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Author SHA1 Message Date
Jason Merrill 20316b9b2e Constrain std::variant constructor for class template argument deduction 
2017-07-14  Jason Merrill  <jason@redhat.com>
	    Jonathan Wakely  <jwakely@redhat.com>

	* include/std/variant (variant::variant(_Tp&&)): Constrain to remove
	the constructor for empty variants from the candidate functions
	during class template argument deduction.
	* testsuite/20_util/variant/deduction.cc: New.

Co-Authored-By: Jonathan Wakely <jwakely@redhat.com>

From-SVN: r250213
 2017-07-14 20:13:49 +01:00
Jonathan Wakely 6a28a7531b Improvements to the libstdc++ FAQ and manual 
* doc/xml/faq.xml: Update several old entries. Improve
	cross-references.
	* doc/xml/manual/intro.xml: Add anchors to each DR.
	* doc/html/*: Regenerate.

From-SVN: r250125
 2017-07-11 12:11:33 +01:00
Jonathan Wakely b0e90d2acf Include missing header for std::free 
* testsuite/abi/pr42230.cc: Add header for std::free.

From-SVN: r250102
 2017-07-10 19:43:02 +01:00
Jonathan Wakely 387c17d312 PR libstdc++/81381 support stateful allocators in basic_stringbuf 
PR libstdc++/81381
	* include/bits/sstream.tcc (basic_stringbuf::overflow)
	(basic_stringbuf::basic_stringbuf(const __string_type&, ios::mode))
	(basic_stringbuf::str()): Construct new strings with an allocator.
	* testsuite/27_io/basic_stringbuf/cons/81381.cc: New.

From-SVN: r250101
 2017-07-10 18:59:02 +01:00
Jonathan Wakely 93ef155b3d PR libstdc++/81338 correctly manage string capacity 
PR libstdc++/81338
	* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
	Declare basic_stringbuf to be a friend.
	* include/bits/sstream.tcc (basic_stringbuf::overflow)
	[_GLIBCXX_USE_CXX11_ABI]: Use unused capacity before reallocating.
	* include/std/sstream (basic_stringbuf::__xfer_bufptrs): Update string
	length to buffer length.
	* testsuite/27_io/basic_stringstream/assign/81338.cc: New.

From-SVN: r250100
 2017-07-10 18:58:56 +01:00
Jonathan Wakely 32aaf6ef10 Fix memory leaks in libstdc++ tests 
* testsuite/20_util/specialized_algorithms/memory_management_tools/
	1.cc: Free memory.
	* testsuite/22_locale/locale/cons/5.cc: Remove redundant restoration
	of original environment and free memory.

From-SVN: r250021
 2017-07-06 13:42:51 +01:00
Jonathan Wakely 4f7c2c7ff2 Fix memory leaks in libstdc++ ABI tests 
* testsuite/abi/pr42230.cc: Free memory.
	* testsuite/util/testsuite_abi.cc (demangle): Return std::string
	instead of pointer that might need freeing.
	* testsuite/util/testsuite_abi.h (demangle): Likewise.
	* testsuite/util/testsuite_hooks.cc (verify_demangle): Free memory.

From-SVN: r250020
 2017-07-06 13:42:46 +01:00
Jonathan Wakely 318c48e304 Prevent __uses_alloc from holding dangling references 
* include/bits/uses_allocator.h (__use_alloc(const _Alloc&&)): Add
	deleted overload to prevent dangling references to rvalues.
	* include/experimental/memory_resource
	(polymorphic_allocator::construct): Do not call __use_alloc with
	rvalue arguments.

From-SVN: r250019
 2017-07-06 12:54:10 +01:00
Tim Shen 7050372474 re PR libstdc++/80187 (C++ variant should be trivially copy constructible if possible) 
PR libstdc++/80187
	* include/std/variant (variant::variant, variant::~variant,
	variant::operator=): Implement triviality forwarding for four
	special member functions.
	* testsuite/20_util/variant/compile.cc: Tests.

From-SVN: r249706
 2017-06-27 18:19:03 +00:00
Jonathan Wakely 68fe5f441e PR libstdc++/81221 only run new test for check-parallel 
PR libstdc++/81221
	* testsuite/25_algorithms/sample/81221.cc: Disable except for
	check-parallel.

From-SVN: r249697
 2017-06-27 17:19:16 +01:00
Jonathan Wakely e708b94bb7 PR libstdc++/81221 fix namespace qualification for parallel mode 
PR libstdc++/81221
	* include/bits/stl_algo.h (sample): Qualify with _GLIBCXX_STD_A not
	std.
	* testsuite/25_algorithms/sample/81221.cc: New.

From-SVN: r249692
 2017-06-27 15:44:50 +01:00
Jonathan Wakely b6d03af0b1 PR libstdc++/81173 fix undefined memset with null pointer 
PR libstdc++/81173
	* include/bits/stl_bvector.h (vector<bool>::_M_initialize_value):
	Do not pass null pointer to memset.

From-SVN: r249554
 2017-06-22 15:16:38 +01:00
Ville Voutilainen 5e88d2d08d PR libstdc++/80675, PR libstdc++/80940 
* include/std/istream:
(__is_convertible_to_basic_istream_test(basic_istream<_Ch, _Up>*)): New.
(__do_is_convertible_to_basic_istream_impl): Likewise.
(__is_convertible_to_basic_istream_impl): Likewise.
(__is_convertible_to_basic_istream): Use the new base.
(__rvalue_istream_type): New.
(operator>>(_Istream&&, _Tp&&)): Use the new helper alias
for the SFINAE check, convert to the helper alias type before
doing the actual extraction.
* include/std/ostream:
(__is_convertible_to_basic_ostream_test(basic_ostream<_Ch, _Up>*)): New.
(__do_is_convertible_to_basic_ostream_impl): Likewise.
(__is_convertible_to_basic_ostream_impl): Likewise.
(__is_convertible_to_basic_ostream): Use the new base.
(__rvalue_ostream_type): New.
(operator<<(_Ostream&&, const _Tp&)): Use the new helper alias
for the SFINAE check, convert to the helper alias type before
doing the actual insertion.
* testsuite/27_io/rvalue_streams-2.cc: Add new tests.

From-SVN: r249468
 2017-06-21 22:53:26 +03:00
Ramana Radhakrishnan 6bea305b3e Update baseline symbols for aarch64-none-linux-gnu 
* config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Regenerate

From-SVN: r249454
 2017-06-21 14:38:56 +00:00
Jonathan Wakely ed39d22d1b PR libstdc++/81092 Regenerate configure for libtool_VERSION change 
PR libstdc++/81092
	* configure: Regenerate.

From-SVN: r249438
 2017-06-21 09:55:26 +01:00
Uros Bizjak 3263979465 baseline_symbols.txt: Update. 
* config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.

