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3872 Commits

Author SHA1 Message Date
Edward Smith-Rowland
b46881363f PR libstdc++/pr66689 - comp_ellint_3 and ellint_3 return garbage values 
2017-11-18  Edward Smith-Rowland  <3dw4rd@verizon.net>

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

From-SVN: r254924
 2017-11-19 01:01:50 +00:00
Edward Smith-Rowland
a7a389d6ee specfun.h: Expose airy_ai and airy_bi. 
2017-11-18  Edward Smith-Rowland  <3dw4rd@verizon.net>

	* include/bits/specfun.h: Expose airy_ai and airy_bi.
	* include/tr1/modified_bessel_func.tcc: Treat NaN and inf arg, return.
	* testsuite/ext/special_functions/airy_ai/check_nan.cc: New.
	* testsuite/ext/special_functions/airy_ai/check_value.cc: New.
	* testsuite/ext/special_functions/airy_ai/compile.cc: New.
	* testsuite/ext/special_functions/airy_bi/check_nan.cc: New.
	* testsuite/ext/special_functions/airy_bi/check_value.cc: New.
	* testsuite/ext/special_functions/airy_bi/compile.cc: New.

From-SVN: r254917
 2017-11-18 19:53:25 +00:00
Igor Tsimbalist
36101de964 Enable building libstdc++-v3 with Intel CET 
libstdc++-v3/
	* acinclude.m4: Add cet.m4.
	* configure.ac: Set CET_FLAGS. Update EXTRA_CFLAGS,
	EXTRA_CXX_FLAGS.
	* libsupc++/Makefile.am: Use Add EXTRA_CFLAGS.
	* Makefile.in: Regenerate.
	* configure: Likewise.
	* doc/Makefile.in: Likewise.
	* include/Makefile.in: Likewise.
	* libsupc++/Makefile.in: Likewise.
	* po/Makefile.in: Likewise.
	* python/Makefile.in: Likewise.
	* src/Makefile.in: Likewise.
	* src/c++11/Makefile.in: Likewise.
	* src/c++98/Makefile.in: Likewise.
	* src/filesystem/Makefile.in: Likewise.
	* testsuite/Makefile.in: Likewise.

From-SVN: r254895
 2017-11-17 22:28:10 +01:00
Jonathan Wakely
96e0367ead PR libstdc++/83025 fix constraints for path overloads in <fstream> 
PR libstdc++/83025
	* include/std/fstream (basic_filebuf::_If_path): Move to
	namespace-scope and rename to _If_fs_path.
	(basic_filebuf::open): Use new name.
	(basic_ifstream(_Path, ios::openmode))
	(basic_ifstream::open(_Path, ios::openmode))
	(basic_ofstream(_Path, ios::openmode))
	(basic_ofstream::open(_Path, ios::openmode))
	(basic_fstream(_Path, ios::openmode))
	(basic_fstream::open(_Path, ios::openmode)): Use _If_fs_path.
	* testsuite/27_io/basic_filebuf/open/char/path.cc: Test with filename
	as non-const char*.
	* testsuite/27_io/basic_fstream/cons/char/path.cc: Likewise.
	* testsuite/27_io/basic_fstream/open/char/path.cc: Likewise.
	* testsuite/27_io/basic_ifstream/cons/char/path.cc: Likewise.
	* testsuite/27_io/basic_ifstream/open/char/path.cc: Likewise.
	* testsuite/27_io/basic_ofstream/cons/char/path.cc: Likewise.
	* testsuite/27_io/basic_ofstream/open/char/path.cc: Likewise.

From-SVN: r254871
 2017-11-17 14:07:58 +00:00
Jonathan Wakely
4e6c429837 Minor improvements to Filesystem tests 
* testsuite/27_io/filesystem/iterators/directory_iterator.cc: Leave
	error_code unset.
	* testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
	Check for past-the-end before dereferencing.
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Likewise.

From-SVN: r254781
 2017-11-15 18:22:43 +00:00
Ville Voutilainen
13545f19e0 Implement LWG 2733 and LWG 2759 
* include/experimental/numeric (gcd): Reject cv-qualified bool.
(lcm): Likewise.
* include/std/numeric (gcd): Likewise.
(lcm): Likewise.
* testsuite/26_numerics/gcd/gcd_neg.cc: Add tests and adjust.
* testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.

From-SVN: r254736
 2017-11-14 20:11:33 +02:00
Jonathan Wakely
d2e9196e5f Fix typo in std::wbuffer_convert 
* include/bits/locale_conv.h (wbuffer_convert::_M_conv_get): Fix typo.
	* testsuite/22_locale/conversions/buffer/3.cc: New test.

From-SVN: r254735
 2017-11-14 18:00:53 +00:00
Jonathan Wakely
34c71b8b3a Minor tweak to libstdc++ testsuite helper type 
* testsuite/util/testsuite_tr1.h (ThrowMoveConsClass): Use noexcept.

From-SVN: r254644
 2017-11-11 00:10:07 +00:00
François Dumont
187e8ee733 tr1.cc: Compile with -O0. 
2017-11-06  François Dumont  <fdumont@gcc.gnu.org>

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

From-SVN: r254477
 2017-11-06 21:15:48 +00:00
Martin Liska
454f8b2b0c Fix -Wreturn-type fallout. 
2017-11-06  Martin Liska  <mliska@suse.cz>

	* c-c++-common/cilk-plus/AN/pr57541-2.c (foo1): Return a value
	for functions with non-void return type, or change type to void,
	or add -Wno-return-type for test.
	(foo2): Likewise.
	* c-c++-common/cilk-plus/AN/pr57541.c (foo): Likewise.
	(foo1): Likewise.
	* c-c++-common/cilk-plus/CK/errors.c: Likewise.
	* c-c++-common/cilk-plus/CK/pr60197.c: Likewise.
	* c-c++-common/cilk-plus/CK/spawn_in_return.c: Likewise.
	* c-c++-common/fold-masked-cmp-1.c (test_pic): Likewise.
	(test_exe): Likewise.
	* c-c++-common/fold-masked-cmp-2.c (test_exe): Likewise.
	* g++.dg/cilk-plus/AN/builtin_fn_mutating_tplt.cc (my_func): Likewise.
	* g++.dg/cilk-plus/CK/pr68997.cc (fa2): Likewise.
	* g++.dg/eh/sighandle.C (dosegv): Likewise.
	* g++.dg/ext/vector14.C (foo): Likewise.
	(main): Likewise.
	* g++.dg/graphite/pr41305.C: Likewise.
	* g++.dg/graphite/pr42930.C: Likewise.
	* g++.dg/opt/pr46640.C (struct QBasicAtomicInt): Likewise.
	(makeDir): Likewise.
	* g++.dg/other/i386-8.C (foo): Likewise.
	* g++.dg/pr45788.C: Likewise.
	* g++.dg/pr64688.C (at_c): Likewise.
	* g++.dg/pr65032.C (G::DecodeVorbis): Likewise.
	* g++.dg/pr71633.C (c3::fn2): Likewise.
	* g++.dg/stackprotectexplicit2.C (A): Likewise.
	* g++.old-deja/g++.law/weak.C (main): Likewise.
2017-11-06  Martin Liska  <mliska@suse.cz>

	* testsuite/libgomp.c++/loop-2.C: Return a value
	for functions with non-void return type, or change type to void,
	or add -Wno-return-type for test.
	* testsuite/libgomp.c++/loop-4.C: Likewise.
	* testsuite/libgomp.c++/parallel-1.C: Likewise.
	* testsuite/libgomp.c++/shared-1.C: Likewise.
	* testsuite/libgomp.c++/single-1.C: Likewise.
	* testsuite/libgomp.c++/single-2.C: Likewise.
2017-11-06  Martin Liska  <mliska@suse.cz>

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

From-SVN: r254451
 2017-11-06 13:41:35 +00:00
Paolo Carlini
98910bc2b9 deduction.cc: Avoid -Wreturn-type warnings. 
2017-11-06  Paolo Carlini  <paolo.carlini@oracle.com>

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

From-SVN: r254450
 2017-11-06 12:55:35 +00:00
Jonathan Wakely
e641ee437f Define std::endian for C++2a (P0463R1) 
* include/std/type_traits (endian): Define new enumeration type.
	* testsuite/20_util/endian/1.cc: New test.

