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Author SHA1 Message Date
Jonathan Wakely
64626fcaaa Always qualify std::forward in <variant> 
* include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
	std::forward and ::new. Cast pointer to void*.
	* include/std/variant (_Variant_storage, _Union, _Variant_base)
	(__access, __visit_invoke, variant, visit): Qualify std::forward.
	* testsuite/20_util/variant/compile.cc: Test for ADL problems.

From-SVN: r240344
 2016-09-22 10:56:54 +01:00
Tim Shen
c42bc5d73b variant (variant::operator=): Fix assignment on references. 
* libstdc++-v3/include/std/variant (variant::operator=): Fix assignment
	on references.
	* libstdc++-v3/testsuite/20_util/variant/compile.cc: Add test.

From-SVN: r240343
 2016-09-22 08:45:55 +00:00
Tim Shen
41501d1ae7 re PR libstdc++/77641 (std::variant copy-initialization fails for type with non-trivial constexpr ctor) 
PR libstdc++/77641
	* include/std/variant (_Variant_storage::_Variant_storage):
	Change _Variant_storage's union to be default constructible.
	* testsuite/20_util/variant/compile.cc: New test.

From-SVN: r240340
 2016-09-22 03:15:58 +00:00
Ville Voutilainen
b641f833ba re PR libstdc++/77288 (Std::experimental::optional::operator= implementation is broken in gcc 6.1) 
PR libstdc++/77288
	* include/std/optional (__is_optional_impl, __is_optional): Remove.
	(__converts_from_optional, __assigns_from_optional): New.
	(optional(_Up&&)): Use is_same instead of __is_optional.
	(optional(const optional<_Up>&)): Constrain with
	__converts_from_optional.
	(optional(optional<_Up>&&)): Likewise.
	(operator=(_Up&&)): Use is_same instead of __is_optional, check
	is_same and is_scalar.
	(operator=(const optional<_Up>&)): Constrain with
	__converts_from_optional and __assigns_from_optional.
	(operator=(optional<_Up>&&)): Likewise.
	* testsuite/20_util/optional/77288.cc: New.
	* testsuite/20_util/optional/cons/value.cc: Adjust.

From-SVN: r240324
 2016-09-21 20:37:17 +03:00
Ville Voutilainen
5578678524 Implement LWG 2729 for tuple. 
* include/std/tuple (_Tuple_impl(_Tuple_impl&&)):
	Suppress conditionally.
	(_Tuple_impl(_Tuple_impl<_Idx, _UHead, _UTails...>&&)): Likewise.
	(__is_tuple_impl_trait_impl, __is_tuple_impl_trait): New.
	(_Tuple_impl(const _Head&)): Constrain.
	(_Tuple_impl(_UHead&&)): Likewise.
	(_Tuple_impl(_Tuple_impl&&)): Suppress conditionally.
	(_Tuple_impl(const _Tuple_impl<_Idx, _UHead>&)): Constrain.
	(_Tuple_impl(_Tuple_impl<_Idx, _UHead>&&)): Likewise.
	(operator=(const tuple&)): Enable conditionally.
	(operator=(tuple&&)): Suppress conditionally.
	(operator=(const tuple<_UElements...>&)): Constrain.
	(operator=(tuple<_UElements...>&&)): Likewise.
	(operator=(const tuple&)): Enable conditionally (2-param tuple).
	(operator=(tuple&&)): Suppress conditionally (2-param tuple).
	(operator=(const tuple<_U1, _U2>&)): Constrain.
	(operator=(tuple<_U1, _U2>&&)): Likewise.
	(operator=(const pair<_U1, _U2>&)): Likewise.
	(operator=(pair<_U1, _U2>&&)): Likewise.
	* testsuite/20_util/tuple/element_access/get_neg.cc: Adjust.
	* testsuite/20_util/tuple/tuple_traits.cc: New.

From-SVN: r240323
 2016-09-21 20:25:16 +03:00
Ville Voutilainen
f524d5b34a re PR libstdc++/77537 (pair constructors do not properly SFINAE) 
PR libstdc++/77537
	Implement LWG 2729 for pair.
	* include/bits/stl_pair.h (_PCC): New.
	(_ConstructiblePair, _ImplicitlyConvertiblePair):
	Turn into static member functions of _PCC.
	(_MoveConstructiblePair, _ImplicitlyMoveConvertiblePair): Likewise.
	(_PCCP): New.
	(pair(const _T1&, const _T2&)): Adjust.
	(_PCCFP): New.
	(pair(const pair<_U1, _U2>&)): Adjust.
	(pair(_U1&&, const _T2&)): Likewise.
	(pair(const _T1&, _U2&&)): Likewise.
	(pair(_U1&&, _U2&&)): Likewise.
	(pair(pair<_U1, _U2>&&)): Likewise.
	(operator=(const pair&)): Make conditionally deleted.
	(operator=(pair&&)): Make conditionally suppressed.
	(operator=(const pair<_U1, _U2>&)): Constrain.
	(operator=(pair<_U1, _U2>&&): Likewise.
	* include/std/type_traits (__nonesuch): New.
	* testsuite/20_util/pair/traits.cc: New.

From-SVN: r240322
 2016-09-21 19:48:35 +03:00
Ville Voutilainen
377f30c00f re PR libstdc++/77619 (uninitialized_meow_construct and friends not exception safe) 
PR libstdc++/77619
	* include/bits/stl_construct.h: (_Construct_novalue): New.
	(_Destroy_n_aux, _Destroy_n): New.
	* include/bits/stl_uninitialized.h: (type_traits):
	New include in C++11 mode.
	(__uninitialized_default_novalue_1): New.
	(__uninitialized_default_novalue_n_1): Likewise.
	(__uninitialized_default_novalue): Likewise.
	(__uninitialized_default_novalue_n): Likewise.
	(__uninitialized_copy_n_pair): Likewise.
	(uninitialized_default_construct):
	Use __uninitialized_default_novalue.
	(uninitialized_default_construct_n):
	Use __uninitialized_default_novalue_n.
	(uninitialized_value_construct): Use __uninitialized_default.
	(uninitialized_value_construct_n): Use __uninitialized_default_n.
	(uninitialized_move): Use uninitialized_copy.
	(uninitialized_move_n): Use __uninitialized_copy_n_pair.
	(destroy_at): Use _Destroy.
	(destroy): Likewise.
	(destroy_n): Likewise.
	* testsuite/20_util/specialized_algorithms/
	memory_management_tools/1.cc: Add tests for exceptions,
	add tests for trivial cases for construct and move.

From-SVN: r240264
 2016-09-20 18:15:36 +03:00
Jonathan Wakely
564beb5f9b Replace casts with floordiv operator in Python xmethods 
* python/libstdcxx/v6/xmethods.py (DequeWorkerBase.__init__)
	(DequeWorkerBase.index, VectorWorkerBase.get): Use // for division.

From-SVN: r240258
 2016-09-20 10:57:02 +01:00
Jonathan Wakely
d0f5943566 libstdc++/77645 fix deque and vector xmethods for Python 3 
PR libstdc++/77645
	* python/libstdcxx/v6/xmethods.py (DequeWorkerBase.__init__)
	(DequeWorkerBase.index, VectorWorkerBase.get): Cast results of
	division to int to work with Python 3.

From-SVN: r240241
 2016-09-19 18:09:04 +01:00
Jonathan Wakely
ee1ab3e3c2 Make libstdc++ tests FAIL on Python errors 
* testsuite/lib/gdb-test.exp (gdb-test): Fail if Python error occurs.

From-SVN: r240237
 2016-09-19 16:59:04 +01:00
Jonathan Wakely
a0a1009abf Improve pretty printer for std::variant 
* python/libstdcxx/v6/printers.py (SingleObjContainerPrinter): Allow
	display_hint to be set by subclasses.
	(StdVariantPrinter): Use array for display_hint. Adjust output to be
	more similar to std::any and std::optional output.
	(register_type_printers): Add type printers for basic_string_view
	typedefs and experimental::any. Adjust type printers for
	fundamentals_v1 templates to match fundamentals_v2 and later.
	* testsuite/libstdc++-prettyprinters/cxx17.cc: New.

From-SVN: r240234
 2016-09-19 16:49:27 +01:00
Jonathan Wakely
019270bcb3 libstdc++/77645 Fix xmethods for std::list 
PR libstdc++/77645
	* python/libstdcxx/v6/xmethods.py (DequeWorkerBase.index): Rename
	argument.
	(ListWorkerBase.get_value_from_node): Define new method.
	(ListFrontWorker.__call__, ListBackWorker.__call__): Use it.