From-SVN: r249418
 2017-06-20 17:50:57 +02:00
Rainer Orth 67ea3f4e0f Always check for target i?86 and x86_64 
libstdc++-v3:
	* testsuite/20_util/variant/index_type.cc: Allow for all ilp32 and
	lp64 targets.

	gcc/testsuite:
	* c-c++-common/fold-masked-cmp-1.c: Allow for i?86-*-* target.
	* c-c++-common/fold-masked-cmp-2.c: Likewise.
	* c-c++-common/fold-masked-cmp-3.c: Likewise.
	* g++.dg/cpp0x/alignas4.C: Allow for i?86-*-* target, don't
	restrict to x86_64-*-*-gnu.
	Skip scan-assembler on *-*-darwin*.
	* g++.dg/vect/pr70944.cc: Allow for i?86-*-* target.
	* gcc.dg/loop-invariant.c: Likewise.
	* gcc.dg/lto/pr70955_0.c: Likewise.
	* gcc.dg/tree-ssa/pr69196-1.c: Likewise.
	* gcc.dg/tree-ssa/pr79803.c: Likewise.
	* gfortran.dg/pr68078.f90: Allow for i?86-*-linux*.

	* g++.dg/debug/dwarf2/const2b.C: Allow for x86_64-*-* target.
	* gcc.dg/attr-ms_struct-1.c: Allow for all i?86-*-*, x86_64-*-*
	targets.
	* gcc.dg/attr-ms_struct-2.c: Likewise.
	* gcc.dg/attr-ms_struct-packed1.c: Likewise.
	* gcc.dg/bf-ms-layout.c: Likewise.
	* gcc.dg/bf-ms-layout-2.c: Likewise.
	* gcc.dg/pic-macro-define.c: Remove target restrictions.
	Require fpic support.
	* gcc.target/i386/bitfield1.c: Allow for all i?86-*-*, x86_64-*-*
	targets.
	* gcc.target/i386/bitfield2.c: Likewise.
	* gcc.target/i386/darwin-fpmath.c: Allow for x86_64-*-darwin*
	targets.
	* gfortran.dg/fmt_pf.f90: Remove i?86-*-solaris2.9* from xfail.

From-SVN: r249409
 2017-06-20 13:01:32 +00:00
Rainer Orth a06a538548 Update Solaris baselines for GCC 8.0 (PR libstdc++/81092) 
* config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
	* config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
	* config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
	* config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
	* config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
	* config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
	Likewise.
	* config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
	* config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
	Likewise.

From-SVN: r249362
 2017-06-19 10:06:41 +00:00
H.J. Lu 82aa64e5af x32: Update baseline_symbols.txt 
PR libstdc++/81092
	* config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.

From-SVN: r249349
 2017-06-18 09:43:53 -07:00
Andreas Schwab 60a51885f2 re PR libstdc++/81092 (Missing symbols for new std::wstring constructors) 
PR libstdc++/81092
* config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.

From-SVN: r249348
 2017-06-18 14:36:02 +00:00
Rainer Orth 4f4b0ab85f Get rid of dg-skip-if etc. default args 
libstdc++-v3:
	* testsuite: Remove dg-skip-if, dg-xfail-if, dg-xfail-run-if
	default args.

	libgomp:
	* testsuite/libgomp.fortran/strassen.f90: Remove dg-skip-if
	default args.
	* testsuite/libgomp.oacc-c-c++-common/vprop.c: Remove
	dg-xfail-run-if default args.

	gcc/testsuite:
	Remove dg-skip-if, dg-xfail-if, dg-xfail-run-if default args.

From-SVN: r249339
 2017-06-17 15:32:28 +00:00
Jonathan Wakely 14d8a91212 PR libstdc++/80893 don't run test for C++98 modes 
PR libstdc++/80893
	* testsuite/23_containers/vector/bool/80893.cc: Add { target c++11 }.

From-SVN: r249338
 2017-06-17 13:11:47 +01:00
Jonathan Wakely 78a8b676f1 Add std::get_deleter overload with correct signature 
* include/bits/shared_ptr.h (get_deleter): Add overload matching
	standard signature.
	* include/bits/shared_ptr_base.h (__shared_ptr): Declare new
	get_deleter overload as a friend.
	* testsuite/20_util/shared_ptr/misc/get_deleter.cc: New.

From-SVN: r249267
 2017-06-16 16:20:14 +01:00
Jakub Jelinek fb7a163397 re PR libstdc++/81092 (Missing symbols for new std::wstring constructors) 
PR libstdc++/81092
	* config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.

From-SVN: r249260
 2017-06-16 16:29:55 +02:00
Jonathan Wakely bfe8a528aa Fix std::wbuffer_convert::sync() 
* include/bits/locale_conv.h (wbuffer_convert::sync): Fix condition.
	* testsuite/22_locale/conversions/buffer/2.cc: New.

From-SVN: r249255
 2017-06-16 14:23:42 +01:00
Jonathan Wakely 4317778a9b PR libstdc++/81092 add std::wstring symbols and bump library version 
PR libstdc++/81092
	* acinclude.m4: Bump libtool_VERSION.
	* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
	* config/abi/pre/gnu.ver: Add wstring constructor symbols to
	GLIBCXX_3.4.24 version and move random_device::_M_get_entropy() symbol
	to new GLIBCXX_3.4.25 version.
	* doc/xml/manual/abi.xml: Document new versions.
	* doc/html/*: Regenerate.
	* testsuite/21_strings/basic_string/cons/char/8.cc: Use base object
	constructors to ensure required symbols are exported.
	* testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
	* testsuite/util/testsuite_abi.cc: Add new version.

From-SVN: r249246
 2017-06-16 12:54:59 +01:00
Jonathan Wakely 6ec3c9c841 Fix missing returns in libstdc++ header and tests 
* include/bits/locale_conv.h (wbuffer_convert::_M_put): Add missing
	return statement.
	* testsuite/21_strings/basic_string_view/operations/copy/char/1.cc:
	Return void.
	* testsuite/21_strings/basic_string_view/operations/copy/wchar_t/1.cc:
	Likewise.
	* testsuite/23_containers/map/modifiers/insert_or_assign/1.cc: Add
	missing return statements.
	* testsuite/23_containers/unordered_map/modifiers/insert_or_assign.cc:
	Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/char/12.cc:
	Return void.
	* testsuite/special_functions/14_expint/pr68397.cc: Likewise.