From-SVN: r254381
 2017-11-03 15:45:49 +00:00
Jonathan Wakely
50e248f0c8 PR libstdc++/82777 fix path normalization for dot-dot 
PR libstdc++/82777
	* src/filesystem/std-path.cc (path::lexically_normal): Remove dot-dot
	elements correctly.
	* testsuite/27_io/filesystem/path/generation/normal.cc: Add testcase.
	* testsuite/util/testsuite_fs.h (compare_paths): Improve exception
	text.

From-SVN: r254317
 2017-11-01 17:09:14 +00:00
Ville Voutilainen
ccbbf8df05 Implement LWG 2485 
* include/debug/array (get(const array<_Tp, _Nm>&&)): New.
* include/std/array (get(const array<_Tp, _Nm>&&)): Likewise.
* include/std/tuple (get(const tuple<_Elements...>&&)): Likewise.
(get(const tuple<_Types...>&&)): Likewise.
* include/std/utility
(__pair_get::__const_move_get(const std::pair<_Tp1, _Tp2>&&)):
Likewise.
(get(const std::pair<_Tp1, _Tp2>&&)): Likewise.
(get(const pair<_Tp, _Up>&&)): Likewise.
(get(const pair<_Up, _Tp>&&)): Likewise.
* testsuite/20_util/pair/astuple/get.cc: Add tests for
new overloads.
* testsuite/20_util/pair/astuple/get_by_type.cc: Likewise.
* testsuite/20_util/tuple/element_access/get2.cc: Likewise.
* testsuite/20_util/tuple/element_access/get2_by_type.cc: Likewise.
* testsuite/23_containers/array/tuple_interface/get.cc: Likewise.
* testsuite/23_containers/array/tuple_interface/tuple_element_debug_neg.cc:
Adjust.
* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
Likewise.

From-SVN: r254222
 2017-10-30 16:31:04 +02:00
Jonathan Wakely
9a3effa411 Make filesystem::file_status default constructor non-explicit (LWG 2787) 
* include/bits/fs_dir.h (file_status): Make default constructor
	non-explicit (LWG 2787).
	* testsuite/27_io/filesystem/file_status/1.cc: New test.
	* testsuite/experimental/filesystem/file_status/1.cc: New test.

From-SVN: r254159
 2017-10-27 18:49:21 +01:00
Jonathan Wakely
d49f254a6c Provide filesystem::path overloads for file streams (LWG 2676, partial) 
* include/std/fstream (basic_filebuf::_If_path): New SFINAE helper.
	(basic_filebuf::open<Path>(const Path&, const ios_base::openmode&))
	(basic_ifstream<Path>(const Path&, const ios_base::openmode&))
	(basic_ifstream::open<Path>(const Path&, const ios_base::openmode&))
	(basic_ofstream<Path>(const Path&, const ios_base::openmode&))
	(basic_ofstream::open<Path>(const Path&, const ios_base::openmode&))
	(basic_fstream<Path>(const Path&, const ios_base::openmode&))
	(basic_fstream::open<Path>(const Path&, const ios_base::openmode&)):
	New constructors and member functions.
	* testsuite/27_io/basic_filebuf/open/char/path.cc: New test.
	* testsuite/27_io/basic_fstream/cons/char/path.cc: New test.
	* testsuite/27_io/basic_fstream/open/char/path.cc: New test.
	* testsuite/27_io/basic_ifstream/cons/char/path.cc: New test.
	* testsuite/27_io/basic_ifstream/open/char/path.cc: New test.
	* testsuite/27_io/basic_ofstream/cons/char/path.cc: New test.
	* testsuite/27_io/basic_ofstream/open/char/path.cc: New test.

From-SVN: r254148
 2017-10-27 13:39:01 +01:00
Jonathan Wakely
0348dd008a Define std::filesystem::path::format enum (P0430R2) 
* include/bits/fs_path.h (path::format): Define new enumeration type.
	(path(string_type&&), path<Source>(const Source&))
	(path<InputIterator>(InputIterator, InputIterator))
	(path<Source>(const Source&, const locale&))
	(path<InputIterator>(InputIterator, InputIterator, const locale&)):
	Add format parameter.
	* testsuite/27_io/filesystem/path/construct/format.cc: New test.

From-SVN: r254144
 2017-10-27 13:01:49 +01:00
Jonathan Wakely
d67be4437a Protect more algorithms from overloaded comma operators 
* include/bits/stl_algo.h (__find_if_not_n, generate_n): Cast to void
	to ensure overloaded comma not used.
	* include/bits/stl_algobase.h (__fill_n_a, equal): Likewise.
	* include/bits/stl_uninitialized.h (__uninitialized_fill_n)
	(__uninitialized_fill_n_a, __uninitialized_default_n_1)
	(__uninitialized_default_n_a, __uninitialized_copy_n)
	(__uninitialized_copy_n_pair): Likewise
	* testsuite/20_util/specialized_algorithms/memory_management_tools/1.cc:
	Use test iterator wrappers with overloaded comma operator.
	* testsuite/25_algorithms/fill_n/1.cc: Likewise.
	* testsuite/25_algorithms/generate_n/1.cc: New test.
	* testsuite/25_algorithms/stable_partition/1.cc: New test.
	* testsuite/util/testsuite_iterators.h (operator,): Add deleted
	non-member comma operator with iterator wrappers as right operand.

From-SVN: r254128
 2017-10-27 00:50:40 +01:00
Ville Voutilainen
957f5feacf Deduction guides for associative containers, debug mode deduction guide fixes. 
* include/bits/stl_iterator.h (__iter_key_t)
(__iter_val_t, __iter_to_alloc_t): New.
* include/bits/stl_map.h: Add deduction guides.
* include/bits/stl_multimap.h: Likewise.
* include/bits/stl_multiset.h: Likewise.
* include/bits/stl_set.h: Likewise.
* include/bits/unordered_map.h: Likewise.
* include/bits/unordered_set.h: Likewise.
* include/debug/deque: Likewise.
* include/debug/forward_list: Likewise.
* include/debug/list: Likewise.
* include/debug/map.h: Likewise.
* include/debug/multimap.h: Likewise.
* include/debug/multiset.h: Likewise.
* include/debug/set.h: Likewise.
* include/debug/unordered_map: Likewise.
* include/debug/unordered_set: Likewise.
* include/debug/vector: Likewise.
* testsuite/23_containers/map/cons/deduction.cc: New.
* testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
* testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
* testsuite/23_containers/set/cons/deduction.cc: Likewise.
* testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
* testsuite/23_containers/unordered_multimap/cons/deduction.cc:
Likewise.
* testsuite/23_containers/unordered_multiset/cons/deduction.cc:
Likewise.
* testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.

From-SVN: r254113
 2017-10-26 19:42:31 +03:00
Jonathan Wakely
eeb517d3e7 Fix filesystem::path::lexically_normal algorithm 
* src/filesystem/std-path.cc (path::lexically_normal): Add missing
	step to algorithm, for removing dot-dot elements after root-directory.
	* testsuite/27_io/filesystem/operations/canonical.cc: Use
	compare_paths for more exhaustive checks.
	* testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
	* testsuite/27_io/filesystem/path/append/path.cc: Likewise.
	* testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
	* testsuite/27_io/filesystem/path/concat/strings.cc: Fix comment.
	* testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
	* testsuite/27_io/filesystem/path/decompose/root_directory.cc:
	Likewise.
	* testsuite/27_io/filesystem/path/generation/normal.cc: Use
	compare_paths for more exhaustive checks. Add extra testcases.
	* testsuite/27_io/filesystem/path/generation/proximate.cc: Use
	compare_paths for more exhaustive checks.
	* testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
	* testsuite/27_io/filesystem/path/generic/generic_string.cc: Remove
	unused header.
	* testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: Fix
	comment.
	* testsuite/27_io/filesystem/path/modifiers/remove_filename.cc: Use
	compare_paths for more exhaustive checks.
	* testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
	Likewise.
	* testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
	Likewise.
	* testsuite/util/testsuite_fs.h (compare_paths): Also compare native
	strings.