From-SVN: r240233
 2016-09-19 16:49:19 +01:00
Jonathan Wakely
0089537230 Define pretty printers for C++17 library components 
* python/libstdcxx/v6/printers.py (StdVariantPrinter): Define.
	(StdExpAnyPrinter, StdExpOptionalPrinter, StdExpStringViewPrinter):
	Register for C++17 components in namespace std. Strip inline namespace
	from typename.

From-SVN: r240215
 2016-09-17 16:20:23 +01:00
Jonathan Wakely
6ee3fd9742 Fix typo in Libstdc++ Profile Mode docs 
* doc/xml/manual/profile_mode.xml: Fix typo.
	* doc/html/manual/profile_mode_devel.html: Regenerate.

From-SVN: r240204
 2016-09-16 23:09:15 +01:00
Jonathan Wakely
84c08ec96a Replace modulus with mask operation in over-aligned new 
2016-09-16  Jonathan Wakely  <jwakely@redhat.com>
	    Marc Glisse  <marc.glisse@inria.fr>

	* libsupc++/new_opa.cc [_GLIBCXX_HAVE_ALIGNED_ALLOC]
	(operator new(size_t, align_val_t)): Replace modulus operator with
	mask.

Co-Authored-By: Marc Glisse <marc.glisse@inria.fr>

From-SVN: r240192
 2016-09-16 19:09:14 +01:00
Jonathan Wakely
426042f5f2 Adjust arguments to aligned_alloc or posix_memalign 
* libsupc++/new_opa.cc [_GLIBCXX_HAVE_POSIX_MEMALIGN] (aligned_alloc):
	Increase alignment if less than sizeof(void*).
	[_GLIBCXX_HAVE_ALIGNED_ALLOC] (operator new(size_t, align_val_t)):
	Increase size if not a multiple of alignment.

From-SVN: r240187
 2016-09-16 13:11:19 +01:00
Jonathan Wakely
1b75c93601 Editorial fixes to libstdc++ debug mode docs 
* doc/xml/manual/debug_mode.xml: Minor editorial fixes.
	* doc/html/*: Regenerate.

From-SVN: r240161
 2016-09-15 11:30:58 +01:00
Jonathan Wakely
700e2faaf5 Fix testsuite to not increment bool 
* testsuite/23_containers/vector/debug/insert6_neg.cc: Remove
	-Wno-deprecated.
	* testsuite/util/debug/checks.h (generate_unique<bool>): Specialize.

From-SVN: r240160
 2016-09-15 11:30:52 +01:00
Jonathan Wakely
7a461e274c Reformat libstdc++-v3/ChangeLog to fit in 80 columns 
From-SVN: r240159
 2016-09-15 11:26:03 +01:00
Jonathan Wakely
0273c10e7b Fix testsuite to not increment bool 
* testsuite/23_containers/vector/debug/insert6_neg.cc: Remove
	-Wno-deprecated.
	* testsuite/util/debug/checks.h (generate_unique<bool>): Specialize.

From-SVN: r240157
 2016-09-15 11:18:38 +01:00
Marek Polacek
20a1e5b8c8 typeck.c (cp_build_unary_op): Diagnose incrementing boolean expressions. 
* typeck.c (cp_build_unary_op): Diagnose incrementing boolean
	expressions.  Tweak an error message.

	* c-c++-common/gomp/atomic-12.c: Use -Wno-deprecated.
	* c-c++-common/gomp/atomic-13.c: Likewise.
	* c-c++-common/gomp/atomic-14.c: Likewise.
	* g++.dg/cpp1y/lambda-init11.C: Remove invalid code.
	* g++.dg/cpp1z/bool-increment1.C: New test.
	* c-c++-common/pr60439.c: Add dg-warning.
	* g++.dg/expr/bitfield4.C: Likewise.
	* g++.dg/expr/bitfield5.C: Likewise.
	* g++.dg/expr/bitfield6.C: Likewise.
	* g++.dg/expr/bool1.C: Likewise.
	* g++.dg/expr/bool3.C: Likewise.
	* g++.dg/expr/lval3.C: Likewise.
	* g++.dg/expr/lval4.C: Likewise.
	* g++.old-deja/g++.jason/bool5.C: Likewise.
	* g++.dg/expr/bitfield3.C: Adjust dg-error.
	* g++.dg/other/error18.C: Likewise.
	* g++.dg/gomp/atomic-14.C: Likewise.
libgomp/
	* testsuite/libgomp.c++/atomic-3.C: Use -Wno-deprecated.
libstdc++-v3/
	* testsuite/23_containers/vector/debug/insert6_neg.cc: Use
	-Wno-deprecated.

From-SVN: r240141
 2016-09-14 17:46:59 +00:00
Christophe Lyon
13cddbc115 Fix dg-require before dg-run directives in testsuite. 
libstdc++-v3/ChangeLog:

2016-09-14  Christophe Lyon  <christophe.lyon@linaro.org>

	* testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
	Move dg-do directive before dg-skip.
	* testsuite/21_strings/debug/iterator_self_move_assign_neg.cc:
	Move dg-do directive before dg-require.
	* testsuite/21_strings/debug/self_move_assign_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/57779_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/60587_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/assign1_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/assign2_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/assign3_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/construct1_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/construct2_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/construct3_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/insert5_neg.cc: Likewise.
	* testsuite/25_algorithms/lower_bound/debug/irreflexive.cc: Likewise.
	* testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
	Likewise.
	* testsuite/25_algorithms/pop_heap/empty2_neg.cc: Likewise.
	* testsuite/25_algorithms/pop_heap/empty_neg.cc: Likewise.
	* testsuite/27_io/objects/char/12048-5.cc: Likewise.
	* testsuite/ext/special_functions/conf_hyperg/check_nan.cc: Likewise.
	* testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.

gcc/testsuite/ChangeLog:

2016-09-14  Christophe Lyon  <christophe.lyon@linaro.org>

	* g++.dg/cpp0x/lambda/lambda-mangle.C: Move dg-do directive before
	dg-require.
	* g++.dg/ext/builtin_alloca.C: Likewise.
	* g++.dg/template/spec35.C: Likewise.
	* gcc.dg/builtins-68.c: Likewise.
	* gcc.misc-tests/gcov-13.c: Likewise.
	* gcc.misc-tests/gcov-14.c: Likewise.

From-SVN: r240135
 2016-09-14 15:37:23 +02:00
Ville Voutilainen
8e14a10cab Implement P0040R3, Extending memory management tools. 
* include/bits/stl_uninitialized.h (utility): New include
	in C++17 mode.
	(uninitialized_default_construct): New.
	(uninitialized_default_construct_n): Likewise.
	(uninitialized_value_construct): Likewise.
	(uninitialized_value_construct_n): Likewise.
	(uninitialized_move): Likewise.
	(uninitialized_move_n): Likewise.
	(destroy_at, destroy, destroy_n): Likewise.
	* testsuite/20_util/specialized_algorithms/memory_management_tools/1.cc:
	New.

From-SVN: r240122
 2016-09-13 22:26:02 +03:00
Jason Merrill
a313485bbd * config/abi/pre/gnu.ver: Use [jmy] for size_t. 
From-SVN: r240097
 2016-09-12 14:20:46 -04:00
Ville Voutilainen
5e8037ba97 Implement P0253R1, Fixing a design mistake in the searchers interface in Library Fundamentals. 
Implement P0253R1, Fixing a design mistake in the searchers
	interface in Library Fundamentals.
	* include/std/functional: (utility): New include in C++17 mode.
	(default_searcher): Use a pair as return type, adjust the definition.
	(boyer_moore_searcher): Likewise.
	(boyer_moore_horspool_searcher): Likewise.
	* testsuite/20_util/function_objects/searchers.cc: Adjust.

From-SVN: r240094
 2016-09-12 18:48:32 +03:00
Ville Voutilainen
f82dfb8d4e Implement C++17 string searchers. 
* include/std/functional: (unordered_map, vector): New includes
	in C++17 mode.
	(array, bits/stl_algo.h): Likewise.
	(default_searcher, __boyer_moore_map_base): New.
	(__boyer_moore_array_base, __is_std_equal_to): Likewise.
	(__boyer_moore_base_t, boyer_moore_searcher): Likewise.
	(boyer_moore_horspool_searcher, make_default_searcher): Likewise.
	(make_boyer_moore_searcher): Likewise.
	(make_boyer_moore_horspool_searcher): Likewise.
	* testsuite/20_util/function_objects/searchers.cc: New.