From-SVN: r249238
 2017-06-16 09:13:37 +01:00
François Dumont 7d594224c2 stl_bvector.h (__fill_bvector(_Bit_type*, unsigned int, unsigned int, bool)): Change signature. 
2017-06-16  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_bvector.h
	(__fill_bvector(_Bit_type*, unsigned int, unsigned int, bool)):
	Change signature.
	(std::fill(_Bit_iterator, _Bit_iterator, bool)): Adapt.
	(_Bvector_impl_data): New.
	(_Bvector_impl): Inherits from latter.
	(_Bvector_impl(_Bit_alloc_type&&)): Delete.
	(_Bvector_impl(_Bvector_impl&&)): New, default.
	(_Bvector_base()): Default.
	(_Bvector_base(_Bvector_base&&)): Default.
	(_Bvector_base::_M_move_data(_Bvector_base&&)): New.
	(vector(vector&&, const allocator_type&)): Use latter.
	(vector<bool>::operator=(vector&&)): Likewise.
	(vector<bool>::vector()): Default.
	(vector<bool>::vector(vector&&)): Default.
	(vector<bool>::assign(_InputIterator, _InputIterator)): Use
	_M_assign_aux.
	(vector<bool>::assign(initializer_list<bool>)): Likewise.
	(vector<bool>::_M_initialize_value(bool)): New.
	(vector<bool>(size_type, const bool&, const allocator_type&)): Use
	latter.
	(vector<bool>::_M_initialize_dispatch(_Integer, _Integer, __true_type)):
	Likewise.
	(vector<bool>::_M_fill_assign(size_t, bool)): Likewise.

From-SVN: r249235
 2017-06-16 05:28:06 +00:00
François Dumont 0356a0749b 2017-06-15 François Dumont <fdumont@gcc.gnu.org> 
* src/c++98/tree.cc  [!_GLIBCXX_INLINE_VERSION]
	(_Rb_tree_rotate_left, _Rb_tree_rotate_right): Delete.

From-SVN: r249226
 2017-06-15 20:32:09 +00:00
Rainer Orth d12366802a Use pthread effective-target in testsuite 
* testsuite: Add dg-require-effective-target pthread to -pthread
	tests.
	Remove explicit target lists from dg-do and dg-options.

	* testsuite/30_threads/async/forced_unwind.cc: Remove explit
	target list from dg-options.
	* testsuite/30_threads/packaged_task/forced_unwind.cc: Likewise.

	* 30_threads/shared_mutex/cons/1.cc: Likewise.
	Pass -pthread for all targets.
	* 30_threads/shared_mutex/try_lock/1.cc: Likewise.
	* 30_threads/shared_mutex/try_lock/2.cc: Likewise.
	* 30_threads/shared_mutex/unlock/1.cc: Likewise.

	* testsuite/30_threads/this_thread/57060.cc: Require c++11 via
	dg-require-effective-target.

From-SVN: r249217
 2017-06-15 12:18:05 +00:00
Jonathan Wakely cdd17d6e99 Fix libstdc++ testsuite failures with -D_GLIBCXX_USE_CXX11_ABI=0 
* doc/xml/manual/test.xml: Correct instructions on running tests.
	* testsuite/21_strings/basic_string/cons/char/deduction.cc: Adjust to
	pass when -D_GLIBCXX_USE_CXX11_ABI=0 added to RUNTESTFLAGS.
	* testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
	Likewise.
	* testsuite/27_io/basic_ios/copyfmt/char/1.cc: Likewise.
	* testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/char/
	exceptions_failbit.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
	exceptions_failbit.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_other/char/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_istream/extractors_other/wchar_t/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
	* testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_other/char/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_other/wchar_t/
	exceptions_null.cc: Likewise.
	* testsuite/27_io/ios_base/storage/2.cc: Likewise.

From-SVN: r249206
 2017-06-14 20:38:30 +01:00
Pedro Alves b51483f48f Finish implementing P0426R1 "Constexpr for std::char_traits" for C++17 
As discussed in PR c++/80265 ("__builtin_{memcmp,memchr,strlen} are
not usable in constexpr functions"), use __builtin_constant_p to tell
whether we can defer to a constexpr algorithm.

I used __always_inline__ just to be thorough.  It isn't really really
necessary as far as I could determine.

Changes like these:

	 if (__n == 0)
	   return 0;
 -	return wmemcmp(__s1, __s2, __n);
 +	else
 +	  return wmemcmp(__s1, __s2, __n);

are necessary otherwise G++ complains that we're calling a
non-constexpr function, which looks like a a manifestation of PR67026
to me.

libstdc++-v3:
2017-06-12  Pedro Alves  <palves@redhat.com>

	* doc/xml/manual/status_cxx2017.xml: Update C++17 constexpr
	char_traits status.
	* doc/html/*: Regenerate.

	* include/bits/char_traits.h (_GLIBCXX_ALWAYS_INLINE): Define if
	not already defined.
	(__cpp_lib_constexpr_char_traits): Uncomment.
	(__constant_string_p, __constant_char_array_p): New.
	(std::char_traits<char>, std::char_traits<wchar_t>): Add
	_GLIBCXX17_CONSTEXPR on compare, length and find and use
	__constant_string_p, __constant_char_array_p and
	__builtin_constant_p to defer to __gnu_cxx::char_traits at compile
	time.

	* testsuite/21_strings/char_traits/requirements/
	constexpr_functions_c++17.cc: Uncomment
	__cpp_lib_constexpr_char_traits tests.  Uncomment
	test_compare<char>, test_length<char>, test_find<char>,
	test_compare<wchar_t>, test_length<wchar_t> and test_find<wchar_t>
	static_assert tests.

From-SVN: r249137
 2017-06-12 22:22:39 +00:00
François Dumont 07cfc2d75d stl_tree.h (_Rb_tree_impl()): Restore _Node_allocator default init. 
2017-06-12  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_tree.h (_Rb_tree_impl()): Restore _Node_allocator
	default init.
	* testsuite/util/testsuite_allocator.h
	(__gnu_test::default_init_allocator<>) New.
	* testsuite/23_containers/set/allocator/default_init.cc: New.
	* testsuite/23_containers/map/allocator/default_init.cc: New.

From-SVN: r249136
 2017-06-12 20:38:16 +00:00
Jonathan Wakely 754d67d5ba PR libstdc++/55917 do not handle exceptions in std::thread 
PR libstdc++/55917
	* src/c++11/thread.cc (execute_native_thread_routine): Remove
	try-block so that exceptions propagate out of the thread and terminate
	is called by the exception-handling runtime.
	(execute_native_thread_routine_compat): Likewise.
	* testsuite/30_threads/thread/cons/terminate.cc: New.

From-SVN: r249130
 2017-06-12 17:37:28 +01:00
Jonathan Wakely 53d01fd9e9 Support move-only deleters in std::shared_ptr (LWG 2802) 
* doc/xml/manual/intro.xml: Document LWG 2802, 2873 and 2942 changes.
	* include/bits/shared_ptr.h (shared_ptr): Use rvalues for deleters
	(LWG 2802).
	* include/bits/shared_ptr_base.h (_Sp_ebo_helper, _Sp_counted_deleter
	(_Sp_counted_deleter::_Impl, __shared_count, __shared_ptr): Likewise.
	* testsuite/20_util/shared_ptr/cons/lwg2802.cc: New.