From-SVN: r254075
 2017-10-25 13:42:53 +01:00
Jonathan Wakely
e921c7e5a6 PR libstdc++/82706 fix test for case where operations succeed 
PR libstdc++/82706
	* testsuite/27_io/filesystem/operations/permissions.cc: Fix test.

From-SVN: r254067
 2017-10-25 01:27:10 +01:00
François Dumont
8468bfe8cb libstdc++.exp (check_v3_target_normal_mode): Add c++config.h include. 
2017-10-24  François Dumont  <fdumont@gcc.gnu.org>

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

From-SVN: r254060
 2017-10-24 20:20:12 +00:00
Jonathan Wakely
641cb5a675 Implement C++17 Filesystem library 
Based on Filesystem TS implementation, with the changes applied by:

- P0219R1 Relative Paths for Filesystem
- P0317R1 Directory Entry Caching for Filesystem
- P0492R2 Resolution of C++17 National Body Comments

Where appropriate code is shared between the TS and C++17
implementations.

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

From-SVN: r254008
 2017-10-23 13:11:22 +01:00
Jonathan Wakely
908d1d3aea PR libstdc++/82644 document IS 29124 support 
Also fix declarations of special functions in C++17, to import them into
the global namespace in <math.h>, and to prevent defining the
non-standard hypergeometric functions in strict mode.

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

From-SVN: r254004
 2017-10-23 12:10:28 +01:00
Jonathan Wakely
dfdf2839b5 Fix invalid path::iterator test 
* testsuite/experimental/filesystem/path/itr/traversal.cc: Do not
	increment past-the-end iterators.

From-SVN: r253967
 2017-10-21 02:16:43 +01:00
Jonathan Wakely
233fa165ad 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: r253959
 2017-10-20 22:05:11 +01:00
Jonathan Wakely
253e8d2150 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: r253952
 2017-10-20 19:02:19 +01:00
Jonathan Wakely
db62ad7c66 Improve tests for error reporting in Filesystem TS 
* 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: r253897
 2017-10-19 14:57:10 +01:00
Jonathan Wakely
551124d561 Fix path::iterator post-increment and post-decrement 
* 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: r253896
 2017-10-19 14:57:06 +01:00
Jonathan Wakely
af23b26ab0 Use __LONG_LONG_MAX__ instead of LONG_LONG_MAX in test 
* testsuite/decimal/conversion-to-integral.cc: Use predefined macro
	instead of non-standard glibc one.

From-SVN: r253894
 2017-10-19 14:56:55 +01:00
François Dumont
1be043a140 re PR libstdc++/82558 (V8 JavaScript engine segfaults since r249235) 
2017-10-16  François Dumont  <fdumont@gcc.gnu.org>

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

From-SVN: r253776
 2017-10-16 05:44:03 +00:00
Jonathan Wakely
3b0dd4fea2 PR libstdc++/82522 overload map insert functions for rvalues (LWG 2354) 
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: r253725
 2017-10-13 13:39:32 +01:00
Jonathan Wakely
5d2b807526 PR libstdc++/82417 do not include C99 <complex.h> in strict modes 
As an extension the C++ version of <complex.h> includes the C version,
but that defines macros with non-reserved names that should not be
defined in ISO C++. Only include the C header for non-strict modes, or
for pre-C++11 (because C++98 doesn't mention <complex.h> at all).

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

From-SVN: r253581
 2017-10-10 12:25:45 +01:00
Jonathan Wakely
e58683fb9f Fix new testsuite failure on newlib targets 
* testsuite/20_util/to_chars/1.cc: Add dg-require-string-conversions.

From-SVN: r253463
 2017-10-05 21:26:08 +01:00
Petr Ovtchenkov
4e91452412 2017-10-04 Petr Ovtchenkov <ptr@void-ptr.info> 
François Dumont  <fdumont@gcc.gnu.org>

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

Co-Authored-By: François Dumont <fdumont@gcc.gnu.org>

From-SVN: r253417
 2017-10-04 16:15:18 +00:00
Jonathan Wakely
804b7cc438 C++17 P0067R5 std::to_chars and std::from_chars (partial) 
This adds the integral overloads of std::to_chars and std::from_chars,
including the changes made by P0682R0. Support for floating point types
is absent.

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

From-SVN: r253353
 2017-10-02 15:06:40 +01:00
François Dumont
c320262396 22131.cc: Make test less istreambuf_iterator implementation dependent. 
2017-09-27  François Dumont  <fdumont@gcc.gnu.org>

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

From-SVN: r253237
 2017-09-27 20:16:43 +00:00
Jonathan Wakely
f3f08c3f03 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: r253051
 2017-09-21 10:59:55 +01:00
Jonathan Wakely
4cf5930fdc 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: r253024
 2017-09-20 18:59:50 +01:00
Jonathan Wakely
e18f68c715 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: r253019
 2017-09-20 17:34:53 +01:00
Jonathan Wakely
95ed529d34 PR libstdc++/81469 deprecate std::uncaught_exception for C++17 
PR libstdc++/81469
	* libsupc++/exception (uncaught_exception): Deprecate for C++17.
	* testsuite/18_support/exception_ptr/62258.cc: Add -Wno-deprecated.
	* testsuite/18_support/uncaught_exception/14026.cc: Likewise.

From-SVN: r253018
 2017-09-20 17:34:49 +01:00
Jonathan Wakely
f6b05c44aa 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: r253010
 2017-09-20 14:24:45 +01:00
Jonathan Wakely
23b49089a4 PR libstdc++/71500 restore C++11 compatibility in <regex> 
PR libstdc++/71500
	* include/bits/regex_executor.tcc
	(_Backref_matcher<BidIt, regex_traits<C>>::_M_apply): Use
	std::__equal4 instead of C++14 4-iterator overloads of std::equal.
	* include/bits/stl_algobase.h (__equal4): New functions implementing
	4-iterator overloads of std::equal for use in C++11.
	(equal(It1, It1, It2, It2), equal(It1, It1, It2, It2, BinaryPred)):
	Move function bodies to new __equal4 functions.
	* testsuite/28_regex/simple_c++11.cc: New.

From-SVN: r252981
 2017-09-19 18:06:12 +01:00
Jonathan Wakely
c4b06e7f1d 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: r252977
 2017-09-19 15:33:51 +01:00
Jonathan Wakely
e1227692dd PR libstdc++/81468 fix test for duration conversions 
PR libstdc++/81468
	* testsuite/20_util/duration/cons/dr1177.cc: Fix incorrect test and
	improve static assertion messages.

From-SVN: r252950
 2017-09-18 21:00:32 +01:00
Jonathan Wakely
ec26ff5a01 PR libstdc++/71187 reimplement declval without add_rvalue_reference 
PR libstdc++/71187
	* include/std/type_traits (__declval): New function to deduce return
	type of declval.
	(__declval_protector::_delegate): Remove.
	(declval): Use __declval instead of add_rvalue_reference and
	__declval_protector::__delegate.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
	lineno.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.