From-SVN: r240093
 2016-09-12 18:48:07 +03:00
Matthew Wahab
684211e11b [libstdc++-v3] Fix dg-require before dg-run directives in testsuite. 
* testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
	Move dg-do directive before dg-require.
	* testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc: Likewise.
	* testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
	Likewise.
	* testsuite/22_locale/codecvt/utf8.cc: Likewise.
	* testsuite/22_locale/locale/cons/unicode.cc: Likewise.
	* testsuite/23_containers/deque/debug/assign1_neg.cc: Likewise.
	* testsuite/23_containers/deque/debug/assign2_neg.cc: Likewise.
	* testsuite/23_containers/deque/debug/assign3_neg.cc: Likewise.
	* testsuite/23_containers/deque/debug/construct1_neg.cc: Likewise.
	* testsuite/23_containers/deque/debug/construct2_neg.cc: Likewise.
	* testsuite/23_containers/deque/debug/construct3_neg.cc: Likewise.
	* testsuite/23_containers/deque/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/deque/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/deque/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/deque/debug/insert5_neg.cc: Likewise.
	* testsuite/23_containers/deque/debug/iterator_self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/deque/debug/self_move_assign_neg.cc: Likewise.
	* testsuite/23_containers/deque/debug/shrink_to_fit.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/60499.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/construct1_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/construct2_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/construct3_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/erase_after1_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/erase_after2_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/erase_after3_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/erase_after4_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/erase_after5_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/erase_after6_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/erase_after7_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/erase_after8_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/erase_after9_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/insert_after1_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/insert_after2_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/insert_after3_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/insert_after4_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/iterator_self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/forward_list/debug/self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/forward_list/debug/splice_after1_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/splice_after2_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/splice_after3_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/splice_after4_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/splice_after5_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/splice_after6_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/debug/splice_after7_neg.cc: Likewise.
	* testsuite/23_containers/list/debug/assign1_neg.cc: Likewise.
	* testsuite/23_containers/list/debug/assign2_neg.cc: Likewise.
	* testsuite/23_containers/list/debug/assign3_neg.cc: Likewise.
	* testsuite/23_containers/list/debug/construct1_neg.cc: Likewise.
	* testsuite/23_containers/list/debug/construct2_neg.cc: Likewise.
	* testsuite/23_containers/list/debug/construct3_neg.cc: Likewise.
	* testsuite/23_containers/list/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/list/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/list/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/list/debug/insert5_neg.cc: Likewise.
	* testsuite/23_containers/list/debug/iterator_self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/list/debug/self_move_assign_neg.cc: Likewise.
	* testsuite/23_containers/map/debug/60499.cc: Likewise.
	* testsuite/23_containers/map/debug/construct1_neg.cc: Likewise.
	* testsuite/23_containers/map/debug/construct2_neg.cc: Likewise.
	* testsuite/23_containers/map/debug/construct3_neg.cc: Likewise.
	* testsuite/23_containers/map/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/map/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/map/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/map/debug/iterator_self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/map/debug/self_move_assign_neg.cc: Likewise.
	* testsuite/23_containers/multimap/debug/60499.cc: Likewise.
	* testsuite/23_containers/multimap/debug/construct1_neg.cc: Likewise.
	* testsuite/23_containers/multimap/debug/construct2_neg.cc: Likewise.
	* testsuite/23_containers/multimap/debug/construct3_neg.cc: Likewise.
	* testsuite/23_containers/multimap/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/multimap/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/multimap/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/multimap/debug/iterator_self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/multimap/debug/self_move_assign_neg.cc: Likewise.
	* testsuite/23_containers/multiset/debug/60499.cc: Likewise.
	* testsuite/23_containers/multiset/debug/construct1_neg.cc: Likewise.
	* testsuite/23_containers/multiset/debug/construct2_neg.cc: Likewise.
	* testsuite/23_containers/multiset/debug/construct3_neg.cc: Likewise.
	* testsuite/23_containers/multiset/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/multiset/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/multiset/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/multiset/debug/iterator_self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/multiset/debug/self_move_assign_neg.cc: Likewise.
	* testsuite/23_containers/set/debug/60499.cc: Likewise.
	* testsuite/23_containers/set/debug/construct1_neg.cc: Likewise.
	* testsuite/23_containers/set/debug/construct2_neg.cc: Likewise.
	* testsuite/23_containers/set/debug/construct3_neg.cc: Likewise.
	* testsuite/23_containers/set/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/set/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/set/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/set/debug/iterator_self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/set/debug/self_move_assign_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/60499.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/begin1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/begin2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/bucket_size_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/cbegin_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/cend_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/construct1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/construct2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/construct3_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/end1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/end2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/invalid_local_iterator_compare_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/invalid_local_iterator_range_neg.cc: Likewise.
	* testsuite/23_containers/unordered_map/debug/iterator_self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_map/debug/max_load_factor_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_map/debug/self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_map/debug/use_erased_local_iterator_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_map/debug/use_invalid_iterator_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_map/debug/use_invalid_local_iterator_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/debug/60499.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/debug/begin1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/debug/begin2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/debug/bucket_size_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/debug/cbegin_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/debug/cend_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/debug/construct1_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/debug/construct2_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/debug/construct3_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/debug/end1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/debug/end2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/debug/invalid_local_iterator_compare_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/debug/invalid_local_iterator_range_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/debug/iterator_self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/debug/max_load_factor_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/debug/self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/debug/use_erased_local_iterator_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/debug/use_invalid_iterator_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/debug/use_invalid_local_iterator_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/60499.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/begin1_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/begin2_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/bucket_size_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/cbegin_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/cend_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/construct1_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/construct2_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/construct3_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/end1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multiset/debug/end2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multiset/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multiset/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multiset/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/unordered_multiset/debug/invalid_local_iterator_compare_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/invalid_local_iterator_range_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/iterator_self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/max_load_factor_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/use_erased_local_iterator_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/use_invalid_iterator_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/debug/use_invalid_local_iterator_neg.cc:
	Likewise.
	*  testsuite/23_containers/unordered_set/debug/60499.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/begin1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/begin2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/bucket_size_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/cbegin_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/cend_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/construct1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/construct2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/construct3_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/end1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/end2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/unordered_set/debug/invalid_local_iterator_compare_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/debug/invalid_local_iterator_range_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/debug/iterator_self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/debug/max_load_factor_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/debug/self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/debug/use_erased_local_iterator_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/debug/use_invalid_iterator_neg.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/debug/use_invalid_local_iterator_neg.cc:
	Likewise.
	* testsuite/23_containers/vector/debug/52433.cc: Likewise.
	* testsuite/23_containers/vector/debug/60499.cc: Likewise.
	* testsuite/23_containers/vector/debug/bool/shrink_to_fit.cc: Likewise.
	* testsuite/23_containers/vector/debug/iterator_self_move_assign_neg.cc:
	Likewise.
	* testsuite/23_containers/vector/debug/self_move_assign_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/shrink_to_fit.cc: Likewise.
	* testsuite/25_algorithms/pop_heap/complexity.cc: Likewise.
	* testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
	* testsuite/25_algorithms/sort_heap/complexity.cc: Likewise.
	* testsuite/29_atomics/atomic/60658.cc: Likewise.
	* testsuite/29_atomics/atomic/60695.cc: Likewise.
	* testsuite/29_atomics/atomic/62259.cc: Likewise.
	* testsuite/29_atomics/atomic/64658.cc: Likewise.
	* testsuite/29_atomics/atomic/cons/49445.cc: Likewise.
	* testsuite/29_atomics/atomic/operators/51811.cc: Likewise.
	* testsuite/29_atomics/atomic/operators/pointer_partial_void.cc: Likewise.

From-SVN: r240090
 2016-09-12 09:03:50 +00:00
Jonathan Wakely
2501129262 Fix bootstrap failure when ATOMIC_INT_LOCK_FREE < 2 
* libsupc++/new_opant.cc: Include exception_defines.h.
	* libsupc++/new_opvant.cc: Likewise.