From-SVN: r249061
 2017-06-09 14:20:37 +01:00
Jonathan Wakely 225ab2b07b Add deduction guides for sequence containers (P0433R2, partial) 
* include/bits/forward_list.h (forward_list): Add deduction guide.
	* include/bits/stl_deque.h (deque): Likewise.
	* include/bits/stl_list.h (list): Likewise.
	* include/bits/stl_vector.h (vector): Likewise.
	* testsuite/23_containers/deque/cons/deduction.cc: New.
	* testsuite/23_containers/forward_list/cons/deduction.cc: New.
	* testsuite/23_containers/list/cons/deduction.cc: New.
	* testsuite/23_containers/vector/cons/deduction.cc: New.

From-SVN: r249054
 2017-06-09 12:04:53 +01:00
Jonathan Wakely 853ed6bc10 PR libstdc++/81017 add noexcept to std::function move operations 
PR libstdc++/81017
	* include/bits/std_function.h (function::function(function&&))
	(function::operator=(funtion&&)): Add noexcept.
	* testsuite/20_util/function/assign/move.cc: Check for noexcept.
	* testsuite/20_util/function/cons/move.cc: Likewise.

From-SVN: r249018
 2017-06-08 15:27:45 +01:00
Jonathan Wakely bfd88d1df1 Add C++17 deduction guide for std::basic_regex (P0433R2, partial) 
* include/bits/regex.h (basic_regex): Add deduction guide from P0433.
	* testsuite/28_regex/basic_regex/ctors/deduction.cc: New.

From-SVN: r248990
 2017-06-07 16:43:54 +01:00
Jonathan Wakely d840779ff4 PR libstdc++/81002 fix std::basic_regex range constructor 
PR libstdc++/81002
	* include/bits/regex.h (basic_regex): Adjust call to __compile_nfa
	so iterator type is deduced.
	* include/bits/regex_compiler.h (__compile_nfa): Reorder template
	parameters to allow iterator type to be deduced.
	* testsuite/28_regex/basic_regex/ctors/basic/iter.cc: New.

From-SVN: r248989
 2017-06-07 16:43:35 +01:00
Jonathan Wakely 6d82c56288 Add C++17 deduction guide for std::basic_string (P0433R2, partial) 
* include/bits/alloc_traits.h (__is_allocator, _RequireAllocator):
	New trait and alias for detecting Allocator-like types.
	* include/bits/basic_string.h (basic_string): Add deduction guide
	from P0433.
	* include/ext/alloc_traits.h (__gnu_cxx::__alloc_traits): Add template
	parameter with default template argument that causes substitution
	failures for types that cannot be allocators.
	* testsuite/21_strings/basic_string/cons/char/deduction.cc: New.
	* testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc: New.

From-SVN: r248967
 2017-06-07 13:35:08 +01:00
Jonathan Wakely 94895bd98d PR libstdc++/80939 Remove unmeetable constexpr specifiers 
PR libstdc++/80939
	* include/std/variant (__erased_ctor, __erased_assign, __erased_swap)
	(__erased_hash): Remove constexpr specifier and qualify calls to
	__ref_cast.
	(__erased_dtor): Remove constexpr specifier and use _Destroy.

From-SVN: r248881
 2017-06-05 17:49:04 +01:00
Jonathan Wakely 6c24177862 Optimize std::advance for single increments 
* include/bits/stl_iterator_base_funcs.h
	(__advance<_RandomAccessIterator, _Distance>): Optimize for next/prev
	cases where incrementing or decrementing a single step.

From-SVN: r248875
 2017-06-05 11:34:13 +01:00
Jonathan Wakely d08606ce6c Add noexcept to shared_ptr owner comparisons (LWG 2873) 
* include/bits/shared_ptr_base.h (__shared_ptr::owner_before)
	(__weak_ptr::owner_before, _Sp_owner_less::operator()): Add noexcept
	specifiers as per LWG 2873 and LWG 2942.
	* testsuite/20_util/owner_less/noexcept.cc: New.
	* testsuite/20_util/shared_ptr/observers/owner_before.cc: Test
	noexcept guarantees.
	* testsuite/20_util/weak_ptr/observers/owner_before.cc: Likewise.

From-SVN: r248874
 2017-06-05 10:33:19 +01:00
Andreas Schwab d9850c48a9 baseline_symbols.txt: Update. 
* config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.

From-SVN: r248854
 2017-06-03 09:56:43 +00:00
Eric Botcazou 76052545d2 configure.ac (*-*-linux-android*): Set target_makefile_frag. 
* configure.ac (*-*-linux-android*): Set target_makefile_frag.
	* configure: Regenerate.
config/
	* mt-android: New file.
libstdc++-v3/
	* src/filesystem/dir.cc (fs::_Dir::advance): Use std::exchange.

From-SVN: r248853
 2017-06-03 08:23:22 +00:00
Jonathan Wakely 4c19e432d6 PR libstdc++/80624 satisfy invariant for char_traits<char16_t>::eof() 
PR libstdc++/80624
	* doc/xml/manual/status_cxx2011.xml: Document to_int_type behaviour.
	* include/bits/char_traits.h (char_traits<char16_t>::to_int_type):
	Transform eof value to U+FFFD.
	* testsuite/21_strings/char_traits/requirements/char16_t/eof.cc: New.
	* testsuite/27_io/basic_streambuf/sgetc/char16_t/80624.cc: New.
	* testsuite/27_io/basic_streambuf/sputc/char16_t/80624.cc: New.

From-SVN: r248843
 2017-06-02 19:35:37 +01:00
Jonathan Wakely ef3985dbd1 Remove libsupc++ makefile targets setting -std=gnu++11 or -std=gnu++14 
* libsupc++/Makefile.am: Remove custom targets for files that need to
	be compiled as C++11 or C++14.
	* libsupc++/Makefile.in: Regenerate.
	* libsupc++/del_ops.cc: Use pragma to disable -Wsized-deallocation
	warnings.
	* libsupc++/del_opvs.cc: Likewise.

From-SVN: r248823
 2017-06-02 12:49:04 +01:00
Richard Biener 1c26adb74d re PR libstdc++/80721 (Sorting/Merging of free EH-emergency buffer may wrong or uncomplete) 
2017-06-02  Richard Biener  <rguenther@suse.de>
	Markus Eisenmann  <meisenmann.lba@fh-salzburg.ac.at>

	PR libstdc++/80721
	* libsupc++/eh_alloc.cc (pool::free): Keep list properly
	sorted and add missing freelist item merging cases.

Co-Authored-By: Markus Eisenmann <meisenmann.lba@fh-salzburg.ac.at>

From-SVN: r248816
 2017-06-02 08:10:48 +00:00
Rainer Orth e34fd4dc1c Fix cross compilation to Solaris 
(GLIBCXX_CROSSCONFIG): Handle *-solaris* like *-linux* etc.
	Remove *-solaris* section.
	* configure: Regenerate.