From-SVN: r252922
 2017-09-18 12:40:10 +01:00
Jakub Jelinek
7b9361409d invoke.texi: Document -std=c++17 and -std=gnu++17 and document c++1z and gnu++1z as deprecated. 
* doc/invoke.texi: Document -std=c++17 and -std=gnu++17 and document
	c++1z and gnu++1z as deprecated.  Change other references to
	-std=c++1z to -std=c++17 and -std=gnu++1z to -std=gnu++17.
	Change -Wc++1z-compat to -Wc++17-compat.
	* doc/cpp.texi: Document -std=c++17 defines __cplusplus 201703L.
	* dwarf2out.c (highest_c_language): Handle C++17.
	(gen_compile_unit_die): Likewise.
c-family/
	* c.opt (Wc++1z-compat): Change from option to undocumented alias.
	(Wc++17-compat): Change from undocumented alias to option.
	(Wnoexcept-type): Enable by Wc++17-compat instead of Wc++1z-compat,
	change C++1z to C++17 in description.
	(std=c++1z, std=gnu++1z): Change from option to undocumented
	deprecated alias.
	(std=c++17, std=gnu++17): Change from undocumented alias to option.
	Adjust description.
	* c-common.h (enum cxx_dialect): Rename cxx1z to cxx17.
	* c-opts.c (set_std_cxx1z): Rename to ...
	(set_std_cxx17): ... this.
	(c_common_handle_option): Rename OPT_std_c__1z to OPT_std_c__17
	and OPT_std_gnu__1z to OPT_std_gnu__17.  Adjust set_std_cxx1z
	caller.  
	(c_common_post_options): Use cxx17 instead of cxx1z.  Adjust
	comments.
cp/
	* decl.c (redeclaration_error_message): Use cxx17 instead of cxx1z,
	adjust diagnostics refering to C++1z or -std=gnu++1z or -std=c++1z
	to C++17 or -std=gnu++17 or -std=c++17.  Adjust comments.
	(cxx_init_decl_processing, next_initializable_field,
	is_direct_enum_init, check_initializer, cp_finish_decl,
	mark_inline_variable, grokdeclarator, grokparms, xref_basetypes,
	finish_function): Likewise.
	* cp-tree.h (DECL_INLINE_VAR_P): Likewise.
	* pt.c (mark_template_parm, convert_nontype_argument,
	instantiate_class_template_1, type_unification_real, unify,
	get_partial_spec_bindings, dependent_type_p_r): Likewise.
	* typeck.c (cp_build_unary_op): Likewise.
	* constexpr.c (var_in_maybe_constexpr_fn): Likewise.
	* call.c (build_user_type_conversion_1, build_over_call,
	build_special_member_call): Likewise.
	* lambda.c (begin_lambda_type): Likewise.
	* typeck2.c (process_init_constructor_record): Likewise.
	* class.c (build_base_field, finalize_literal_type_property,
	explain_non_literal_class): Likewise.
	* parser.c (cp_parser_diagnose_invalid_type_name,
	cp_parser_primary_expression, cp_parser_lambda_introducer,
	cp_parser_lambda_declarator_opt, cp_parser_selection_statement,
	cp_convert_range_for, cp_parser_perform_range_for_lookup,
	cp_parser_decomposition_declaration, cp_parser_linkage_specification,
	cp_parser_static_assert, cp_parser_simple_type_specifier,
	cp_parser_namespace_definition, cp_parser_using_declaration,
	cp_parser_init_declarator, cp_parser_type_parameter_key,
	cp_parser_exception_specification_opt, cp_parser_std_attribute_spec,
	cp_parser_constructor_declarator_p): Likewise.
	* mangle.c (struct globals): Rename need_cxx1z_warning to
	need_cxx17_warning.
	(write_exception_spec, start_mangling, mangle_decl): Likewise.
	* Make-lang.in (check-c++1z): Rename to check-c++17, depend on
	it.
	(check-c++17): New goal.  Use 17 instead of 1z.
	(check-c++-all): Use 17 instead of 1z.
testsuite/
	* lib/g++-dg.exp (g++-dg-runtest): Use 17 instead of 1z.
	* lib/target-supports.exp (check_effective_target_c++14): Use
	check_effective_target_c++17 instead of check_effective_target_c++1z.
	(check_effective_target_c++14_down): Likewise.
	(check_effective_target_c++1z_only): Rename to ...
	(check_effective_target_c++17_only): ... this.
	(check_effective_target_c++1z): Rename to ...
	(check_effective_target_c++17): ... this.
	* g++.dg/debug/dwarf2/inline-var-1.C: Use -std=c++17 or -std=gnu++17
	instead of -std=c++1z or -std=gnu++1z.  Use c++17 instead of c++1z
	and c++17_only instead of c++1z_only.  Adjust expected diagnostics
	and comments refering to 1z to 17.
	* g++.dg/debug/dwarf2/inline-var-2.C: Likewise.
	* g++.dg/template/partial5.C: Likewise.
	* g++.dg/template/nontype8.C: Likewise.
	* g++.dg/cpp1z/noexcept-type5.C: Likewise.
	* g++.dg/cpp1z/nontype3a.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda4.C: Likewise.
	* g++.dg/cpp1z/noexcept-type16.C: Likewise.
	* g++.dg/cpp1z/class-deduction32.C: Likewise.
	* g++.dg/cpp1z/pr78771.C: Likewise.
	* g++.dg/cpp1z/elide1.C: Likewise.
	* g++.dg/cpp1z/fold3.C: Likewise.
	* g++.dg/cpp1z/class-deduction2.C: Likewise.
	* g++.dg/cpp1z/noexcept-type12.C: Likewise.
	* g++.dg/cpp1z/inline-var2.C: Likewise.
	* g++.dg/cpp1z/eval-order2.C: Likewise.
	* g++.dg/cpp1z/decomp21.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda11.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda9.C: Likewise.
	* g++.dg/cpp1z/utf8-neg.C: Likewise.
	* g++.dg/cpp1z/class-deduction41.C: Likewise.
	* g++.dg/cpp1z/class-deduction23.C: Likewise.
	* g++.dg/cpp1z/nodiscard3.C: Likewise.
	* g++.dg/cpp1z/static_assert-nomsg.C: Likewise.
	* g++.dg/cpp1z/noexcept-type9.C: Likewise.
	* g++.dg/cpp1z/class-deduction21.C: Likewise.
	* g++.dg/cpp1z/range-for1.C: Likewise.
	* g++.dg/cpp1z/init-statement4.C: Likewise.
	* g++.dg/cpp1z/udlit-utf8char.C: Likewise.
	* g++.dg/cpp1z/decomp30.C: Likewise.
	* g++.dg/cpp1z/class-deduction39.C: Likewise.
	* g++.dg/cpp1z/register2.C: Likewise.
	* g++.dg/cpp1z/decomp9.C: Likewise.
	* g++.dg/cpp1z/regress1.C: Likewise.
	* g++.dg/cpp1z/direct-enum-init1.C: Likewise.
	* g++.dg/cpp1z/class-deduction30.C: Likewise.
	* g++.dg/cpp1z/abbrev2.C: Likewise.
	* g++.dg/cpp1z/nontype-auto6.C: Likewise.
	* g++.dg/cpp1z/regress2.C: Likewise.
	* g++.dg/cpp1z/decomp16.C: Likewise.
	* g++.dg/cpp1z/bool-increment1.C: Likewise.
	* g++.dg/cpp1z/aligned-new1.C: Likewise.
	* g++.dg/cpp1z/decomp3.C: Likewise.
	* g++.dg/cpp1z/register1.C: Likewise.
	* g++.dg/cpp1z/namespace-attribs.C: Likewise.
	* g++.dg/cpp1z/class-deduction1.C: Likewise.
	* g++.dg/cpp1z/decomp10.C: Likewise.
	* g++.dg/cpp1z/constexpr-if11.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda10.C: Likewise.
	* g++.dg/cpp1z/decomp27.C: Likewise.
	* g++.dg/cpp1z/noexcept-type2.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda6.C: Likewise.
	* g++.dg/cpp1z/class-deduction9.C: Likewise.
	* g++.dg/cpp1z/attributes-enum-1.C: Likewise.
	* g++.dg/cpp1z/decomp11.C: Likewise.
	* g++.dg/cpp1z/aligned-new3.C: Likewise.
	* g++.dg/cpp1z/utf8-2.C: Likewise.
	* g++.dg/cpp1z/lambda-this3.C: Likewise.
	* g++.dg/cpp1z/decomp-constexpr1.C: Likewise.
	* g++.dg/cpp1z/byte1.C: Likewise.
	* g++.dg/cpp1z/nontype-auto9.C: Likewise.
	* g++.dg/cpp1z/aggr-base4.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda1.C: Likewise.