From-SVN: r240080
 2016-09-11 11:19:30 +01:00
Jason Merrill
af63ba4b30 Implement P0035R4, C++17 new of over-aligned types. 
gcc/cp/
	* cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
	(align_type_node): New macro.
	* call.c (build_operator_new_call): Handle C++17 aligned new.
	(second_parm_is_size_t, build_op_delete_call): Likewise.
	(non_placement_deallocation_fn_p): Likewise. Rename to
	usual_deallocation_fn_p.
	(aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
	* decl.c (cxx_init_decl_processing): Add aligned new support.
	* init.c (type_has_new_extended_alignment): New.
	(build_new_1): Handle aligned new.
	* tree.c (vec_copy_and_insert): New.
gcc/c-family/
	* c.opt: Add -faligned-new and -Waligned-new.
	* c-common.c (max_align_t_align): Split out from...
	(cxx_fundamental_alignment_p): ...here.
	* c-common.h: Declare it.
	* c-cppbuiltin.c (c_cpp_builtins): Handle aligned new.
libstdc++-v3/
	* libsupc++/new: Declare aligned new/delete operators.
	* config/abi/pre/gnu.ver: Export them.
	* configure.ac: Check for aligned_alloc, posix_memalign, memalign,
	_aligned_malloc.
	* libsupc++/new_opa.cc: New.
	* libsupc++/new_opant.cc: New.
	* libsupc++/new_opva.cc: New.
	* libsupc++/new_opva.cc: New.
	* libsupc++/del_opa.cc: New.
	* libsupc++/del_opant.cc: New.
	* libsupc++/del_opsa.cc: New.
	* libsupc++/del_opva.cc: New.
	* libsupc++/del_opvant.cc: New.
	* libsupc++/del_opvsa.cc: New.
	* libsupc++/Makefile.am: Build them.

From-SVN: r240056
 2016-09-09 17:22:15 -04:00
Tim Shen
f75d599982 variant: include bits/move.h for std::addressof. 
2016-09-05  Tim Shen  <timshen@google.com>

	* include/std/variant: include bits/move.h for std::addressof.

From-SVN: r240001
 2016-09-05 19:52:11 +00:00
Mikhail Strelnikov
eddca7bd73 variant (_Variant_storage::_M_storage()): Use std::addressof instead of operator& to take address. 
2016-09-05  Mikhail Strelnikov  <mikhail.strelnikov@gmail.com>

	* include/std/variant (_Variant_storage::_M_storage()): Use std::addressof
	instead of operator& to take address.

From-SVN: r239996
 2016-09-05 19:40:44 +00:00
Maxim Kuvyrkov
5a81036247 Use setrlimit for testing libstdc++ in cross toolchains 
* acinclude.m4 (GLIBCXX_CONFIGURE_TESTSUITE): Check for presence of
	setrlimit on both native and cross targets.
	* configure: Regenerate.

From-SVN: r239955
 2016-09-02 13:42:55 +00:00
Jonathan Wakely
7663cae227 Constrain std::shared_ptr assignment and resetting 
* include/bits/shared_ptr.h (_Assignable): New alias template.
	(shared_ptr::operator=(const shared_ptr<_Tp1>&))
	(shared_ptr::operator=(shared_ptr<_Tp1>&&))
	(shared_ptr::operator=(unique_ptr<_Tp1>&&)): Constrain with
	_Assignable.
	* include/bits/shared_ptr_base.h (_Assignable): New alias template.
	(__shared_ptr::operator=(const __shared_ptr<_Tp1>&))
	(__shared_ptr::operator=(__shared_ptr<_Tp1>&&))
	(__shared_ptr::operator=(unique_ptr<_Tp1>&&)): Constrain with
	_Assignable.
	(__shared_ptr::reset(_Tp1*), __shared_ptr::reset(_Tp1*, _Deleter))
	(__shared_ptr::reset(_Tp1*, _Deleter, _Alloc)): Constrain with
	_Convertible.
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Change dg-error to
	match on any line.
	* testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.
	* testsuite/20_util/shared_ptr/assign/sfinae.cc: New test.
	* testsuite/20_util/shared_ptr/assign/shared_ptr_neg.cc: Update
	expected errors. Remove unnecessary code.
	* testsuite/20_util/shared_ptr/modifiers/reset_sfinae.cc: New test.

From-SVN: r239898
 2016-08-31 17:57:20 +01:00
Jonathan Wakely
e46d22a821 Move comparison object in map/set move assignment 
* include/bits/stl_tree.h (_Rb_tree::operator=(_Rb_tree&&)): Move
	comparison object.
	* testsuite/23_containers/set/move_comparison.cc: New test.

From-SVN: r239897
 2016-08-31 17:57:14 +01:00
Jonathan Wakely
3625264fb3 Add test accidentally not added in revision r239121 
* testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc:
	New test.

From-SVN: r239896
 2016-08-31 17:57:09 +01:00
Ville Voutilainen
7875b41f1d re PR libstdc++/77395 (std::is_constructible is false for type constructible via implicit conversion operator affecting std::tuple) 
PR libstdc++/77395
	* include/std/type_traits (is_constructible): Forward-declare...
	(__is_base_to_derived_ref): ...and use here.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust.
	* testsuite/20_util/is_constructible/77395.cc: New.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/20_util/tuple/77395.cc: New.

From-SVN: r239870
 2016-08-30 21:46:11 +03:00
Uros Bizjak
e1becf59f9 2.cc: Move dg-do run directive above dg-require-namedlocale directive. 
* testsuite/22_locale/time_get/get/char/2.cc: Move dg-do run
	directive above dg-require-namedlocale directive.
	* testsuite/22_locale/time_get/get/wchar_t/2.cc: Ditto.
	* testsuite/27_io/manipulators/extended/get_time/char/2.cc: Ditto.
	* testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc: Ditto.
	* testsuite/27_io/manipulators/extended/put_time/char/2.cc: Ditto.
	* testsuite/27_io/manipulators/extended/put_time/wchar_t/2.cc: Ditto.

From-SVN: r239867
 2016-08-30 18:59:39 +02:00
Tim Shen
4aebb4e4a6 re PR libstdc++/77356 (regex error for a ECMAScript syntax string) 
PR libstdc++/77356
	* include/bits/regex_compiler.tcc(_M_insert_bracket_matcher,
	_M_expression_term): Modify to support dash literal.
	* include/bits/regex_scanner.h: Add dash as a token type to make
	a different from the mandated dash literal by escaping.
	* include/bits/regex_scanner.tcc(_M_scan_in_bracket): Emit dash
	token in bracket expression parsing.
	* testsuite/28_regex/regression.cc: Add new testcases.

From-SVN: r239794
 2016-08-27 02:03:23 +00:00
Jonathan Wakely
10491e4c04 libstdc++/51960 move-construction for raw_storage_iterator 
PR libstdc++/51960
	* doc/xml/manual/intro.xml: Document DR 2127 change.
	* doc/html/*: Regenerate.
	* include/bits/stl_raw_storage_iter.h (operator=(_Tp&&)): Add.
	(operator++(), operator++(int)): Use injected class name.
	* testsuite/20_util/raw_storage_iterator/dr2127.cc: New test.

From-SVN: r239781
 2016-08-26 14:11:29 +01:00
Jonathan Wakely
52066eae5d Use effective-target instead of -std options 
* testsuite/*: Use { target c++11 } or { target c++14 } instead of
	using -std in dg-options.

From-SVN: r239777
 2016-08-26 12:41:37 +01:00
Jonathan Wakely
e8223484b3 Restore dg-interpreter-batch-mode for libstdc++ tests 
2016-08-26  Jonathan Wakely  <jwakely@redhat.com>
	    Pedro Alves  <palves@redhat.com>

	* testsuite/lib/gdb-test.exp (gdb-dg-runtest): Define wrapper to save
	and restore dg-interpreter-batch-mode.
	* testsuite/libstdc++-prettyprinters/prettyprinters.exp: Use
	gdb-dg-runtest instead of dg-runtest.
	* testsuite/libstdc++-xmethods/xmethods.exp: Likewise.

Co-Authored-By: Pedro Alves <palves@redhat.com>

From-SVN: r239776
 2016-08-26 12:35:58 +01:00
Jonathan Wakely
86bbf15b6b Add new std::basic_string constructor (LWG 2583) 
* config/abi/pre/gnu.ver (GLIBCXX_3.4, GLIBCXX_3.4.21): Use more
	precise patterns for basic_string constructors.
	(GLIBCXX_3.4.23): Export new constructors.
	* doc/xml/manual/intro.xml: Document LWG 2583 status.
	* doc/html/*: Regenerate.
	* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
	(basic_string(const basic_string&, size_type, const Alloc&)): Add
	new constructor for LWG 2583.
	(basic_string(const basic_string&, size_type, size_type)): Remove
	default argument.
	[!_GLIBCXX_USE_CXX11_ABI]: Likewise.
	* include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]: Define it.
	* testsuite/21_strings/basic_string/cons/char/8.cc: New test.
	* testsuite/21_strings/basic_string/cons/wchar_t/8.cc: New test.

From-SVN: r239773
 2016-08-26 11:41:37 +01:00
Aditya Kumar
9a38acdfdc Remove trailing whitespace in C++ headers 
2016-08-24  Aditya Kumar  <hiraditya@msn.com>

	* include/bits/algorithmfwd.h: Remove trailing whitespace.
	* include/bits/shared_ptr_base.h: Likewise.