From-SVN: r248791
 2017-06-01 13:50:03 +00:00
Jonathan Wakely 046a84762b PR libstdc++/80893 Fix null dereference in vector<bool> 
PR libstdc++/80893
	* include/bits/stl_bvector.h (vector<bool>::_M_initialize): Avoid
	null pointer dereference when size is zero.
	* testsuite/23_containers/vector/bool/80893.cc: New.
	* testsuite/util/testsuite_allocator.h (PointerBase::PointerBase):
	Add non-explicit constructor from nullptr.
	(PointerBase::derived() const): Add const-qualified overload.

From-SVN: r248734
 2017-05-31 13:41:45 +01:00
Tim Shen a8127c0cca re PR c++/80737 (variant<any> as class member resulting to compile errors) 
PR libstdc++/80737
  * include/std/variant(variant::variant): SFINAE on is_same first.
  * testsuite/20_util/variant/any.cc: test case.

From-SVN: r248548
 2017-05-28 21:27:30 +00:00
Jonathan Wakely b678436176 Use CHAR_BIT instead of assuming 8 bits 
* src/c++11/random.cc (random_device::_M_getentropy): Use __CHAR_BIT__
	instead of fixed number of bits.

From-SVN: r248428
 2017-05-24 20:27:28 +01:00
Andreas Schwab e1b6749586 baseline_symbols.txt: Update. 
* config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Likewise.

From-SVN: r248420
 2017-05-24 14:33:07 +00:00
Xi Ruoyao 78aa76df40 PR libstdc++/67578 Implement non-trivial std::random_device::entropy 
2017-05-23  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
	    Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/67578
	* acinclude.m4: Bump libtool_VERSION.
	* config/abi/pre/gnu.ver: Create GLIBCXX_3.4.24 with new symbol.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Add test for <linux/random.h>.
	* doc/xml/manual/abi.xml: Document new library version.
	* include/bits/random.h (random_device::entropy)
	[_GLIBCXX_USE_RANDOM_TR1]: Add call to new _M_getentropy member.
	(random_device::_M_getentropy): Declare.
	* src/c++11/random.cc (random_device::_M_getentropy): Define.
	* testsuite/util/testsuite_abi.cc: Add GLIBCXX_3.4.24 to known
	versions, and make it the latest version.

Co-Authored-By: Jonathan Wakely <jwakely@redhat.com>

From-SVN: r248374
 2017-05-23 17:11:57 +01:00
Xi Ruoyao 5383998a58 PR libstdc++/67214 Avoid signed overflow in num_get::_M_extract_int 
2017-05-23  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>

	PR libstdc++/67214
	* include/bits/locale_facets.tcc (num_get::_M_extract_int): Add
	explicit conversion to avoid signed overflow.

From-SVN: r248362
 2017-05-23 11:16:08 +01:00
Jonathan Wakely f710ca61ba PR libstdc++/80796 Add new std::search overload for C++17 
PR libstdc++/80796
	* include/bits/stl_algo.h (search): Add new overload for C++17.
	* testsuite/25_algorithms/search/searcher.cc: New.

From-SVN: r248266
 2017-05-19 13:11:31 +01:00
Jonathan Wakely 747217d179 PR libstdc++/80478 make std::mem_fn work with noexcept functions 
PR libstdc++/80478
	* include/std/functional (_Mem_fn_traits_base): Add specializations
	for noexcept member function types.
	* testsuite/20_util/function_objects/mem_fn/80478.cc: New test.

From-SVN: r248245
 2017-05-18 18:32:06 +01:00
Jonathan Wakely 8985968cc4 Fix typos in libstdc++ manual 
* doc/xml/manual/policy_data_structures.xml: Fix typo.
	* doc/xml/manual/test_policy_data_structures.xml: Likewise.
	* doc/html/*: Regenerate.

From-SVN: r248189
 2017-05-18 11:26:02 +01:00
Jonathan Wakely 8268fc6022 Update libstdc++ version info in manual 
* doc/xml/manual/abi.xml: Document latest library versions.
	* doc/xml/manual/build_hacking.xml: Document requirement to update
	abi.xml when bumping library versions.
	* doc/html/*: Regenerate.

From-SVN: r248186
 2017-05-18 11:09:32 +01:00
Jonathan Wakely 26bddba34a Fixes to Doxygen comments in libstdc++ headers 
* include/bits/refwrap.h: Fix Doxygen warning.
	* include/bits/specfun.h: Likewise.
	* include/bits/std_function.h: Likewise.
	* include/bits/stl_algo.h (set_union, set_intersection)
	(set_difference, set_symmetric_difference): Add Doxygen @param tags
	for output iterator parameters.
	* include/bits/stl_iterator.h (inserter): Add Doxygen @param tag for
	iterator parameter.
	* include/std/mutex (try_lock, lock): Change Mutex to Lockable in
	Doxygen comments.

From-SVN: r248160
 2017-05-17 17:02:33 +01:00
Ville Voutilainen b42cc3ca24 Implement new C++ intrinsics __is_assignable and __is_constructible. 
c-family/

Implement new C++ intrinsics __is_assignable and __is_constructible.
* c-common.c (__is_assignable, __is_constructible): New.
* c-common.h (RID_IS_ASSIGNABLE, RID_IS_CONSTRUCTIBLE): Likewise.

cp/

PR c++/80654
PR c++/80682
Implement new C++ intrinsics __is_assignable and __is_constructible.
* cp-tree.h (CPTK_IS_ASSIGNABLE, CPTK_IS_CONSTRUCTIBLE): New.
(is_xible): New.
* cxx-pretty-print.c (pp_cxx_trait_expression): Handle
CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
* method.c (constructible_expr): Set cp_unevaluated.
(is_xible_helper): New.
(is_trivially_xible): Adjust.
(is_xible): New.
* parser.c (cp_parser_primary_expression): Handle
RID_IS_ASSIGNABLE and RID_IS_CONSTRUCTIBLE.
(cp_parser_trait_expr): Likewise.
* semantics.c (trait_expr_value): Handle
CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.

testsuite/

* g++.dg/ext/80654.C: New.