	* g++.dg/cpp1z/nontype-auto3.C: Likewise.
	* g++.dg/cpp1z/utf8-2a.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda7.C: Likewise.
	* g++.dg/cpp1z/aggr-base6.C: Likewise.
	* g++.dg/cpp1z/cplusplus.C: Likewise.
	* g++.dg/cpp1z/class-deduction20.C: Likewise.
	* g++.dg/cpp1z/aggr-base2.C: Likewise.
	* g++.dg/cpp1z/class-deduction6.C: Likewise.
	* g++.dg/cpp1z/noexcept-type3.C: Likewise.
	* g++.dg/cpp1z/class-deduction31.C: Likewise.
	* g++.dg/cpp1z/class-deduction25.C: Likewise.
	* g++.dg/cpp1z/class-deduction18.C: Likewise.
	* g++.dg/cpp1z/fold9.C: Likewise.
	* g++.dg/cpp1z/noexcept-type8.C: Likewise.
	* g++.dg/cpp1z/abbrev1.C: Likewise.
	* g++.dg/cpp1z/constexpr-if10.C: Likewise.
	* g++.dg/cpp1z/utf8.C: Likewise.
	* g++.dg/cpp1z/noexcept-type7.C: Likewise.
	* g++.dg/cpp1z/aggr-base3.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda8.C: Likewise.
	* g++.dg/cpp1z/init-statement2.C: Likewise.
	* g++.dg/cpp1z/nontype-auto4.C: Likewise.
	* g++.dg/cpp1z/constexpr-if12.C: Likewise.
	* g++.dg/cpp1z/class-deduction40.C: Likewise.
	* g++.dg/cpp1z/nontype3.C: Likewise.
	* g++.dg/cpp1z/class-deduction14.C: Likewise.
	* g++.dg/cpp1z/fold7.C: Likewise.
	* g++.dg/cpp1z/nontype2.C: Likewise.
	* g++.dg/cpp1z/class-deduction15.C: Likewise.
	* g++.dg/cpp1z/nested-namespace-def1.C: Likewise.
	* g++.dg/cpp1z/class-deduction13.C: Likewise.
	* g++.dg/cpp1z/aligned-new7.C: Likewise.
	* g++.dg/cpp1z/noexcept-type1.C: Likewise.
	* g++.dg/cpp1z/nontype1.C: Likewise.
	* g++.dg/cpp1z/init-statement5.C: Likewise.
	* g++.dg/cpp1z/nontype-auto2.C: Likewise.
	* g++.dg/cpp1z/decomp17.C: Likewise.
	* g++.dg/cpp1z/fold4.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda2.C: Likewise.
	* g++.dg/cpp1z/fold7a.C: Likewise.
	* g++.dg/cpp1z/nontype-auto5.C: Likewise.
	* g++.dg/cpp1z/init-statement7.C: Likewise.
	* g++.dg/cpp1z/aggr-base5.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda5.C: Likewise.
	* g++.dg/cpp1z/pr79143.C: Likewise.
	* g++.dg/cpp1z/class-deduction38.C: Likewise.
	* g++.dg/cpp1z/nontype-auto8.C: Likewise.
	* g++.dg/cpp1z/class-deduction12.C: Likewise.
	* g++.dg/cpp1z/decomp20.C: Likewise.
	* g++.dg/cpp1z/class-deduction22.C: Likewise.
	* g++.dg/cpp1z/class-deduction29.C: Likewise.
	* g++.dg/cpp1z/class-deduction8.C: Likewise.
	* g++.dg/cpp1z/class-deduction43.C: Likewise.
	* g++.dg/cpp1z/feat-cxx1z.C: Likewise.
	* g++.dg/cpp1z/fold8.C: Likewise.
	* g++.dg/cpp1z/init-statement3.C: Likewise.
	* g++.dg/cpp1z/nontype-auto10.C: Likewise.
	* g++.dg/cpp1z/class-deduction36.C: Likewise.
	* g++.dg/cpp1z/noexcept-type17.C: Likewise.
	* g++.dg/cpp1z/fallthrough1.C: Likewise.
	* g++.dg/cpp1z/fold1.C: Likewise.
	* g++.dg/cpp1z/class-deduction26.C: Likewise.
	* g++.dg/cpp1z/fold-ice1.C: Likewise.
	* g++.dg/cpp1z/fold5.C: Likewise.
	* g++.dg/cpp1z/class-deduction34.C: Likewise.
	* g++.dg/cpp1z/noexcept-type6.C: Likewise.
	* g++.dg/cpp1z/class-deduction7.C: Likewise.
	* g++.dg/cpp1z/class-deduction16.C: Likewise.
	* g++.dg/cpp1z/class-deduction10.C: Likewise.
	* g++.dg/cpp1z/eval-order3.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda13.C: Likewise.
	* g++.dg/cpp1z/aggr-base2a.C: Likewise.
	* g++.dg/cpp1z/nontype-auto1.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda3.C: Likewise.
	* g++.dg/cpp1z/nontype-auto7.C: Likewise.
	* g++.dg/cpp1z/decomp15.C: Likewise.
	* g++.dg/cpp1z/noexcept-type4.C: Likewise.
	* g++.dg/cpp1z/fold-mangle.C: Likewise.
	* g++.dg/cpp1z/class-deduction35.C: Likewise.
	* g++.dg/cpp1z/decomp4.C: Likewise.
	* g++.dg/cpp1z/class-deduction42.C: Likewise.
	* g++.dg/cpp1z/init-statement8.C: Likewise.
	* g++.dg/cpp1z/inline-var1a.C: Likewise.
	* g++.dg/cpp1z/init-statement6.C: Likewise.
	* g++.dg/cpp1z/class-deduction17.C: Likewise.
	* g++.dg/cpp1z/class-deduction28.C: Likewise.
	* g++.dg/cpp1z/class-deduction27.C: Likewise.
	* g++.dg/cpp1z/decomp-bitfield1.C: Likewise.
	* g++.dg/cpp1z/attributes-enum-1a.C: Likewise.
	* g++.dg/cpp1z/class-deduction11.C: Likewise.
	* g++.dg/cpp1z/constexpr-lambda12.C: Likewise.
	* g++.dg/cpp1z/init-statement9.C: Likewise.
	* g++.dg/cpp1z/class-deduction19.C: Likewise.
	* g++.dg/cpp1z/class-deduction5.C: Likewise.
	* g++.dg/cpp1z/fold2.C: Likewise.
	* g++.dg/cpp1z/class-deduction33.C: Likewise.
	* g++.dg/cpp1z/class-deduction24.C: Likewise.
	* g++.dg/cpp1z/aggr-base1.C: Likewise.
	* g++.dg/cpp1z/fold6.C: Likewise.
	* g++.dg/cpp1z/decomp12.C: Likewise.
	* g++.dg/cpp1z/class-deduction4.C: Likewise.
	* g++.dg/cpp1z/inline-var1.C: Likewise.
	* g++.dg/cpp1z/aligned-new2.C: Likewise.
	* g++.dg/cpp1z/class-deduction3.C: Likewise.
	* g++.dg/other/error3.C: Likewise.
	* g++.dg/init/new25.C: Likewise.
	* g++.dg/init/new13.C: Likewise.
	* g++.dg/tls/diag-2.C: Likewise.
	* g++.dg/tls/diag-4.C: Likewise.
	* g++.dg/opt/noreturn-1.C: Likewise.
	* g++.dg/eh/async-unwind2.C: Likewise.
	* g++.dg/eh/spec9.C: Likewise.
	* g++.dg/eh/spec7.C: Likewise.
	* g++.dg/eh/template1.C: Likewise.
	* g++.dg/eh/cond4.C: Likewise.
	* g++.dg/eh/pr41819.C: Likewise.
	* g++.dg/eh/delete1.C: Likewise.
	* g++.dg/eh/spec3.C: Likewise.
	* g++.dg/eh/forced4.C: Likewise.
	* g++.dg/eh/spec2.C: Likewise.
	* g++.dg/eh/shadow1.C: Likewise.
	* g++.dg/eh/pr38662.C: Likewise.
	* g++.dg/eh/ehopt1.C: Likewise.
	* g++.dg/eh/spec8.C: Likewise.
	* g++.dg/eh/init-temp2.C: Likewise.
	* g++.dg/rtti/crash3.C: Likewise.
	* g++.dg/warn/Wreturn-type-3.C: Likewise.
	* g++.dg/warn/register-parm-1.C: Likewise.
	* g++.dg/warn/register-var-2.C: Likewise.
	* g++.dg/gcov/gcov-7.C: Likewise.
	* g++.dg/tree-ssa/pr45605.C: Likewise.
	* g++.dg/cpp/pr23827_cxx98_neg.C: Likewise.
	* g++.dg/lookup/exception1.C: Likewise.
	* g++.dg/ubsan/pr79589.C: Likewise.
	* g++.dg/tm/pr47340.C: Likewise.
	* g++.dg/tm/pr46567.C: Likewise.
	* g++.dg/expr/bitfield5.C: Likewise.
	* g++.dg/expr/bool1.C: Likewise.
	* g++.dg/expr/lval3.C: Likewise.
	* g++.dg/expr/lval4.C: Likewise.
	* g++.dg/expr/bitfield4.C: Likewise.
	* g++.dg/expr/bitfield6.C: Likewise.
	* g++.dg/expr/bool3.C: Likewise.
	* g++.dg/ext/has_nothrow_constructor.C: Likewise.
	* g++.dg/ext/has_nothrow_copy-7.C: Likewise.
	* g++.dg/ext/has_nothrow_copy-1.C: Likewise.
	* g++.dg/ext/has_nothrow_copy-2.C: Likewise.
	* g++.dg/ext/has_nothrow_copy-4.C: Likewise.
	* g++.dg/ext/has_nothrow_copy-5.C: Likewise.
	* g++.dg/ext/has_nothrow_copy-6.C: Likewise.
	* g++.dg/ext/has_nothrow_assign.C: Likewise.
	* g++.dg/parse/register1.C: Likewise.
	* g++.dg/parse/error15.C: Likewise.
	* g++.dg/parse/linkage2.C: Likewise.
	* g++.dg/concepts/intro2.C: Likewise.
	* g++.dg/concepts/class.C: Likewise.
	* g++.dg/concepts/traits1.C: Likewise.
	* g++.dg/concepts/req5.C: Likewise.