From-SVN: r239731
 2016-08-24 09:03:01 +01:00
Jonathan Wakely
e90a801017 Add C++17 constexpr to debug and profile mode arrays 
* include/debug/array (array): Add _GLIBCXX17_CONSTEXPR.
	* include/profile/array (array): Likewise.
	(array::swap): Fix exception specification for zero-sized arrays.

From-SVN: r239705
 2016-08-23 16:54:57 +01:00
Jonathan Wakely
5ea387db6c libstdc++/77334 move assign RB trees of non-copyable types 
PR libstdc++/77334
	* include/bits/stl_tree.h (_Rb_tree::_M_move_assign): New functions.
	(_Rb_tree::operator=(_Rb_tree&&)): Dispatch to _M_move_assign.
	* testsuite/23_containers/map/77334.cc: New test.

From-SVN: r239698
 2016-08-23 14:15:12 +01:00
Jonathan Wakely
5d1c6b3e76 Remove reference to -pthreads option in libstdc++ manual 
* doc/xml/manual/using.xml: Remove reference to -pthreads option.
	* doc/html/*: Regenerate.

From-SVN: r239693
 2016-08-23 11:13:36 +01:00
Jonathan Wakely
457c4a3fd2 Use dg-do preprocess instead of compile for tests 
* testsuite/experimental/feat-cxx14.cc: Only preprocess, not compile.
	* testsuite/experimental/feat-lib-fund.cc: Likewise.

From-SVN: r239692
 2016-08-23 11:13:31 +01:00
Jonathan Wakely
b405d54fcd Implement resolution of LWG DR 685 precisely 
PR libstdc++/71771
	* include/bits/stl_iterator.h
	(operator-(reverse_iterator<Iter>, reverse_iterator<Iter>): Only
	define for C++98 mode.
	(operator-(move_iterator<Iter>, move_iterator<Iter>): Don't define.
	* testsuite/24_iterators/headers/iterator/synopsis.cc: Use
	-std=gnu++98.
	* testsuite/24_iterators/headers/iterator/synopsis_c++11.cc: New test.
	* testsuite/24_iterators/headers/iterator/synopsis_c++14.cc: New test.
	* testsuite/24_iterators/headers/iterator/synopsis_c++17.cc: New test.
	* testsuite/24_iterators/move_iterator/greedy_ops.cc: Don't test
	difference operator.
	* testsuite/24_iterators/reverse_iterator/greedy_ops.cc: Only test
	difference operator for C++98.
	* testsuite/24_iterators/reverse_iterator/71771.cc: New test.

From-SVN: r239691
 2016-08-23 11:13:26 +01:00
Jonathan Wakely
06db992005 Add constexpr to <iterator> and <array> for C++17 
* include/bits/c++config (_GLIBCXX17_CONSTEXPR): Define.
	* include/bits/range_access.h (begin, end, rbegin, rend, crbegin)
	(crend): Add _GLIBCXX17_CONSTEXPR as per P0031R0.
	* include/bits/stl_iterator.h (reverse_iterator, move_iterator)
	(__make_reverse_iterator, make_reverse_iterator, make_move_iterator):
	Likewise.
	* include/bits/stl_iterator_base_funcs.h (__distance, __advance): Add
	_GLIBCXX14_CONSTEXPR.
	(distance, advance, next, prev): Add _GLIBCXX17_CONSTEXPR.
	* include/std/array (array::begin, array::end, array::rbegin)
	(array::rend, array::cbegin, array:cend, array::crbegin)
	(array::crend, array::operator[], array::at, array::front)
	(array::back, array::data): Likewise.
	* testsuite/24_iterators/headers/iterator/range_access.cc: Replace
	with separate tests for C++11, C++14, and C++17.
	* testsuite/24_iterators/headers/iterator/range_access_c++11.cc: New.
	* testsuite/24_iterators/headers/iterator/range_access_c++14.cc: New.
	* testsuite/24_iterators/headers/iterator/range_access_c++17.cc: New.

From-SVN: r239690
 2016-08-23 11:13:12 +01:00
Tim Shen
d79d625275 Split _M_dfs() into smaller functions. 
* regex_executor.h(_M_handle_repeat, _M_handle_subexpr_begin)
	(_M_handle_subexpr_end, _M_handle_line_begin_assertion)
	(_M_handle_line_end_assertion, _M_handle_word_boundary)
	(_M_handle_subexpr_lookahead, _M_handle_match)
	(_M_handle_backref, _M_handle_accept, _M_handle_alternative):
	Add separate function declarations.
	* regex_executor.tcc: Split _M_dfs() into multiple handler functions.

From-SVN: r239673
 2016-08-22 19:50:15 +00:00
Gleb Natapov
27abac2648 libstdc++/68297 avoid throw/catch in make_exception_ptr 
2016-08-22  Gleb Natapov  <gleb@scylladb.com>

	PR libstdc++/68297
	* config/abi/pre/gnu-versioned-namespace.ver: Export
	__cxa_init_primary_exception and std::exception_ptr(void*).
	* config/abi/pre/gnu.ver (CXXABI_1.3.11) : Add new symbol version and
	export __cxa_init_primary_exception and std::exception_ptr(void*).
	* include/Makefile.am: Add new headers.
	* include/Makefile.in: Regenerate.
	* libsupc++/Makefile.am: Add new headers.
	* libsupc++/Makefile.in: Regenerate.
	* libsupc++/cxxabi.h (__cxa_allocate_exception): Move to ...
	* libsupc++/cxxabi_init_exception.h: New header.
	(__cxa_init_primary_exception): Declare.
	* libsupc++/eh_throw.cc (__cxa_init_primary_exception): Define.
	(__cxa_throw): Use __cxa_init_primary_exception.
	* libsupc++/exception (std::exception): Move to ...
	* libsupc++/exception.h: New header.
	* libsupc++/exception_ptr.h (__exception_ptr::exception_ptr): Add
	friend declaration.
	(__exception_ptr::__dest_thunk): New function template.
	(std::make_exception_ptr) [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]:
	Use __cxa_allocate_exception and __cxa_init_primary_exception to
	create exception_ptr.
	* libsupc++/typeinfo: Include bits/exception.h instead of exception.
	* testsuite/util/testsuite_abi.cc: Add CXXABI_1.3.11 version.

From-SVN: r239664
 2016-08-22 18:29:31 +01:00
Jonathan Wakely
4c86ffccf9 Update links to libstdc++ Doxygen pages 
* doc/xml/api.xml: Replace hardcoded links for specific versions with
	link to docs for all releases.
	* doc/html/*: Regenerate.

From-SVN: r239663
 2016-08-22 17:47:39 +01:00
Jonathan Wakely
94f54d47ca Add noexcept to std::function swap 
PR libstdc++/77322
	* doc/xml/manual/intro.xml: Document DR 2062 change.
	* include/std/functional (function::swap): Add noexcept.
	(swap(function<Res(Args...)&, function<Res(Args...)&)): Likewise.
	* testsuite/20_util/function/77322.cc: New test.

From-SVN: r239662
 2016-08-22 17:47:34 +01:00
Jonathan Wakely
71c54f8ea2 Simplify dg-options for tests using pthreads 
* testsuite/21_strings/basic_string/pthread18185.cc: Use -pthread for
	*-*-solaris* instead of -pthreads.
	* testsuite/21_strings/basic_string/pthread4.cc : Likewise.
	* testsuite/22_locale/locale/cons/12658_thread-1.cc: Likewise.
	* testsuite/22_locale/locale/cons/12658_thread-2.cc: Likewise.
	* testsuite/23_containers/list/pthread1.cc: Likewise.
	* testsuite/23_containers/list/pthread5.cc: Likewise.
	* testsuite/23_containers/map/pthread6.cc: Likewise.
	* testsuite/27_io/basic_ofstream/pthread2.cc: Likewise.
	* testsuite/27_io/basic_ostringstream/pthread3.cc: Likewise.
	* testsuite/30_threads/shared_mutex/*: Likewise.
	* testsuite/ext/rope/pthread7-rope.cc: Likewise.
	* testsuite/tr1/2_general_utilities/shared_ptr/thread/
	default_weaktoshared.cc: Likewise.
	* testsuite/tr1/2_general_utilities/shared_ptr/thread/
	mutex_weaktoshared.cc: Likewise.
	* testsuite/20_util/shared_ptr/atomic/3.cc: Likewise. Use
	dg-require-effective-target instead of using -std option.
	* testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
	Likewise.
	* testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
	* testsuite/23_containers/vector/debug/multithreaded_swap.cc:
	Likewise.
	* testsuite/30_threads/async/*: Likewise.
	* testsuite/30_threads/call_once/*: Likewise.
	* testsuite/30_threads/condition_variable/*: Likewise.
	* testsuite/30_threads/condition_variable_any/*: Likewise.
	* testsuite/30_threads/future/*: Likewise.
	* testsuite/30_threads/lock/*: Likewise.
	* testsuite/30_threads/mutex/*: Likewise.
	* testsuite/30_threads/packaged_task/*: Likewise.
	* testsuite/30_threads/promise/*: Likewise.
	* testsuite/30_threads/recursive_mutex/*: Likewise.
	* testsuite/30_threads/recursive_timed_mutex/*: Likewise.
	* testsuite/30_threads/shared_future/*: Likewise.
	* testsuite/30_threads/shared_lock/*: Likewise.
	* testsuite/30_threads/shared_timed_mutex/*: Likewise.
	* testsuite/30_threads/this_thread/*: Likewise.
	* testsuite/30_threads/thread/*: Likewise.
	* testsuite/30_threads/timed_mutex/*: Likewise.
	* testsuite/30_threads/try_lock/*: Likewise.
	* testsuite/30_threads/unique_lock/*: Likewise.