libstdc++-v3/

Implement new C++ intrinsics __is_assignable and __is_constructible.
* include/std/type_traits (__do_is_static_castable_impl): Remove.
(__is_static_castable_impl, __is_static_castable_safe): Likewise.
(__is_static_castable, __do_is_direct_constructible_impl): Likewise.
(__is_direct_constructible_impl): Likewise.
(__is_direct_constructible_new_safe): Likewise.
(__is_base_to_derived_ref, __is_lvalue_to_rvalue_ref): Likewise.
(__is_direct_constructible_ref_cast): Likewise.
(__is_direct_constructible_new, __is_direct_constructible): Likewise.
(__do_is_nary_constructible_impl): Likewise.
(__is_nary_constructible_impl, __is_nary_constructible): Likewise.
(__is_constructible_impl): Likewise.
(is_constructible): Call the intrinsic.
(__is_assignable_helper): Remove.
(is_assignable): Call the intrinsic.
(is_trivially_constructible): Likewise.
(__is_trivially_copy_constructible_impl): New.
(is_trivially_copy_constructible): Use it.
(__is_trivially_move_constructible_impl): New.
(is_trivially_move_constructible): Use it.
(is_trivially_assignable): Call the intrinsic.
(__is_trivially_copy_assignable_impl): New.
(is_trivially_copy_assignable): Use it.
(__is_trivially_move_assignable_impl): New.
(is_trivially_move_assignable): Use it.
(testsuite/20_util/declval/requirements/1_neg.cc): Adjust.
(testsuite/20_util/is_trivially_copy_assignable/value.cc):
Add test for void.
(testsuite/20_util/is_trivially_copy_constructible/value.cc): Likewise.
(testsuite/20_util/is_trivially_move_assignable/value.cc): Likewise.
(testsuite/20_util/is_trivially_move_constructible/value.cc): Likewise.
(testsuite/20_util/make_signed/requirements/typedefs_neg.cc): Adjust.
(testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc):
Likewise.

From-SVN: r248153
 2017-05-17 16:54:23 +03:00
Jonathan Wakely 058c785479 Test source_location::current() in default member initializer 
* testsuite/experimental/source_location/1.cc: Change expected result
	for source_location::current() used in default member initializer.

From-SVN: r248111
 2017-05-16 15:26:14 +01:00
Jonathan Wakely 2673bae9d2 Implement std::experimental::source_location (N4519) 
* configure: Regenerate.
	* doc/xml/manual/status_cxx2017.xml: Update status table.
	* doc/html/*: Regenerate.
	* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/experimental/source_location: New header implementing N4519.
	* testsuite/experimental/source_location/1.cc: New test.

From-SVN: r248110
 2017-05-16 14:37:52 +01:00
Jonathan Wakely 423624979a Fix forward declaration of std::type_info for versioned-namespace 
PR libstdc++/80285
	* include/bits/shared_ptr_base.h [!__cpp_rtti] (type_info): Declare
	outside versioned namespace.

From-SVN: r248109
 2017-05-16 14:16:34 +01:00
Jonathan Wakely ba1a69079f Regenerate libstdc++-v3/configure for versioned-namespace soname 
* configure: Regenerate.

From-SVN: r248107
 2017-05-16 14:12:16 +01:00
Marc Glisse 2c27a627a3 optional (_Optional_base::_M_get): Check precondition. 
2017-05-16  Marc Glisse  <marc.glisse@inria.fr>

	* include/std/optional (_Optional_base::_M_get): Check precondition.
	* testsuite/20_util/optional/cons/value_neg.cc: Update line numbers.

From-SVN: r248099
 2017-05-16 12:54:16 +00:00
Jonathan Wakely 5f54ae00d0 Add cross-reference for test permutations in libstdc++ manual 
* doc/xml/manual/appendix_contributing.xml: Link to test docs and
	note higher DejaGnu version requirement.
	* doc/html/*: Regenerate.

From-SVN: r248092
 2017-05-16 11:37:22 +01:00
Jonathan Wakely ad2b8b37ec Add cross-reference for BADNAMES in libstdc++ manual 
* doc/xml/manual/appendix_contributing.xml: Link to the list of bad
	identifiers.
	* doc/html/*: Regenerate.

From-SVN: r248091
 2017-05-16 10:46:21 +01:00
Jonathan Wakely 85c05b5eec Fix order and types of members in C++17 insert_return_type structs 
PR libstdc++/80761
	* include/bits/node_handle.h (_Node_insert_return): Reorder members.
	(tuple_size, tuple_element): Remove partial specializations.
	* include/bits/stl_tree.h (_Rb_tree::insert_return_type): Use
	const_iterator for std::set.
	* testsuite/23_containers/map/modifiers/extract.cc: New.
	* testsuite/23_containers/set/modifiers/extract.cc: New.
	* testsuite/23_containers/unordered_map/modifiers/extract.cc: New.
	* testsuite/23_containers/unordered_set/modifiers/extract.cc: New.

From-SVN: r248062
 2017-05-15 14:47:40 +01:00
François Dumont 3838e0c086 Revert revision 247926. 
From-SVN: r247998
 2017-05-12 21:19:39 +00:00
Jonathan Wakely f859f912e4 PR libstdc++/78939 make tuple_size<cv T> depend on tuple_size<T> 
PR libstdc++/78939
	* include/std/utility (tuple_size<cv T>): Only define partial
	specializations when tuple_size<T>::value is valid.
	* testsuite/20_util/tuple/78939.cc: New.
	* testsuite/20_util/tuple/cv_tuple_size_neg.cc: New.

From-SVN: r247973
 2017-05-12 15:43:11 +01:00
François Dumont fee84d551f 2017-05-11 François Dumont <fdumont@gcc.gnu.org> 
* include/bits/stl_tree.h [_GLIBCXX_INLINE_VERSION]
	(_Rb_tree_impl<>): Remove _Is_pod_comparator
	template parameter.

From-SVN: r247929
 2017-05-11 20:30:44 +00:00
François Dumont ea594612f0 2017-05-11 François Dumont <fdumont@gcc.gnu.org> 
* include/debug/safe_container.h [_GLIBCXX_USE_CXX11_ABI]
	(_Safe_container<>): Remove _IsCxx11AllocatorAware template parameter.
	* include/debug/string: Adapt.

From-SVN: r247926
 2017-05-11 20:03:47 +00:00
François Dumont dc4dd7f63f 2017-05-11 François Dumont <fdumont@gcc.gnu.org> 
* include/debug/formatter.h [_GLIBCXX_INLINE_VERSION]
	(__gnu_debug::_Error_formatter::_Parameter::_M_print_field): Remove.
	(__gnu_debug::_Error_formatter::_Parameter::_M_print_description):
	Remove.
	(__gnu_debug::_Error_formatter::_M_format_word): Remove.
	(__gnu_debug::_Error_formatter::_M_print_word): Remove.
	(__gnu_debug::_Error_formatter::_M_print_string): Remove.
	(__gnu_debug::_Error_formatter::_M_get_max_length): Remove.
	* src/c++11/debug.cc: Adapt.
	* config/abi/pre/gnu-versioned-namespace.ver: Adapt.

From-SVN: r247925
 2017-05-11 19:49:26 +00:00
Jonathan Wakely 395ec8f30c Fix ViewCVS URLs in libstdc++ manual 
* doc/xml/manual/allocator.xml: Fix ViewCVS URLs.
	* doc/xml/manual/mt_allocator.xml: Likewise.
	* doc/html/*: Regenerate.