	* g++.dg/concepts/var-concept5.C: Likewise.
	* g++.dg/concepts/fn-concept2.C: Likewise.
	* g++.dg/concepts/traits2.C: Likewise.
	* g++.dg/concepts/placeholder2.C: Likewise.
	* g++.dg/concepts/class6.C: Likewise.
	* g++.dg/concepts/memtmpl1.C: Likewise.
	* g++.dg/concepts/friend2.C: Likewise.
	* g++.dg/concepts/template-parm3.C: Likewise.
	* g++.dg/concepts/template-parm10.C: Likewise.
	* g++.dg/concepts/explicit-spec1.C: Likewise.
	* g++.dg/concepts/explicit-spec3.C: Likewise.
	* g++.dg/concepts/var-templ2.C: Likewise.
	* g++.dg/concepts/intro5.C: Likewise.
	* g++.dg/concepts/deduction-constraint1.C: Likewise.
	* g++.dg/concepts/iconv1.C: Likewise.
	* g++.dg/concepts/constrained-parm.C: Likewise.
	* g++.dg/concepts/template-template-parm1.C: Likewise.
	* g++.dg/concepts/var-concept3.C: Likewise.
	* g++.dg/concepts/class3.C: Likewise.
	* g++.dg/concepts/memfun2.C: Likewise.
	* g++.dg/concepts/req1.C: Likewise.
	* g++.dg/concepts/disjunction1.C: Likewise.
	* g++.dg/concepts/req17.C: Likewise.
	* g++.dg/concepts/pr65848.C: Likewise.
	* g++.dg/concepts/placeholder4.C: Likewise.
	* g++.dg/concepts/decl-diagnose.C: Likewise.
	* g++.dg/concepts/intro7.C: Likewise.
	* g++.dg/concepts/pr68683.C: Likewise.
	* g++.dg/concepts/partial-spec4.C: Likewise.
	* g++.dg/concepts/template-parm5.C: Likewise.
	* g++.dg/concepts/explicit-inst1.C: Likewise.
	* g++.dg/concepts/class-deduction1.C: Likewise.
	* g++.dg/concepts/class1.C: Likewise.
	* g++.dg/concepts/req15.C: Likewise.
	* g++.dg/concepts/memfun.C: Likewise.
	* g++.dg/concepts/pr68434.C: Likewise.
	* g++.dg/concepts/inherit-ctor4.C: Likewise.
	* g++.dg/concepts/partial-spec6.C: Likewise.
	* g++.dg/concepts/var-templ1.C: Likewise.
	* g++.dg/concepts/template-parm8.C: Likewise.
	* g++.dg/concepts/explicit-inst3.C: Likewise.
	* g++.dg/concepts/class4.C: Likewise.
	* g++.dg/concepts/req6.C: Likewise.
	* g++.dg/concepts/fn8.C: Likewise.
	* g++.dg/concepts/class5.C: Likewise.
	* g++.dg/concepts/placeholder5.C: Likewise.
	* g++.dg/concepts/req16.C: Likewise.
	* g++.dg/concepts/req10.C: Likewise.
	* g++.dg/concepts/var-concept2.C: Likewise.
	* g++.dg/concepts/auto3.C: Likewise.
	* g++.dg/concepts/generic-fn-err.C: Likewise.
	* g++.dg/concepts/pr65552.C: Likewise.
	* g++.dg/concepts/partial-concept-id2.C: Likewise.
	* g++.dg/concepts/fn1.C: Likewise.
	* g++.dg/concepts/partial-spec.C: Likewise.
	* g++.dg/concepts/template-parm12.C: Likewise.
	* g++.dg/concepts/diagnostic1.C: Likewise.
	* g++.dg/concepts/intro1.C: Likewise.
	* g++.dg/concepts/explicit-inst4.C: Likewise.
	* g++.dg/concepts/req18.C: Likewise.
	* g++.dg/concepts/explicit-spec5.C: Likewise.
	* g++.dg/concepts/var-concept6.C: Likewise.
	* g++.dg/concepts/fn9.C: Likewise.
	* g++.dg/concepts/req2.C: Likewise.
	* g++.dg/concepts/template-parm7.C: Likewise.
	* g++.dg/concepts/req14.C: Likewise.
	* g++.dg/concepts/template-parm6.C: Likewise.
	* g++.dg/concepts/variadic4.C: Likewise.
	* g++.dg/concepts/fn6.C: Likewise.
	* g++.dg/concepts/req-neg1.C: Likewise.
	* g++.dg/concepts/alias3.C: Likewise.
	* g++.dg/concepts/expression2.C: Likewise.
	* g++.dg/concepts/partial-spec3.C: Likewise.
	* g++.dg/concepts/expression3.C: Likewise.
	* g++.dg/concepts/memfun-err.C: Likewise.
	* g++.dg/concepts/pr66091.C: Likewise.
	* g++.dg/concepts/explicit-spec2.C: Likewise.
	* g++.dg/concepts/equiv.C: Likewise.
	* g++.dg/concepts/friend1.C: Likewise.
	* g++.dg/concepts/fn4.C: Likewise.
	* g++.dg/concepts/var-templ3.C: Likewise.
	* g++.dg/concepts/explicit-inst2.C: Likewise.
	* g++.dg/concepts/alias2.C: Likewise.
	* g++.dg/concepts/regress/alias-decl-42.C: Likewise.
	* g++.dg/concepts/placeholder6.C: Likewise.
	* g++.dg/concepts/fn10.C: Likewise.
	* g++.dg/concepts/req3.C: Likewise.
	* g++.dg/concepts/variadic2.C: Likewise.
	* g++.dg/concepts/pr65636.C: Likewise.
	* g++.dg/concepts/intro6.C: Likewise.
	* g++.dg/concepts/class2.C: Likewise.
	* g++.dg/concepts/fn2.C: Likewise.
	* g++.dg/concepts/req20.C: Likewise.
	* g++.dg/concepts/req8.C: Likewise.
	* g++.dg/concepts/placeholder1.C: Likewise.
	* g++.dg/concepts/pr65854.C: Likewise.
	* g++.dg/concepts/member-concept.C: Likewise.
	* g++.dg/concepts/template-parm2.C: Likewise.
	* g++.dg/concepts/variadic1.C: Likewise.
	* g++.dg/concepts/fn7.C: Likewise.
	* g++.dg/concepts/intro4.C: Likewise.
	* g++.dg/concepts/req13.C: Likewise.
	* g++.dg/concepts/inherit-ctor3.C: Likewise.
	* g++.dg/concepts/explicit-spec6.C: Likewise.
	* g++.dg/concepts/auto1.C: Likewise.
	* g++.dg/concepts/alias1.C: Likewise.
	* g++.dg/concepts/fn-concept1.C: Likewise.
	* g++.dg/concepts/template-parm11.C: Likewise.
	* g++.dg/concepts/explicit-spec4.C: Likewise.
	* g++.dg/concepts/partial-concept-id1.C: Likewise.
	* g++.dg/concepts/req9.C: Likewise.
	* g++.dg/concepts/req4.C: Likewise.
	* g++.dg/concepts/pr65681.C: Likewise.
	* g++.dg/concepts/req7.C: Likewise.
	* g++.dg/concepts/req12.C: Likewise.
	* g++.dg/concepts/fn5.C: Likewise.
	* g++.dg/concepts/alias4.C: Likewise.
	* g++.dg/concepts/generic-fn.C: Likewise.
	* g++.dg/concepts/feature-macro.C: Likewise.
	* g++.dg/concepts/req19.C: Likewise.
	* g++.dg/concepts/placeholder3.C: Likewise.
	* g++.dg/concepts/intro3.C: Likewise.
	* g++.dg/concepts/partial-spec5.C: Likewise.
	* g++.dg/concepts/template-parm4.C: Likewise.
	* g++.dg/concepts/dr1430.C: Likewise.
	* g++.dg/concepts/pr65634.C: Likewise.
	* g++.dg/concepts/var-concept4.C: Likewise.
	* g++.dg/concepts/pr67249.C: Likewise.
	* g++.dg/concepts/expression.C: Likewise.
	* g++.dg/concepts/pr65575.C: Likewise.
	* g++.dg/concepts/partial-spec2.C: Likewise.
	* g++.dg/concepts/template-parm9.C: Likewise.
	* g++.dg/concepts/inherit-ctor1.C: Likewise.
	* g++.dg/concepts/equiv2.C: Likewise.
	* g++.dg/concepts/req11.C: Likewise.
	* g++.dg/concepts/template-parm1.C: Likewise.
	* g++.dg/concepts/inherit-ctor2.C: Likewise.
	* g++.dg/concepts/var-concept1.C: Likewise.
	* g++.dg/concepts/fn3.C: Likewise.
	* g++.dg/torture/pr46364.C: Likewise.
	* g++.dg/torture/stackalign/eh-alloca-1.C: Likewise.
	* g++.dg/torture/stackalign/eh-fastcall-1.C: Likewise.
	* g++.dg/torture/stackalign/eh-vararg-1.C: Likewise.
	* g++.dg/torture/stackalign/eh-vararg-2.C: Likewise.
	* g++.dg/torture/stackalign/eh-global-1.C: Likewise.
	* g++.dg/torture/stackalign/eh-thiscall-1.C: Likewise.
	* g++.dg/torture/stackalign/eh-inline-2.C: Likewise.
	* g++.dg/torture/stackalign/eh-inline-1.C: Likewise.
	* g++.dg/torture/pr52918-1.C: Likewise.
	* g++.dg/torture/pr49394.C: Likewise.
	* g++.dg/torture/pr57190.C: Likewise.
	* g++.dg/cpp0x/static_assert8.C: Likewise.
	* g++.dg/cpp0x/noexcept19.C: Likewise.