From-SVN: r239624
 2016-08-19 17:36:07 +01:00
Jonathan Wakely
e6ee5bfd68 Define std::not_fn for C++17 
* doc/xml/manual/status_cxx2017.xml: Update status of not_fn.
	* doc/html/*: Regenerate.
	* include/experimental/functional (_Not_fn, not_fn): Match C++17
	semantics.
	* include/std/functional (_Not_fn, not_fn): Define for C++17.
	* testsuite/20_util/not_fn/1.cc: New.
	* testsuite/experimental/functional/not_fn.cc: Test abstract class.
	Remove test for volatile-qualified wrapper.

From-SVN: r239623
 2016-08-19 16:42:34 +01:00
Jonathan Wakely
387edf83a0 Define std::atomic<T>::is_always_lock_free for C++17 
* include/std/atomic (atomic::is_always_lock_free): Define.
	* testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
	* testsuite/29_atomics/atomic/is_always_lock_free.cc: New.
	* testsuite/29_atomics/atomic_integral/is_always_lock_free.cc: New.
	* doc/xml/manual/status_cxx2017.xml: Update status.
	* doc/html/*: Regenerate.

From-SVN: r239622
 2016-08-19 16:42:27 +01:00
Jonathan Wakely
285ee2fb11 Fix ambiguities in C++17 mode 
* include/experimental/tuple (apply): Qualify call to __apply_impl.
	* include/std/tuple (apply): Likewise.
	* testsuite/experimental/system_error/value.cc: Fix ambiguities in
	C++17 mode.
	* testsuite/experimental/tuple/tuple_size.cc: Likewise.
	* testsuite/experimental/type_traits/value.cc: Likewise.

From-SVN: r239621
 2016-08-19 16:42:11 +01:00
Jonathan Wakely
1f4ed04ed8 Update C++17 library status table 
* doc/xml/manual/status_cxx2017.xml: Update status of make_from_tuple
	and variant.
	* doc/html/*: Regenerate.

From-SVN: r239608
 2016-08-19 09:16:13 +01:00
Ville Voutilainen
a577f786b6 Implement the latest proposed resolution of LWG 2756. 
* include/std/optional (Optional_base(const _Tp&))
	(Optional_base(_Tp&&), using _Base::_Base): Remove.
	(optional(nullopt_t)): New.
	(optional(_Up&&)): Invoke base directly with in_place
	rather than creating a temporary, add default template
	argument, change constraints.
	(optional(const optional<_Up>&)): Invoke base directly
	with in_place, remove unnecessary constraints.
	(optional(optional<_Up>&& __t)): Likewise.
	(optional(in_place_t, _Args&&...)): New.
	(optional(in_place_t, initializer_list<_Up>, _Args&&...)): Likewise.
	(operator=(_Up&&)): Add default template argument, change constraints.
	(operator=(const optional<_Up>&)): Put is_same first in the
	constraints.
	(operator=(optional<_Up>&&)): Likewise.
	* testsuite/20_util/optional/assignment/5.cc: Add a test to
	verify assignment from something that can't be perfect-forwarded.
	* testsuite/20_util/optional/cons/value.cc: Add tests to verify
	that a nested optional is disengaged when constructed
	from a disengaged element type,	and to verify that assignments
	from an engaged element type engage the optional.

From-SVN: r239593
 2016-08-18 23:33:57 +03:00
Tim Shen
197c757cb1 Implement <variant> 
* include/Makefile.am: Add new file std/variant.
	* include/Makefile.in: Generated from Makefile.am.
	* include/bits/enable_special_members.h: Add a tag type to allow
	the construction in non-default constructor.
	* include/bits/uses_allocator.h: Add convenience traits to
	detect constructibility.
	* include/std/variant: Implement <variant>.
	* testsuite/20_util/variant/compile.cc: Compile-time tests.
	* testsuite/20_util/variant/run.cc: Runtime tests.

From-SVN: r239590
 2016-08-18 20:31:26 +00:00
Jonathan Wakely
0b224dcf60 Expand libstdc++ docs on testing 
* doc/xml/manual/test.xml (test.run.permutations): Expand section.
	(test.new_tests): Rewrite section.
	(tests.dg.directives): New section.
	* doc/html/*: Regenerate.

From-SVN: r239574
 2016-08-18 14:47:42 +01:00
Jonathan Wakely
b56d48ef86 Improve documentation of libstdc++ test targets 
* doc/xml/manual/test.xml: Improve documentation of test targets.
	Document new-abi-baseline, check-debug, and check-parallel targets.

From-SVN: r239573
 2016-08-18 14:47:37 +01:00
Jonathan Wakely
409d55557b Document libstdc++.so versioning in manual 
* doc/xml/manual/build_hacking.xml: New section on shared library
	versioning.

From-SVN: r239572
 2016-08-18 14:47:33 +01:00
Jonathan Wakely
a8107a983f Improve markup in libstdc++ manual 
* doc/xml/manual/build_hacking.xml: Improve markup.
	* doc/xml/manual/test.xml: Likewise. Change section title from "Test"
	to "Testing".
	* doc/xml/faq.xml: Change link text to "Testing".

From-SVN: r239571
 2016-08-18 14:47:28 +01:00
Jonathan Wakely
6cb9849199 Remove unintended dg-options directive 
* testsuite/tr1/3_function_objects/function/10.cc: Remove unintended
	dg-options directive.

From-SVN: r239564
 2016-08-18 10:58:28 +01:00
Jonathan Wakely
6fbf26cc57 Fix invalid dg-do directive 
* testsuite/20_util/reference_wrapper/invoke-2.cc: Fix invalid dg-do
	directive and use effective target instead of dg-options.

From-SVN: r239548
 2016-08-17 20:58:44 +01:00
Jonathan Wakely
18a20f3f25 Use effective target instead of -std in dg-options 
* testsuite/20_util/hash/chi2_q_bit_flip_set.cc: Use effective target
	instead of -std in dg-options.
	* testsuite/20_util/hash/chi2_q_bit_string_set.cc: Likewise.
	* testsuite/20_util/hash/chi2_q_numeric_pattern_set.cc: Likewise.
	* testsuite/20_util/hash/chi2_q_uniform_random.cc: Likewise.
	* testsuite/20_util/hash/quality.cc: Likewise.
	* testsuite/25_algorithms/heap/moveable.cc: Likewise.
	* testsuite/25_algorithms/heap/moveable2.cc: Likewise.
	* testsuite/25_algorithms/nth_element/random_test.cc: Likewise.
	* testsuite/25_algorithms/partial_sort/random_test.cc: Likewise.
	* testsuite/25_algorithms/partial_sort_copy/random_test.cc: Likewise.
	* testsuite/25_algorithms/sort/random_test.cc: Likewise.

From-SVN: r239547
 2016-08-17 20:43:13 +01:00
Jonathan Wakely
f771720378 Add c++11 effective target to tests for C++11 features 
* testsuite/20_util/tuple/67844.cc: Require c++11 effective target.
	* testsuite/20_util/tuple/cons/nested_tuple_construct.cc: Likewise.
	* testsuite/27_io/rvalue_streams.cc: Likewise.

From-SVN: r239545
 2016-08-17 20:23:15 +01:00
Jonathan Wakely
e30c6e0c14 Add comment explaining why -std=c++14 is needed. 
* testsuite/26_numerics/complex/literals/types.cc: Add comment.

From-SVN: r239543
 2016-08-17 17:09:15 +01:00
Jonathan Wakely
e07f4b008d Remove duplicate dg-options directive 
* testsuite/21_strings/basic_string_view/operations/rfind/char/2.cc:
	Remove duplicate dg-options directive.

