Commit Graph

9844 Commits

Author SHA1 Message Date
Nobody 791447f986 libstdc++-v3 with MCST patches 2022-08-11 23:09:28 +03:00
Richard Biener 6184085fc6 Update ChangeLog and version files for release
From-SVN: r257041
2018-01-25 08:17:27 +00:00
Jonathan Wakely 30e8f455db PR libstdc++/83834 replace wildcard pattern in linker script
Backport from mainline
2018-01-16  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/83834
	* config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
	pattern with exact match for std::cerr.

From-SVN: r256882
2018-01-19 11:25:14 +00:00
Jonathan Wakely 1ee924b55b PR libstdc++/82644 document IS 29124 support
Backport from mainline
2017-10-23  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/intro.xml: Include new section.
	* doc/xml/manual/status_cxxis29124.xml: New section on IS 29124
	status.
	* doc/html/*: Regenerate.

From-SVN: r256863
2018-01-18 20:31:32 +00:00
Jonathan Wakely 6657c57a9f Update references to C++17 in libstdc++ manual
Backport from mainline
2017-10-19  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r256862
2018-01-18 20:31:25 +00:00
Eric Botcazou d60de20fe0 * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
From-SVN: r256755
2018-01-16 20:40:30 +00:00
Jonathan Wakely f43b6a905e Fix type printers for Library Fundamentals types
* python/libstdcxx/v6/printers.py (register_type_printers): Remove
	printer for experimental::any. Fix printers for experimental::optional
	and experimental::basic_string_view.

From-SVN: r256604
2018-01-13 01:53:52 +00:00
Jonathan Wakely b520d0cffb PR libstdc++/83626 simplify filesystem::remove and filesystem::remove_all
Backport from mainline
2018-01-05  Jonathan Wakely  <jwakely@redhat.com>

	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.

From-SVN: r256603
2018-01-13 01:53:47 +00:00
Jonathan Wakely f8e2a3f31e Improve tests for error reporting in Filesystem TS
Backport from mainline
2017-10-19  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r256293
2018-01-05 22:22:33 +00:00
Jonathan Wakely 7a2b2be984 PR libstdc++/83600 fix end iterator for unready std::match_results
Backport from mainline
2017-12-27  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r256292
2018-01-05 22:22:28 +00:00
Jonathan Wakely a6d46487f3 PR libstdc++/83598 don't modify flags passed to std::basic_regex constructors
Backport from mainline
2017-12-27  Jonathan Wakely  <jwakely@redhat.com>

	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.

From-SVN: r256291
2018-01-05 22:22:17 +00:00
Jonathan Wakely 0070e3297e PR libstdc++/83279 handle sendfile not copying entire file
Backport from mainline
2017-12-14  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r256290
2018-01-05 22:22:12 +00:00
Jonathan Wakely 826137607d Avoid redundant calls to filesystem::status_known
Backport from mainline
2018-01-04  Jonathan Wakely  <jwakely@redhat.com>

	* include/experimental/fs_ops.h (exists(const path&, error_code&))):
        Only check status_known once.

From-SVN: r256288
2018-01-05 21:27:29 +00:00
Jonathan Wakely 72eaf75b30 PR libstdc++/83626 Don't report errors when removing non-existent files
Backport from mainline
2018-01-05  Jonathan Wakely  <jwakely@redhat.com>

	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  <jwakely@redhat.com>

	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.

From-SVN: r256287
2018-01-05 21:27:25 +00:00
Jonathan Wakely df7dd7127c PR libstdc++/79283 fix filesystem::read_symlink for /proc
Backport from mainline
2017-10-25  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/79283
	* src/filesystem/ops.cc (read_symlink): Handle st_size being zero.

From-SVN: r256286
2018-01-05 21:27:20 +00:00
Ville Voutilainen 166d8f080c Protect optional's deduction guide with the feature macro
Backport from mainline
2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>

Protect optional's deduction guide with the feature macro
* include/std/optional: Use the feature macro.

From-SVN: r256261
2018-01-04 20:58:29 +02:00
François Dumont cf4a3f0859 backport: re PR libstdc++/82522 (std::map::insert(value_type &&) not selected)
2017-12-28  François Dumont  <fdumont@gcc.gnu.org>

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

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

From-SVN: r256018
2017-12-28 05:37:54 +00:00
Jonathan Wakely 31ceab27a8 PR libstdc++/83427 detect weak result type from noexcept functions
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.