	* g++.dg/cpp0x/variadic-throw.C: Likewise.
	* g++.dg/cpp0x/variadic73.C: Likewise.
	* g++.dg/cpp0x/noexcept02.C: Likewise.
	* g++.dg/cpp0x/defaulted23.C: Likewise.
	* g++.dg/cpp0x/noexcept08.C: Likewise.
	* g++.dg/cpp0x/auto9.C: Likewise.
	* g++.dg/cpp0x/lambda/lambda-eh2.C: Likewise.
	* g++.dg/cpp0x/error5.C: Likewise.
	* c-c++-common/gomp/atomic-12.c: Likewise.
	* c-c++-common/gomp/atomic-13.c: Likewise.
	* c-c++-common/gomp/atomic-14.c: Likewise.
	* c-c++-common/Wvarargs-2.c: Likewise.
	* c-c++-common/Wvarargs.c: Likewise.
	* c-c++-common/vector-subscript-2.c: Likewise.
	* g++.old-deja/g++.robertl/eb123.C: Likewise.
	* g++.old-deja/g++.eh/tmpl3.C: Likewise.
	* g++.old-deja/g++.eh/cleanup2.C: Likewise.
	* g++.old-deja/g++.eh/badalloc1.C: Likewise.
	* g++.old-deja/g++.eh/throw2.C: Likewise.
	* g++.old-deja/g++.eh/throw1.C: Likewise.
	* g++.old-deja/g++.eh/tmpl1.C: Likewise.
	* g++.old-deja/g++.other/new7.C: Likewise.
	* g++.old-deja/g++.other/crash30.C: Likewise.
	* g++.old-deja/g++.other/regstack.C: Likewise.
	* g++.old-deja/g++.other/crash28.C: Likewise.
	* g++.old-deja/g++.jason/bool5.C: Likewise.
	* g++.old-deja/g++.mike/p10416.C: Likewise.
	* g++.old-deja/g++.mike/eh25.C: Likewise.
	* g++.old-deja/g++.mike/eh55.C: Likewise.
libcpp/
	* include/cpplib.h (enum c_lang): Rename CLK_GNUCXX1Z
	to CLK_GNUCXX17 and CLK_CXX1Z to CLK_CXX17.
	* init.c (lang_defaults, cpp_init_builtins): Likewise.
	* expr.c (cpp_classify_number): Use C++17 instead of C++1z
	in diagnostics.
libstdc++-v3/
	* testsuite/libstdc++-prettyprinters/cxx17.cc: Use -std=c++17 or
	-std=gnu++17 instead of -std=c++1z or -std=gnu++1z.  Use c++17 instead
	of c++1z and c++17_only instead of c++1z_only.  Adjust expected
	diagnostics and comments refering to 1z to 17.
	* testsuite/30_threads/lock_guard/cons/deduction.cc: Likewise.
	* testsuite/30_threads/scoped_lock/cons/deduction.cc: Likewise.
	* testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
	* testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
	* testsuite/30_threads/scoped_lock/requirements/explicit_instantiation.cc:
	Likewise.
	* testsuite/30_threads/unique_lock/cons/deduction.cc: Likewise.
	* testsuite/18_support/launder/1.cc (test02): Likewise.
	* testsuite/18_support/launder/requirements_neg.cc: Likewise.
	* testsuite/18_support/launder/requirements.cc: Likewise.
	* testsuite/18_support/byte/requirements.cc: Likewise.
	* testsuite/18_support/byte/ops.cc: Likewise.
	* testsuite/18_support/byte/global_neg.cc: Likewise.
	* testsuite/18_support/uncaught_exceptions/uncaught_exceptions.cc:
	Likewise.
	* testsuite/27_io/types/4.cc: Likewise.
	* testsuite/25_algorithms/sample/81221.cc: Likewise.
	* testsuite/25_algorithms/sample/1.cc: Likewise.
	* testsuite/25_algorithms/sample/2.cc: Likewise.
	* testsuite/25_algorithms/search/searcher.cc: Likewise.
	* testsuite/28_regex/basic_regex/ctors/deduction.cc: Likewise.
	* testsuite/experimental/filesystem/path/construct/string_view.cc:
	Likewise.
	* testsuite/24_iterators/range_access_cpp17.cc: Likewise.
	* testsuite/24_iterators/container_access.cc: Likewise.
	* testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
	* testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
	* testsuite/20_util/shared_ptr/cons/deduction.cc: Likewise.
	* testsuite/20_util/shared_ptr/cons/array.cc: Likewise.
	* testsuite/20_util/shared_ptr/observers/array.cc (struct A): Likewise.
	* testsuite/20_util/pair/cons/deduction.cc: Likewise.
	* testsuite/20_util/variant/deduction.cc: Likewise.
	* testsuite/20_util/tuple/78939.cc: Likewise.
	* testsuite/20_util/tuple/cons/deduction.cc: Likewise.
	* testsuite/20_util/void_t/1.cc: Likewise.
	* testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: Likewise.
	* testsuite/20_util/unique_ptr/cons/deduction_neg.cc: Likewise.
	* testsuite/20_util/addressof/requirements/constexpr.cc: Likewise.
	* testsuite/20_util/weak_ptr/cons/deduction.cc: Likewise.
	* testsuite/20_util/has_unique_object_representations/requirements/typedefs.cc:
	Likewise.
	* testsuite/20_util/has_unique_object_representations/requirements/explicit_instantiation.cc:
	Likewise.
	* testsuite/20_util/has_unique_object_representations/value.cc:
	Likewise.
	* testsuite/20_util/time_point/arithmetic/constexpr.cc: Likewise.
	* testsuite/20_util/function_objects/invoke/59768.cc: Likewise.
	* testsuite/20_util/function_objects/mem_fn/80478.cc: Likewise.
	* testsuite/20_util/function/cons/deduction.cc: Likewise.
	* testsuite/20_util/specialized_algorithms/memory_management_tools/destroy_neg.cc:
	Likewise.
	* testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
	* testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
	Likewise.
	* testsuite/20_util/is_aggregate/value.cc: Likewise.
	* testsuite/26_numerics/lcm/1.cc: Likewise.
	* testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
	* testsuite/26_numerics/gcd/1.cc: Likewise.
	* testsuite/26_numerics/gcd/gcd_neg.cc: Likewise.
	* testsuite/26_numerics/valarray/deduction.cc: Likewise.
	* testsuite/26_numerics/headers/cmath/types_std_c++0x_neg.cc: Likewise.
	* testsuite/26_numerics/headers/cmath/hypot.cc: Likewise.
	* testsuite/23_containers/queue/members/emplace_cxx17_return.cc:
	Likewise.
	* testsuite/23_containers/array/cons/deduction.cc: Likewise.
	* testsuite/23_containers/array/cons/deduction_neg.cc: Likewise.
	* testsuite/23_containers/deque/modifiers/emplace/cxx17_return.cc:
	Likewise.
	* testsuite/23_containers/deque/cons/deduction.cc: Likewise.
	* testsuite/23_containers/stack/members/emplace_cxx17_return.cc:
	Likewise.
	* testsuite/23_containers/list/modifiers/emplace/cxx17_return.cc:
	Likewise.
	* testsuite/23_containers/list/cons/deduction.cc: Likewise.
	* testsuite/23_containers/forward_list/modifiers/emplace_cxx17_return.cc:
	Likewise.
	* testsuite/23_containers/forward_list/cons/deduction.cc: Likewise.
	* testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Likewise.
	* testsuite/23_containers/vector/modifiers/emplace/cxx17_return.cc:
	Likewise.
	* testsuite/23_containers/vector/cons/deduction.cc: Likewise.
	* testsuite/23_containers/vector/bool/emplace_cxx17_return.cc:
	Likewise.
	* testsuite/21_strings/basic_string/cons/char/9.cc: Likewise.
	* testsuite/21_strings/basic_string/cons/char/deduction.cc: Likewise.
	* testsuite/21_strings/basic_string/cons/char/79162.cc: Likewise.
	* testsuite/21_strings/basic_string/cons/wchar_t/9.cc: Likewise.
	* testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
	Likewise.
	* testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/char/70483.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc:
	Likewise.