From-SVN: r239538
 2016-08-17 15:11:20 +01:00
Jonathan Wakely
37144e84aa Adjust DG directives in libstdc++ Profile Mode test 
* testsuite/ext/profile/all.cc: Use effective target instead of
	-std=gnu++11. Use dg-additional-options instead of repeating options.

From-SVN: r239536
 2016-08-17 14:39:14 +01:00
Jonathan Wakely
8fe79e7334 Adjust DG directives in libstdc++ XFAIL test 
* testsuite/20_util/bind/ref_neg.cc: Use effective target instead of
	-std=gnu++11. Add -fno-show-columns to dg-options. Use dg-prune-output
	instead of dg-excess-errors.

From-SVN: r239535
 2016-08-17 14:39:10 +01:00
Jonathan Wakely
c42966921a Adjust testcases for C++17 compatibility 
* testsuite/26_numerics/headers/cmath/types_std_c++0x_neg.cc: Disable
	test for C++17.
	* testsuite/experimental/chrono/value.cc: Avoid ambiguities in C++17.
	* testsuite/experimental/ratio/value.cc: Likewise.
	* testsuite/ext/pb_ds/regression/hash_map_rand.cc: Disable test for
	C++17.
	* testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
	* testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	10_cyl_bessel_k/airy.cc: Adjust namespace of __detail::__airy for
	C++17 compatibility.

From-SVN: r239534
 2016-08-17 14:39:05 +01:00
Jonathan Wakely
ba364478df Adjust testcase for C++14 compatibility 
* testsuite/24_iterators/headers/iterator/range_access.cc: Adjust
	expected signatures for C++14 compatibility.

From-SVN: r239533
 2016-08-17 14:38:58 +01:00
Jonathan Wakely
657213f736 PR 77264 constrain new std::basic_string overloads 
PR libstdc++/77264
	* include/bits/basic_string.h (operator=(__sv_type)
	(append(__sv_type), assign(__sv_type), insert(size_type, __sv_type))
	(replace(size_type, size_type, __sv_type))
	(replace(const_iterator, const_iterator, __sv_type))
	(find(__sv_type, size_type), rfind(__sv_type, size_type))
	(compare(size_type, size_type, __sv_type)): Reformat.
	(_If_sv): Define helper for SFINAE constaints.
	(append(const _Tp&, size_type, size_type))
	(assign(const _Tp&, size_type, size_type))
	(insert(size_type, const _Tp&, size_type, size_type))
	(replace(size_type, size_type, const _Tp&, size_type, size_type)):
	Use _If_sv.
	* testsuite/21_strings/basic_string/modifiers/append/char/4.cc: Test
	SFINAE constraints.
	* testsuite/21_strings/basic_string/modifiers/append/wchar_t/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/replace/char/7.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/replace/wchar_t/7.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/assign/char/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/assign/wchar_t/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/insert/char/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/insert/wchar_t/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/replace/char/7.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operations/compare/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operations/compare/wchar_t/2.cc:
	Likewise.

From-SVN: r239532
 2016-08-17 14:38:52 +01:00
Jonathan Wakely
32917686b0 PR 72847 Prevent double-free in std::vector<bool> 
PR libstdc++/72847
	* include/bits/stl_bvector.h (_Bvector_base::_M_deallocate): Zero
	pointers to start and end of storage.
	* testsuite/23_containers/vector/bool/72847.cc: New test.
	* include/bits/vector.tcc (vector<bool>::_M_reallocate): Only update
	_M_finish after deallocating.
	(vector<bool>::_M_fill_insert): Likewise.
	(vector<bool>::_M_insert_range): Likewise.
	(vector<bool>::_M_insert_aux): Likewise.

From-SVN: r239497
 2016-08-16 12:33:16 +01:00
Ville Voutilainen
5c578ae434 Implement LWG 2744 and LWG 2754. 
* include/std/any (any(ValueType&&)): Constrain with __is_in_place_type.
	(any(in_place_type_t<_ValueType>, _Args&&...)): Use _Decay.
	(any(in_place_type_t<_ValueType>, initializer_list<_Up>, _Args&&...)):
	Likewise.
	(emplace(_Args&&...)): Likewise.
	(emplace(initializer_list<_Up>, _Args&&...)): Likewise.
	* include/std/utility: (__is_in_place_type_impl): New.
	(__is_in_place_type): Likewise.
	* testsuite/20_util/any/assign/emplace.cc: Add tests for decaying
	emplace.
	* testsuite/20_util/any/cons/in_place.cc: Add tests for decaying
	in_place constructor.
	* testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
	* testsuite/20_util/any/requirements.cc: Add a test for
	in_place-constructing a non-default-constructible type.

From-SVN: r239482
 2016-08-15 18:06:09 +03:00
Ville Voutilainen
24299f6544 Add a feature macro for C++17 make_from_tuple. 
* include/std/tuple (__cpp_lib_make_from_tuple): New.
	* testsuite/20_util/tuple/make_from_tuple/1.cc: Adjust.

From-SVN: r239480
 2016-08-15 15:46:47 +03:00
Uros Bizjak
0657379e3b ops.cc: Always include ostream and ext/stdio_filebuf.h. 
* src/filesystem/ops.cc: Always include ostream and
	ext/stdio_filebuf.h.
	(do_copy_file): Check if _GLIBCXX_USE_FCHMODAT is defined.
	[_GLIBCXX_USE_SENDFILE]: Fallback to read/write operations in case
	sendfile fails with ENOSYS or EINVAL.

From-SVN: r239479
 2016-08-15 13:40:37 +02:00
Thomas Preud'homme
f9657322cf re PR testsuite/72840 (PASS->NA: 20_util/ratio/cons/cons_overflow_neg.cc) 
2016-08-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    PR libstdc++/72840
    * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Fix dg-error
    syntax.

From-SVN: r239463
 2016-08-15 09:14:15 +00:00
Ville Voutilainen
ca1ab6be3b Implement C++17 make_from_tuple. 
* include/std/tuple (__make_from_tuple_impl, make_from_tuple): New.
	* testsuite/20_util/tuple/make_from_tuple/1.cc: Likewise.

From-SVN: r239372
 2016-08-11 17:51:47 +03:00
Ville Voutilainen
68a51b68bd Implement LWG 2758. 
* include/bits/basic_string.h
	(append(__sv_type, size_type, size_type)): Turn into a template,
	change parameter type, constrain, add a conversion to __sv_type
	from the dependent parameter type.
	(assign(__sv_type, size_type, size_type)): Likewise.
	(insert(size_type, __sv_type, size_type, size_type)): Likewise.
	(replace(size_type, size_type, __sv_type, size_type, size_type)):
	Likewise.
	(compare(size_type, size_type,__sv_type, size_type, size_type)):
	Likewise.
	* testsuite/21_strings/basic_string/lwg2758.cc: New.

From-SVN: r239370
 2016-08-11 17:45:23 +03:00
Jonathan Wakely
caee9cdee7 Update C++17 library status table 
* doc/xml/manual/status_cxx2017.xml: Update status table.
	* doc/html/manual/status.html: Regenerate.

From-SVN: r239209
 2016-08-06 13:45:58 +01:00
Jonathan Wakely
ea2f1f4947 * testsuite/lib/libstdc++.exp: Fix typo in comment. 
From-SVN: r239193
 2016-08-06 11:44:17 +01:00
Jonathan Wakely
6ef835c6c0 Use ::new to avoid finding overloaded operator new 
PR libstdc++/72820
	* include/std/functional (_Function_base::_Base_manager::_M_clone):
	Qualify new operator.
	* testsuite/20_util/function/cons/72820.cc: New test.

From-SVN: r239191
 2016-08-06 11:21:07 +01:00
Jonathan Wakely
3e9f67e6a2 Add std::apply for C++17 
* doc/xml/manual/status_cxx2017.xml: Add missing LFTSv2 features.
	* doc/html/manual/status.html: Regenerate.
	* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/bits/invoke.h: New header.
	(__invoke): Make constexpr. Add && to types in exception specification.
	* include/experimental/tuple (apply, __apply_impl): Fix non-reserved
	names. Include <bits/invoke.h> and use std::__invoke.
	* include/std/functional (__invfwd, __invoke_impl, __invoke): Move to
	new header.
	(invoke): Add && to types in exception specification.
	* include/std/tuple (apply, __apply_impl): Define for C++17.
	* testsuite/20_util/tuple/apply/1.cc: New test.
	* testsuite/20_util/tuple/element_access/get_neg.cc: Adjust dg-error
	lineno.

