate test for error_condition. * testsuite/20_util/hash/requirements/explicit_instantiation.cc (hash): Instantiate hash. * 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 * 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 * 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 * 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 * src/c++11/codecvt.cc (range): Add non-type template parameter and define oerloaded operators for reading and writing code units. (range): 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 in order to avoid unaligned reads. (__codecvt_utf16_base::do_out) (__codecvt_utf16_base::do_out) (__codecvt_utf16_base::do_out): Use range specialization for unaligned data to avoid unaligned writes. (__codecvt_utf16_base::do_in) (__codecvt_utf16_base::do_in) (__codecvt_utf16_base::do_in): Likewise for writes. Return error if there are unprocessable trailing bytes. (__codecvt_utf16_base::do_length) (__codecvt_utf16_base::do_length) (__codecvt_utf16_base::do_length): Pass arguments of type range to span functions. * testsuite/22_locale/codecvt/codecvt_utf16/misaligned.cc: New test. 2017-03-16 Jonathan Wakely 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::do_out) (__codecvt_utf16_base::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) (codecvt, __codecvt_utf8_base) (__codecvt_utf8_base, __codecvt_utf8_base) (__codecvt_utf16_base, __codecvt_utf16_base) (__codecvt_utf16_base, __codecvt_utf8_utf16_base) (__codecvt_utf8_utf16_base) (__codecvt_utf8_utf16_base): 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::do_in): Use native endianness for internal representation. (__codecvt_utf8_utf16_base::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 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 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 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 * 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 PR libstdc++/79162 * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string::operator=(basic_string_view)): Replace with a constrained template. [!_GLIBCXX_USE_CXX11_ABI] (basic_string::operator=(basic_string_view)): 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 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 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 Implement LWG 2934, optional 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 * 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>): 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 * acinclude.m4 (glibcxx_cv_obsolete_isnan): Define _GLIBCXX_INCLUDE_NEXT_C_HEADERS before including math.h. * configure: Regenerate. 2017-03-09 Jonathan Wakely * 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 * 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 François Dumont Jonathan Wakely * doc/xml/manual/debug_mode.xml: Update and simplify note on link- and run-time coexistence. 2017-03-02 Jonathan Wakely * 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 * doc/xml/manual/documentation_hacking.xml: Tweak link to doxygen.org. 2017-02-23 Jonathan Wakely * include/experimental/iterator: Include . * testsuite/experimental/iterator/requirements.cc: Check for contents of . 2017-02-19 Dinka Ranns 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 * doc/xml/manual/debug.xml: Adjust link to ThreadSanitizer. 2017-02-18 Gerald Pfeifer * doc/xml/manual/io.xml: Update link to groups.google.com. Tweak link description. 2017-02-18 Gerald Pfeifer * doc/xml/manual/profile_mode.xml: Fix link. 2017-02-16 Gerald Pfeifer * 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 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 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 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 PR libstdc++/79348 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated. 2017-02-13 Jakub Jelinek 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 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 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 * doc/xml/manual/profile_mode.xml: Update a paper reference. 2017-02-08 Gerald Pfeifer * src/c++11/snprintf_lite.cc (__err): Use https for bug reporting. 2017-02-08 Jonathan Wakely * 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 * doc/xml/manual/profile_mode.xml: Unbreak link to "Optimizing Sorting with Machine Learning Algorithms". 2017-02-08 Gerald Pfeifer * src/c++11/snprintf_lite.cc (__err): Update bug reporting URL. 2017-02-08 Gerald Pfeifer * doc/xml/manual/abi.xml: Update link to "Sun Studio 11: C++ Migration Guide". 2017-02-07 Gerald Pfeifer * 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 * doc/xml/manual/status_cxx2017.xml: Fix link to N4284. 2017-02-06 Jonathan Wakely PR libstdc++/79323 * testsuite/20_util/duration/literals/range.cc: Prune extra output at -O0. 2017-02-06 Gerald Pfeifer * 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 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 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated. 2017-02-02 Rainer Orth * 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 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 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 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 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 * libsupc++/eh_atomics.h: Update copyright years. * testsuite/20_util/unique_ptr/cons/default.cc: Update copyright years. 2017-01-25 Jonathan Wakely 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 PR libstdc++/79206 * include/experimental/string_view (operator==): Check sizes first. * include/std/string_view (operator==): Likewise. 2017-01-23 Jonathan Wakely * testsuite/experimental/array/make_array.cc: Restore inclusion. 2017-01-23 Thomas Preud'homme * testsuite/29_atomics/atomic/69301.cc: Require atomic builtins. 2017-01-23 Jonathan Wakely 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 * doc/xml/manual/debug.xml: code.google.com uses https now. 2017-01-22 Gerald Pfeifer * doc/xml/manual/test.xml: Fix link into gccint online manual. 2017-01-21 Ville Voutilainen 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>): 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>): 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 * acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): Support uint20_t. * configure: Regenerate. 2017-01-20 Jonathan Wakely 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 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): Use converting constructor. (__val_comp_iter(_Iter_comp_iter): 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 PR libstdc++/69301 * include/std/atomic (atomic::load, atomic::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 * crossconfig.m4: Add fuchsia OS. * configure: Regenerate. 2017-01-17 Jonathan Wakely 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 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 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 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 * 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 PR libstdc++/65411 * config/io/basic_file_stdio.cc (__basic_file::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 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 * 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 PR libstdc++/78361 * include/std/type_traits (__is_referenceable): Handle noexcept function types. 2017-01-12 Jonathan Wakely 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 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 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::_M_reset_impl): Use _index_type for comparison with variant_npos. (_Variant_storage::__index_type): New. (_Variant_storage::_M_index): Change the type from size_t to __index_type. (_Variant_storage::__index_type): New. (_Variant_storage::_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 * 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 * 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 Jonathan Wakely * 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 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 Aditya Kumar PR libstdc++/66414 * include/bits/basic_string.tcc (basic_string::find(const CharT*, size_type, size_type)): Optimize. 2017-01-06 Jonathan Wakely * 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 header. PR libstdc++/78968 * crossconfig.m4: Check for __cxa_thread_atexit on *-*-freebsd*. * configure: Regenerate. 2017-01-06 Barrett Adair Jonathan Wakely * include/std/variant (variant, swap): Replace __and_ usage with fold expressions. 2017-01-06 Rainer Orth 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 * 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 * include/bits/std_function.h (function::_Signature_type): Remove. (function::function(_Functor)): Adjust. 2017-01-05 Tim Shen PR libstdc++/78996 * include/std/variant (__gen_vtable_impl): rename __unused to __dimensions to avoid naming conflict. 2017-01-04 Jonathan Wakely 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 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 Jonathan Wakely 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 * doc/xml/manual/documentation_hacking.xml: sourceforge.net now defaults to https; adjust reference. 2017-01-03 Jonathan Wakely 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 * doc/xml/faq.xml: Update address of C++ ABI link. * doc/xml/manual/abi.xml: Ditto. 2017-01-01 Jakub Jelinek Update copyright years. Copyright (C) 2017 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.