From-SVN: r252826
 2017-09-15 18:15:46 +02:00
Jonathan Wakely
d0dda80415 PR libstdc++/81468 constrain std::chrono::time_point constructor 
PR libstdc++/81468
	* include/std/chrono (__enable_if_is_duration)
	(__disable_if_is_duration): New alias templates to simplify SFINAE.
	(duration_cast, floor, ceil): Use __enable_if_is_duration.
	(duration::__is_float, duration::__is_harmonic): New alias templates
	to simplify SFINAE.
	(duration::duration(const _Rep2&)): Use _Require, __is_float and
	__is_harmonic.
	(duration::duration(const duration<_Rep2, _Period2>&)): Likewise.
	(__common_rep_type): Remove, replace with ...
	(__common_rep_t): New alias template.
	(operator*, operator/, operator%): Use __common_rep_t and
	__disable_if_is_duration.
	(time_point::time_point(const time_point<clock, _Dur2>&)): Add missing
	constraint from LWG DR 1177.
	* testsuite/20_util/duration/cons/dr1177.cc: New.
	* testsuite/20_util/duration/literals/range.cc: Update dg-error line.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
	* testsuite/20_util/time_point/cons/81468.cc: New.

From-SVN: r252085
 2017-09-13 15:07:44 +01:00
Jonathan Wakely
d681026df1 PR libstdc++/79433 no #error for including TS headers with wrong -std 
PR libstdc++/79433
	* include/Makefile.am: Remove <bits/c++14_warning.h>.
	* include/Makefile.in: Regenerate.
	* include/bits/c++14_warning.h: Remove.
	* include/experimental/algorithm: Do not include <c++14_warning.h>.
	* include/experimental/any: Likewise.
	* include/experimental/array: Likewise.
	* include/experimental/bits/erase_if.h: Likewise.
	* include/experimental/bits/lfts_config.h: Likewise.
	* include/experimental/bits/shared_ptr.h: Likewise.
	* include/experimental/bits/string_view.tcc: Likewise.
	* include/experimental/chrono: Likewise.
	* include/experimental/deque: Likewise.
	* include/experimental/filesystem: Do not include <c++0x_warning.h>.
	* include/experimental/forward_list: Do not include <c++14_warning.h>.
	* include/experimental/functional: Likewise.
	* include/experimental/iterator: Likewise.
	* include/experimental/list: Likewise.
	* include/experimental/map: Likewise.
	* include/experimental/memory: Likewise.
	* include/experimental/numeric: Likewise.
	* include/experimental/optional: Likewise.
	* include/experimental/propagate_const: Likewise.
	* include/experimental/ratio: Likewise.
	* include/experimental/regex: Likewise.
	* include/experimental/set: Likewise.
	* include/experimental/string: Likewise.
	* include/experimental/string_view: Likewise.
	* include/experimental/system_error: Likewise.
	* include/experimental/tuple: Likewise.
	* include/experimental/type_traits: Likewise.
	* include/experimental/unordered_map: Likewise.
	* include/experimental/unordered_set: Likewise.
	* include/experimental/vector: Likewise.
	* testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error
	line number.
	* testsuite/experimental/array/neg.cc: Likewise.
	* testsuite/experimental/propagate_const/assignment/move_neg.cc:
	Likewise.
	* testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements2.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements3.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements4.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements5.cc: Likewise.

From-SVN: r252019
 2017-09-12 15:03:06 +01:00
Jonathan Wakely
c6888c6257 PR libstdc++/79433 no #error for including headers with wrong -std 
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: r252018
 2017-09-12 15:02:59 +01:00