From-SVN: r255652
2017-12-14 17:29:22 +00:00
Jonathan Wakely 3824ac481e PR libstdc++/59568 don't use putback or update value when extraction fails
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.

From-SVN: r255633
2017-12-14 11:53:02 +00:00
Jonathan Wakely 4fb43923ef PR libstdc++/83395 fix invocable traits for INVOKE<cv void>
PR libstdc++/83395
	* include/std/type_traits (__is_invocable_impl): Remove partial
	specialization for INVOKE<void> and restore is_void<R> check in
	primary template.
	(__is_nt_invocable_impl): Likewise.
	* testsuite/20_util/is_invocable/83395.cc: New test.
	* testsuite/20_util/is_nothrow_invocable/83395.cc: New test.

From-SVN: r255585
2017-12-12 18:07:24 +00:00
Jonathan Wakely 50748fad7c PR libstdc++/82522 overload map insert functions for rvalues (LWG 2354)
Backport from mainline
2017-10-13  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r255330
2017-12-01 17:50:59 +00:00
Jonathan Wakely 2a8f244b91 PR libstdc++/83134 Ensure std::__not_ converts B::value to bool
Backport from mainline
2017-11-23  Jonathan Wakely  <jwakely@redhat.com>

	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.

From-SVN: r255329
2017-12-01 17:12:23 +00:00
Jonathan Wakely 526e9a2a50 Add noexcept to std::integral_constant members
Backport from mainline
2017-12-01  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r255328
2017-12-01 17:12:18 +00:00
Jonathan Wakely 32d94e772e Add noexcept to std::shared_future copy operations (LWG DR 2799)
Backport from mainline
2017-11-16  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r255327
2017-12-01 17:12:15 +00:00
Jonathan Wakely c210258bae Add noexcept to generic std::size, std::empty and std::data
Backport from mainline
2017-11-15  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r255326
2017-12-01 17:12:11 +00:00
Jonathan Wakely e737fc0cba PR libstdc++/82685 add 'noexcept' to string_view literals
Backport from mainline
2017-10-24  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r255325
2017-12-01 17:12:07 +00:00
Jonathan Wakely c4e8c8d71c PR libstdc++/83226 avoid forming pointer-to-reference type
Backport from mainline
2017-11-30  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r255324
2017-12-01 17:12:04 +00:00
Jonathan Wakely 54482a130a Fix typo in std::wbuffer_convert
Backport from mainline
2017-11-14  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r255323
2017-12-01 17:11:59 +00:00
Jonathan Wakely 051af3f55f Remove _Node_insert_return::get() member functions (P0508R0)
Backport from mainline
2017-11-03  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r255322
2017-12-01 17:11:55 +00:00
Jonathan Wakely 21197715b3 Update C++17 library status documentation
* 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.

From-SVN: r254080
2017-10-25 15:18:43 +01:00
Jonathan Wakely 032c672c5c PR libstdc++/81395 fix crash when write follows large read
Backport from mainline
2017-07-18  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r254015
2017-10-23 18:16:38 +01:00
Jonathan Wakely 30be09e339 Fix invalid path::iterator test
* testsuite/experimental/filesystem/path/itr/traversal.cc: Do not
	increment past-the-end iterators.

From-SVN: r253968
2017-10-21 02:16:57 +01:00
Jonathan Wakely dc0d363ff9 Update value of __cpp_lib_chrono feature-test macro
* 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.

From-SVN: r253960
2017-10-20 22:06:20 +01:00
Jonathan Wakely 37f7230a10 Define __cpp_lib_byte feature-test macro
* include/c_global/cstddef: Define __cpp_lib_byte feature-test macro.
	* testsuite/18_support/byte/requirements.cc: Check macro.

From-SVN: r253953
2017-10-20 19:19:09 +01:00
Jonathan Wakely 774310c50c PR libstdc++/82481 Suppress clang-tidy warnings
Backport from mainline
2017-10-13  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r253944
2017-10-20 16:14:33 +01:00
Jonathan Wakely 7759a387e2 PR libstdc++/79433 no #error for including headers with wrong -std
Backport from mainline
2017-09-12  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r253943
2017-10-20 16:14:29 +01:00
Jonathan Wakely 24aeb1b939 Fix path::iterator post-increment and post-decrement
Backport from mainline
2017-10-19  Jonathan Wakely  <jwakely@redhat.com>

	* 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.