From-SVN: r247911
 2017-05-11 16:01:10 +01:00
Jonathan Wakely f8cba3aaae PR libstdc++/80285 optimize std::make_shared for -fno-rtti 
PR libstdc++/80285
	* include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Define
	function to get unique fake std::type_info reference.
	(_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Compare to
	_S_ti() fake reference.
	(__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Share
	single implementation with or without RTTI enable.
	[!__cpp_rtti]: Pass fake reference to _M_get_deleter.
	* testsuite/20_util/shared_ptr/creation/alloc.cc: Change expected
	allocation and deallocation counts.
	* testsuite/20_util/shared_ptr/creation/single_allocation.cc: New.
	* testsuite/20_util/shared_ptr/creation/single_allocation_no_rtti.cc:
	New.

From-SVN: r247905
 2017-05-11 14:21:07 +01:00
François Dumont 87c7063d68 Bump version namespace. 
2017-05-10  François Dumont  <fdumont@gcc.gnu.org>

	Bump version namespace.
	* config/abi/pre/gnu-versioned-namespace.ver: Bump version namespace
	from __7 to __8. Bump GLIBCXX_7.0 to GLIBCXX_8.0.
	* acinclude.m4 (libtool_VERSION): Bump to 8:0:0.
	* include/bits/c++config: Adapt.
	* include/bits/regex.h: Adapt.
	* include/experimental/bits/fs_fwd.h: Adapt.
	* include/experimental/bits/lfts_config.h: Adapt.
	* include/std/variant: Adapt.
	* python/libstdcxx/v6/printers.py: Adapt.
	* testsuite/libstdc++-prettyprinters/48362.cc: Adapt.
	* include/bits/stl_tree.h (_Rb_tree_impl<>): Remove _Is_pod_comparator
	template parameter when version namespace is active.

From-SVN: r247858
 2017-05-10 20:40:28 +00:00
François Dumont e5795ce493 stl_algobase.h (std::__iter_swap<false>): Remove _GLIBCXX_MOVE usage. 
2017-05-10  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_algobase.h (std::__iter_swap<false>): Remove
	_GLIBCXX_MOVE usage.

From-SVN: r247855
 2017-05-10 20:05:26 +00:00
Jason Merrill e91c2cac34 * testsuite/24_iterators/container_access.cc (test03): Make il3 static. 
From-SVN: r247799
 2017-05-09 11:11:19 -04:00
Jonathan Wakely 9057edd30c Tweak static assertions in std::optional 
* include/std/optional: Use a separate static_assert per condition.
	* testsuite/20_util/optional/cons/value_neg.cc: Update dg-error line
	numbers.

From-SVN: r247748
 2017-05-08 18:13:38 +01:00
Jonathan Wakely 6d430cbd12 Clarify mt_allocator documentation w.r.t deallocation 
* doc/xml/manual/mt_allocator.xml: Clarify deallocation behaviour.
	* doc/html/*: Regenerate.

From-SVN: r247742
 2017-05-08 16:09:08 +01:00
Hugo Beauzée-Luyssen 8a20a3c76f re PR bootstrap/69506 (check-in 232454 seems to cause problems with cygwin builds) 
2017-05-02  Hugo Beauzée-Luyssen <hugo@beauzee.fr>

	PR libstdc++/69506
	* config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_WEAK_REF): Define.

From-SVN: r247502
 2017-05-02 15:04:39 +00:00
François Dumont 30fc569c18 48362.cc: Replace a regexp-test by a note-test. 
2017-04-29  François Dumont  <fdumont@gcc.gnu.org>

	* testsuite/libstdc++-prettyprinters/48362.cc: Replace a regexp-test
	by a note-test.

From-SVN: r247411
 2017-04-29 19:35:28 +00:00
Jonathan Wakely b26f45f069 PR libstdc++/80553 don't allow destroying non-destructible types 
PR libstdc++/80553
	* include/bits/stl_construct.h (_Destroy, _Destroy_n): Add static
	assertions to ensure type is destructible.
	(destroy_at, destroy, destroy_n): Move from stl_uninitialized.h.
	* include/bits/stl_uninitialized.h (destroy_at, destroy, destroy_n):
	Move to stl_construct.h.
	* testsuite/20_util/specialized_algorithms/memory_management_tools/
	destroy_neg.cc: New test.
	* testsuite/23_containers/vector/cons/destructible_neg.cc: New test.

From-SVN: r247379
 2017-04-28 13:56:53 +01:00
Jonathan Wakely 38233afdcf Remove superfluous "" in dg-error. 
* testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc: Remove
	superfluous "" in dg-error.

From-SVN: r247378
 2017-04-28 13:56:38 +01:00
Tom de Vries f166beaf42 Remove superfluous '{ target *-*-* }' in dg-(error|warning|message|bogus) 
find $(find -type d -name testsuite) -type f \
     | xargs sed -ri \
       's#(dg-(error|warning|message|bogus).*) \{ target \*-\*-\* \} \}#\1 }#'

2017-04-28  Tom de Vries  <tom@codesourcery.com>

	* g++.dg/parse/error2.C: Remove superfluous '{ target *-*-* }' in
	dg-(error|warning|message|bogus).
	* g++.dg/parse/parameter-declaration-1.C: Same.
	* g++.dg/warn/Wstrict-aliasing-float-ref-int-obj.C: Same.
	* gcc.dg/Wpointer-sign-Wall.c: Same.
	* gcc.dg/Wpointer-sign-pedantic.c: Same.
	* gcc.dg/cpp/19990413-1.c: Same.
	* gcc.dg/dg-test-1.c: Same.
	* gcc.dg/empty-source-2.c: Same.
	* gcc.dg/empty-source-3.c: Same.
	* gcc.dg/format/c99-printf-1.c: Same.
	* gcc.dg/format/c99-scanf-1.c: Same.
	* gcc.dg/label-decl-2.c: Same.
	* gcc.dg/m-un-2.c: Same.
	* gcc.dg/uninit-pr20644-O0.c: Same.
	* gfortran.dg/pr70006.f90: Same.
	* obj-c++.dg/fsf-package-0.m: Same.

	* testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc: Remove
	superfluous '{ target *-*-* }' in dg-(error|warning|message|bogus).

From-SVN: r247364
 2017-04-28 07:26:32 +00:00
Jonathan Wakely 4ca4927ac6 Remove reundant const-qualification from cast targets 
* include/ext/pb_ds/detail/list_update_map_/iterators_fn_imps.hpp
	(PB_DS_CLASS_C_DEC::end()): Remove redundant const in cast type.
	* testsuite/util/testsuite_rng.h (twister_rand_gen::get_prob()):
	Likewise.

From-SVN: r247346
 2017-04-27 16:17:05 +01:00
Jonathan Wakely 9425300b41 Improve tests for vector and deque move-assignment 
* testsuite/23_containers/deque/allocator/move_assign-2.cc: Improve
	comment. Ensure first test works because allocator type propagates and
	not because is_always_equal is true.
	* testsuite/23_containers/vector/52591.cc: Likewise. Restore original
	testcase that instantiates the move-assignment operator.