From-SVN: r239183
 2016-08-06 01:06:02 +01:00
Jonathan Wakely
a0b1bf2181 Correct status of __cpp_lib_enable_shared_from_this 
* doc/xml/manual/status_cxx2017.xml: Correct shared_from_this status.
	* doc/html/manual/status.html: Regenerate.

From-SVN: r239171
 2016-08-05 14:57:30 +01:00
Jonathan Wakely
5f6acdfb0b Implement C++17 rounding functions for std::chrono (P0092R1) 
* include/std/chrono (floor, ceil, round, abs): New for C++17.
	* testsuite/20_util/duration_cast/rounding.cc: New test.
	* testsuite/20_util/time_point_cast/rounding.cc: New test.
	* doc/xml/manual/status_cxx2017.xml: Update status table.
	* doc/html/manual/status.html: Regenerate.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
	dg-error lineno.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
	* testsuite/20_util/duration/literals/range.cc: Likewise.

From-SVN: r239170
 2016-08-05 14:52:59 +01:00
Jonathan Wakely
98e6e66233 Use __invoke in std::function internals 
* include/std/functional (__callable_functor): Remove.
	(_Function_handler::_M_invoke): Use __invoke instead of
	__callable_functor or mem_fn.
	(function::_Callable): Use lvalue in result_of expression.
	(function): Remove TODO comments about allocators.
	* testsuite/20_util/function/cons/refqual.cc: New test.

From-SVN: r239166
 2016-08-05 10:00:34 +01:00
Jonathan Wakely
42183d034d Define std::is_callable and std::is_nothrow_callable 
* doc/xml/manual/status_cxx2017.xml: Update status table.
	* include/std/functional (__inv_unwrap): Move to <type_traits>.
	(__invoke_impl): Remove exception specifications.
	(__invoke, invoke): Add exception specifications using
	__is_nothrow_callable.
	* include/std/type_traits (__inv_unwrap): Move from <functional>.
	(__is_callable_impl, __call_is_nt, __call_is_nothrow): New helpers.
	(__is_callable, __is_nothrow_callable): New traits.
	(is_callable, is_callable_v): New C++17 traits.
	(is_nothrow_callable, is_nothrow_callable_v): Likewise.
	* testsuite/20_util/is_callable/requirements/
	explicit_instantiation.cc: New test.
	* testsuite/20_util/is_callable/requirements/
	explicit_instantiation_ext.cc: New test.
	* testsuite/20_util/is_callable/requirements/typedefs.cc: New test.
	* testsuite/20_util/is_callable/requirements/typedefs_ext.cc: New
	test.
	* testsuite/20_util/is_callable/value.cc: New test.
	* testsuite/20_util/is_callable/value_ext.cc: New test.
	* testsuite/20_util/is_nothrow_callable/requirements/
	explicit_instantiation.cc: New test.
	* testsuite/20_util/is_nothrow_callable/requirements/
	explicit_instantiation_ext.cc: New test.
	* testsuite/20_util/is_nothrow_callable/requirements/typedefs.cc:
	New test.
	* testsuite/20_util/is_nothrow_callable/requirements/typedefs_ext.cc:
	New test.
	* testsuite/20_util/is_nothrow_callable/value.cc: New test.
	* testsuite/20_util/is_nothrow_callable/value_ext.cc: New test.

From-SVN: r239145
 2016-08-04 19:02:56 +01:00
Jonathan Wakely
246c618e71 Update C++17 library implementation status table 
* doc/xml/manual/status_cxx2017.xml: Update C++17 status table.
	* doc/html/manual/status.html: Regenerate.

From-SVN: r239124
 2016-08-04 14:33:02 +01:00
Jonathan Wakely
9a8e528cf1 Define std::enable_shared_from_this::weak_from_this 
* testsuite/20_util/enable_shared_from_this/members/reinit.cc: Use
	effective target not dg-options. Move check for feature-test macro to:
	* testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc:
	New test.

From-SVN: r239121
 2016-08-04 13:33:10 +01:00
Jonathan Wakely
7d2035fafe Simplify std::__invoke_impl definitions 
* include/std/functional (_Unwrap): Rename to __inv_unwrap.
	(__invfwd): Adjust.
	(__invoke_impl): Remove unused template parameters.
	* testsuite/20_util/function_objects/invoke/59768.cc: Remove unused
	parameter.
	* testsuite/20_util/function_objects/invoke/ref_ext.cc: Copy 59768.cc
	and test __invoke extension for C++11.

From-SVN: r239120
 2016-08-04 12:09:29 +01:00
Jonathan Wakely
c7fdbdcdbd Define feature-test macro for std::enable_shared_from_this 
* include/bits/shared_ptr_base.h (__cpp_lib_enable_shared_from_this):
	Define feature-test macro.
	* testsuite/20_util/enable_shared_from_this/members/reinit.cc: Test
	for the macro.

From-SVN: r239094
 2016-08-03 20:10:06 +01:00
Jonathan Wakely
f21f4463ad Define std::shared_ptr::weak_type 
* include/bits/shared_ptr.h (shared_ptr::weak_type): Define.
	* include/bits/shared_ptr_base.h (__shared_ptr::weak_type): Define.
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Adjust dg-error.
	* testsuite/20_util/shared_ptr/requirements/weak_type.cc: New test.
	* testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.

From-SVN: r239093
 2016-08-03 20:09:57 +01:00
Jonathan Wakely
32eaac9c91 Define std::as_const 
* include/std/utility (as_const): Define.
	* testsuite/20_util/as_const/1.cc: New test.
	* testsuite/20_util/as_const/rvalue_neg.cc: New test.

From-SVN: r239090
 2016-08-03 19:11:23 +01:00
Jonathan Wakely
b7dabce5f3 Define std::owner_less<void> specialization (P0074R0) 
* include/bits/shared_ptr.h (owner_less): Add default template
	argument.
	* include/bits/shared_ptr_base.h (_Sp_owner_less<void, void>): Define
	specialization.
	(owner_less<void>): Define specialization.
	* include/bits/stl_function.h (__cpp_lib_transparent_operators):
	Update value.
	* testsuite/20_util/owner_less/void.cc: New test.
	* testsuite/experimental/feat-cxx14.cc: Update macro value tested.

From-SVN: r239089
 2016-08-03 19:11:18 +01:00
Jonathan Wakely
068c8ac17c Define C++17 feature-test macros 
* include/bits/allocator.h (__cpp_lib_incomplete_container_elements):
	Define feature-test macro.
	* include/bits/range_access.h (__cpp_lib_array_constexpr): Likewise.
	* include/std/shared_mutex (__cpp_lib_shared_mutex): Uncomment.
	* include/std/type_traits (__cpp_lib_logical_traits): Fix value.
	(__cpp_lib_type_trait_variable_templates): Define.

From-SVN: r239088
 2016-08-03 19:11:10 +01:00
Jonathan Wakely
0bd9bdb4db Define __cpp_lib_generic_associative_lookup feature-test macro 
* include/bits/stl_function.h: Remove commented-out macro.
	* include/bits/stl_tree.h (__cpp_lib_generic_associative_lookup):
	Define feature-test macro.
	* testsuite/experimental/feat-cxx14.cc: Add tests for more macros.

From-SVN: r239084
 2016-08-03 17:42:31 +01:00
Jonathan Wakely
f8571e5150 Enable Mathematical Special Functions for C++17 
* include/bits/c++config (_GLIBCXX_USE_STD_SPEC_FUNCS): Define for
	C++17, or for C++11/C++14 when __STDCPP_WANT_MATH_SPEC_FUNCS__ is
	true.
	* include/bits/specfun.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]: Don't
	do #error for C++17.
	* include/c_global/cmath: Check _GLIBCXX_USE_STD_SPEC_FUNCS instead
	of __STDCPP_WANT_MATH_SPEC_FUNCS__.
	* include/tr1/bessel_function.tcc: Likewise.
	* include/tr1/beta_function.tcc: Likewise.
	* include/tr1/cmath: Likewise.
	* include/tr1/ell_integral.tcc: Likewise.
	* include/tr1/exp_integral.tcc: Likewise.
	* include/tr1/gamma.tcc: Likewise.
	* include/tr1/hypergeometric.tcc: Likewise.
	* include/tr1/legendre_function.tcc: Likewise.
	* include/tr1/modified_bessel_func.tcc: Likewise.
	* include/tr1/poly_hermite.tcc: Likewise.
	* include/tr1/poly_laguerre.tcc: Likewise.
	* include/tr1/riemann_zeta.tcc: Likewise.
	* include/tr1/special_function_util.h: Likewise.
	* testsuite/26_numerics/headers/cmath/functions_std_c++17.cc: New.

From-SVN: r239081
 2016-08-03 16:54:13 +01:00