From-SVN: r253942
2017-10-20 16:14:23 +01:00
Jonathan Wakely 6445b688e5 Fix tests for std::clamp
* 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.

From-SVN: r253053
2017-09-21 11:11:21 +01:00
Jonathan Wakely 7899221766 Fix libstdc++ testsuite failures with -D_GLIBCXX_USE_CXX11_ABI=0
Backport from mainline
2017-06-14  Jonathan Wakely  <jwakely@redhat.com>

	* 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.

From-SVN: r253039
2017-09-20 23:26:26 +01:00
Jonathan Wakely ae6af5239b PR libstdc++/79162 Fix std::string regression due to LWG 2946 (old ABI)
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.

From-SVN: r253038
2017-09-20 23:26:19 +01:00
Jonathan Wakely 094932a3c3 PR libstdc++/79162 Fix std::string regression due to LWG 2946
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.

From-SVN: r253025
2017-09-20 19:52:56 +01:00
Jonathan Wakely 7ef7062dbc Fix failing C++17 test
* testsuite/24_iterators/range_access_cpp17.cc: Fix order of dg-do
	and dg-options directives. Fix invalid test.

From-SVN: r253020
2017-09-20 17:51:03 +01:00
Jonathan Wakely 6c8a90ba12 PR libstdc++/82262 fix std::hash<std::optional<const T>>
PR libstdc++/82262
	* include/std/optional (__optional_hash_call_base): Add template
	parameter for remove_const_t<_Tp> and use it consistently.
	* testsuite/20_util/optional/hash.cc: Test optional<const T>.

From-SVN: r253015
2017-09-20 15:22:29 +01:00
Jonathan Wakely 598c1fda3c PR libstdc++/82254 fix std::is_nothrow_invocable_r w.r.t throwing conversions
PR libstdc++/82254
	* include/std/type_traits (__is_invocable): Add partial specialization
	for INVOKE<void> case and remove is_void<R> check from partial
	specialization for INVOKE<R> case.
	(__is_nt_invocable_impl): New helper for is_nothrow_invocable_r.
	(is_nothrow_invocable_r): Use __is_nt_invocable_impl.
	* testsuite/20_util/is_nothrow_invocable/value.cc: Add tests for
	conversions that can throw or fail to convert. Use static assert
	strings to explain negative results.
	* testsuite/20_util/is_nothrow_invocable/value_ext.cc: Use
	is_nothrow_constructible in is_nt_invocable_conv.

From-SVN: r253014
2017-09-20 15:22:25 +01:00
Jonathan Wakely 12657787f9 PR libstdc++/79162 implement LWG 2946 and LWG 2758
Backport from mainline
2017-09-04  Daniel Kruegler  <daniel.kruegler@gmail.com>

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

From-SVN: r252337
2017-09-13 17:38:47 +01:00
Jonathan Wakely c2f99c9d9a PR libstdc++/81468 constrain std::chrono::time_point constructor
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.

From-SVN: r252090
2017-09-13 16:20:21 +01:00
Jonathan Wakely 61068cc174 Fix broken URLs in libstdc++ API docs
* doc/doxygen/mainpage.html: Fix broken URLs.

From-SVN: r252071
2017-09-13 11:22:35 +01:00
Jonathan Wakely a9b45e7046 PR libstdc++/81835 fix broken URLs in libstdc++ docs
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.

From-SVN: r252067
2017-09-13 11:07:25 +01:00
Jonathan Wakely e38bde5423 PR libstdc++/70483 make std::experimental::string_view fully constexpr
Backport from mainline
2017-09-12  Jonathan Wakely  <jwakely@redhat.com>

	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.

From-SVN: r252032
2017-09-12 17:27:14 +01:00
Jonathan Wakely 53e7178da5 PR libstdc++/70483 make std::string_view fully constexpr
Backport from mainline
2017-09-11  Jonathan Wakely  <jwakely@redhat.com>

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

From-SVN: r252031
2017-09-12 17:27:09 +01:00