From-SVN: r247284
 2017-04-26 20:25:30 +01:00
Jonathan Wakely 957221f551 PR libstdc++/80506 fix constant used in condition 
PR libstdc++/80506
	* include/bits/random.tcc (gamma_distribution::operator()): Fix magic
	number used in loop condition.

From-SVN: r247099
 2017-04-24 14:43:19 +01:00
Jonathan Wakely 6e2e575a03 PR libstdc++/80504 qualify calls to avoid ADL 
PR libstdc++/80504
	* include/bits/refwrap.h (ref, cref): Qualify calls.
	* testsuite/20_util/reference_wrapper/80504.cc: New test.

From-SVN: r247094
 2017-04-24 12:40:07 +01:00
Jonathan Wakely 71f257f78e PR libstdc++/80493 fix invalid exception specification 
PR libstdc++/80493
	* include/experimental/optional (optional::swap): Fix exception
	specification.

From-SVN: r247093
 2017-04-24 12:40:02 +01:00
Jonathan Wakely 946ecd6ab2 PR libstdc++/80316 make promise::set_value throw no_state error 
PR libstdc++/80316
	* include/std/future (_State_baseV2::_Setter::operator()): Remove
	_S_check calls that are done after the pointer to the shared state is
	already dereferenced.
	(_State_baseV2::_Setter<_Res, void>): Define specialization for void
	as partial specialization so it can be defined within the definition
	of _State_baseV2.
	(_State_baseV2::__setter): Call _S_check.
	(_State_baseV2::__setter(promise<void>*)): Add overload for use by
	promise<void>::set_value and promise<void>::set_value_at_thread_exit.
	(promise<T>, promise<T&>, promise<void>): Make _State a friend.
	(_State_baseV2::_Setter<void, void>): Remove explicit specialization.
	(promise<void>::set_value, promise<void>::set_value_at_thread_exit):
	Use new __setter overload.
	* testsuite/30_threads/promise/members/at_thread_exit2.cc: New test.
	* testsuite/30_threads/promise/members/set_exception.cc: Test
	promise<T&> and promise<void> specializations.
	* testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
	Test for no_state error condition.
	* testsuite/30_threads/promise/members/set_value2.cc: Likewise.

From-SVN: r247064
 2017-04-21 15:49:19 +01:00
Jonathan Wakely a2c0a1942c Avoid deprecated warnings about std::auto_ptr in library headers 
* include/backward/auto_ptr.h: Ignore deprecated warnings from use
	of auto_ptr.
	* include/bits/shared_ptr.h: Likewise.
	* include/bits/shared_ptr_base.h: Likewise.
	* include/bits/unique_ptr.h: Likewise.
	* libstdc++-v3/testsuite/20_util/default_delete/48631_neg.cc: Adjust
	dg-error lineno.
	* libstdc++-v3/testsuite/20_util/default_delete/void_neg.cc: Likewise.
	* libstdc++-v3/testsuite/20_util/unique_ptr/assign/48635_neg.cc:
	Likewise.
	* libstdc++-v3/testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc:
	Likewise.

From-SVN: r247063
 2017-04-21 14:08:51 +01:00
Edward Smith-Rowland 4ba07ed462 PR libstdc++/68397 std::tr1::expint fails ... long double arguments. 
2017-04-20  Edward Smith-Rowland  <3dw4rd@verizon.net>

	PR libstdc++/68397 std::tr1::expint fails ... long double arguments.
	* include/tr1/exp_integral.tcc: Increase iteration limits.
	* testsuite/tr1/5_numerical_facilities/special_functions/15_expint/
	pr68397.cc: New test.
	* testsuite/special_functions/14_expint/pr68397.cc: New test.

From-SVN: r247027
 2017-04-20 15:41:59 +00:00
Jonathan Wakely 1b36f6036e PR79862 check macro for type aliases that depend on <stdint.h> 
PR libstdc++/79862
	* include/std/atomic [!_GLIBCXX_USE_C99_STDINT_TR1] (atomic_int8_t)
	(atomic_uint8_t, atomic_int16_t, atomic_uint16_t, atomic_int32_t,
	(atomic_uint32_t, atomic_int64_t, atomic_uint64_t)
	(atomic_int_least8_t, atomic_uint_least8_t, atomic_int_least16_t)
	(atomic_uint_least16_t, atomic_int_least32_t, atomic_uint_least32_t)
	(atomic_int_least64_t, atomic_uint_least64_t, atomic_int_fast8_t)
	(atomic_uint_fast8_t, atomic_int_fast16_t, atomic_uint_fast16_t)
	(atomic_int_fast32_t, atomic_uint_fast32_t, atomic_int_fast64_t)
	(atomic_uint_fast64_t, atomic_intmax_t, atomic_uintmax_t): Don't
	define.

From-SVN: r247021
 2017-04-20 14:04:28 +01:00
Jonathan Wakely db7ab54fbf Rationalise ABI links in libstdc++ manual 
* doc/xml/manual/abi.xml: Rephrase one of the references to the
	Itanium C++ ABI.
	* doc/xml/manual/test.xml: Document DejaGnu 1.5.3 requirement.
	* doc/html/*: Regenerate.

From-SVN: r247003
 2017-04-19 17:49:21 +01:00
Jonathan Wakely 6a8446fa8b * libsupc++/new: Update comment on #endif directive. 
From-SVN: r246999
 2017-04-19 16:18:24 +01:00
Jonathan Wakely 6cff9199c1 PR libstdc++/80448 remove noexcept from defaulted functions 
PR libstdc++/80448
	* include/experimental/bits/fs_dir.h (directory_iterator)
	(recursive_directory_iterator): Remove noexcept from defaulted
	constructors.

From-SVN: r246993
 2017-04-19 12:03:43 +01:00
Jonathan Wakely afa56c1751 PR libstdc++/80446 cope with libc defining __has_builtin 
PR libstdc++/80446
	* include/std/type_traits (is_aggregate): Change __has_builtin checks.
	* libsupc++/new (launder): Likewise.

From-SVN: r246992
 2017-04-19 11:49:12 +01:00
Jonathan Wakely 38d68cf0f5 Fix incorrect results from std::boyer_moore_searcher 
* include/std/functional (default_searcher, __boyer_moore_array_base)
	(__is_std_equal_to, __boyer_moore_base_t, boyer_moore_searcher)
	(boyer_moore_horspool_searcher): Remove redundant namespace
	qualification.
	(default_searcher::operator()): Construct return value early and
	advance second member in-place.
	(boyer_moore_horspool_searcher::operator()): Increment random access
	iterator directly instead of using std::next.
	(boyer_moore_searcher::operator()): Fix return value.
	* testsuite/20_util/function_objects/searchers.cc: Check both parts
	of return values.

From-SVN: r246964
 2017-04-18 12:08:00 +01:00