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3367 Commits

Author SHA1 Message Date
Ville Voutilainen
dbc6221fe5 Support allocators in tuples of zero size. 
* include/std/tuple (tuple<>::tuple(),
	tuple<>::tuple(allocator_arg_t, const _Alloc&),
	tuple<>::tuple(allocator_arg_t, const _Alloc&, const tuple&)): New.
	* testsuite/20_util/tuple/cons/allocators.cc: Adjust.

From-SVN: r237143
 2016-06-06 19:28:59 +03:00
Jonathan Wakely
94229fb6dc libstdc++/71320 Add or remove file permissions correctly 
PR libstdc++/71320
	* src/filesystem/ops.cc (permissions(const path&, perms, error_code&)):
	Add or remove permissions according to perms argument.
	* testsuite/experimental/filesystem/operations/permissions.cc: New
	test.

From-SVN: r237136
 2016-06-06 16:50:01 +01:00
Ville Voutilainen
7a66745357 Protect allocator-overloads of tuple-from-tuple constructors from cases that would create dangling references. 
Protect allocator-overloads of tuple-from-tuple constructors
	from cases that would create dangling references.
	* include/std/tuple (tuple(allocator_arg_t, const _Alloc&,
 	const tuple<_UElements...>&), tuple(allocator_arg_t, const _Alloc&,
 	tuple<_UElements...>&&)): Add a check for _NonNestedTuple.
	* testsuite/20_util/tuple/cons/nested_tuple_construct.cc: Adjust.

From-SVN: r237106
 2016-06-05 20:39:10 +03:00
Ville Voutilainen
b702100693 re PR libstdc++/66338 (std::forward_as_tuple() issue with single argument) 
2016-05-24  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/66338
	* include/std/tuple (_TMC): Add a check for _NotSameTuple.
	* include/std/tuple (tuple(_UElements&&...)): Remove the separate
	check for _NotSameTuple.
	* include/std/tuple (_TMCT): New.
	* include/std/tuple (tuple(const tuple<_UElements...>&)): Use it.
	* include/std/tuple (tuple(tuple<_UElements...>&&)): Likewise.
	* include/std/tuple (tuple(allocator_arg_t, const _Alloc&,
	      const tuple<_UElements...>&)): Likewise.
	* include/std/tuple (tuple(allocator_arg_t, const _Alloc&,
	      tuple<_UElements...>&&)): Likewise.
	* testsuite/20_util/tuple/cons/66338.cc: New.

From-SVN: r236822
 2016-05-27 17:08:37 +03:00
François Dumont
732eb07625 c++config (_GLIBCXX14_USE_CONSTEXPR): New. 
2016-05-24  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/c++config (_GLIBCXX14_USE_CONSTEXPR): New.
	* include/bits/hashtable_policy.h
	(_Prime_rehash_policy::__has_load_factor): New. Mark rehash policy
	having load factor management.
	(_Mask_range_hashing): New.
	(__clp2): New.
	(_Power2_rehash_policy): New.
	(_Inserts<>): Remove last template parameter, _Unique_keys, so that
	partial specializations only depend on whether iterators are constant
	or not.
	* testsuite/23_containers/unordered_set/hash_policy/26132.cc: Adapt to
	test new hash policy.
	* testsuite/23_containers/unordered_set/hash_policy/load_factor.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/hash_policy/rehash.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/insert/hash_policy.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/max_load_factor/robustness.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
	New.
	* testsuite/performance/23_containers/insert/54075.cc: Add benchmark
	using the new hash policy.
	* testsuite/performance/23_containers/insert_erase/41975.cc: Likewise.

From-SVN: r236669
 2016-05-24 20:55:57 +00:00
Thomas Preud'homme
11f8114b51 re PR libstdc++/71081 (experimental/memory_resource/1.cc run for targets without atomics) 
2016-05-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    PR libstdc++/71081
    * testsuite/experimental/memory_resource/1.cc: Add required argument
    to dg-require-atomic-builtins.

From-SVN: r236507
 2016-05-20 12:36:57 +00:00
Jonathan Wakely
068b220e52 Add dg-require-atomic-builtins to test 
PR libstdc++/71081
	* testsuite/experimental/memory_resource/1.cc: Require atomics.

From-SVN: r236177
 2016-05-12 15:08:45 +01:00
Jonathan Wakely
7f99d40a99 Test begin and end functions for directory iterators 
* include/experimental/bits/fs_dir.h (begin, end): Add noexcept.
	* testsuite/experimental/filesystem/iterators/directory_iterator.cc:
	Test begin and end functions.
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Likewise.

From-SVN: r236085
 2016-05-10 16:39:20 +01:00
Jonathan Wakely
6fe673ad0f libstdc++/71038 fix error checks in filesystem::copy_file 
PR libstdc++/71038
	* src/filesystem/ops.cc (do_copy_file): Fix backwards conditions.
	* testsuite/experimental/filesystem/operations/copy_file.cc: New test.

From-SVN: r236084
 2016-05-10 16:39:14 +01:00
Jonathan Wakely
f9a39467b6 libstdc++/71036 Handle EEXIST in filesystem::create_directory 
PR libstdc++/71036
	* src/filesystem/ops.cc (create_dir): Handle EEXIST from mkdir.
	* testsuite/experimental/filesystem/operations/create_directory.cc:
	New test.

From-SVN: r236076
 2016-05-10 14:04:21 +01:00
Jonathan Wakely
6f0800d418 libstdc++/71037 Add base path to filesystem::canonical exceptions 
PR libstdc++/71037
	* src/filesystem/ops.cc (canonical(const path&, const path&)): Add
	base path to exception.
	* testsuite/experimental/filesystem/operations/canonical.cc: Test
	paths contained in exception.

From-SVN: r236074
 2016-05-10 13:22:32 +01:00
Jonathan Wakely
f10b2e1cae 2.cc: Remove unused using declaration. 
* testsuite/experimental/type_erased_allocator/2.cc: Remove unused
	using declaration.

From-SVN: r236073
 2016-05-10 13:04:22 +01:00
Jonathan Wakely
d7187f9ea1 libstdc++/71005 fix post-increment for filesystem iterators 
PR libstdc++/71005
	* include/experimental/bits/fs_dir.h (__directory_iterator_proxy):
	New type.
	(directory_iterator::operator++(int)): Return proxy.
	(recursive_directory_iterator::operator++(int)): Likewise.
	* testsuite/experimental/filesystem/iterators/directory_iterator.cc:
	Test post-increment.
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Likewise.

From-SVN: r236072
 2016-05-10 12:25:06 +01:00
Jonathan Wakely
7972e24663 libstdc++/71004 fix recent additions to testcase 
PR libstdc++/71004
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Fix test02 to not call member
	functions on invalid iterator, and use VERIFY not assert.

From-SVN: r236028
 2016-05-09 12:50:01 +01:00
Ville Voutilainen
fb334765e2 Avoid endless run-time recursion for copying single-element tuples where the... 
Avoid endless run-time recursion for copying single-element
	tuples where the element type is by-value constructible
	from any type.
 	* include/std/tuple (_NotSameTuple): New.
 	* include/std/tuple (tuple(_UElements&&...): Use it.
	* testsuite/20_util/tuple/cons/element_accepts_anything_byval.cc: New.

From-SVN: r236025
 2016-05-09 14:03:36 +03:00
Jonathan Wakely
e4cce0cea0 libstdc++/71004 fix recursive_directory_iterator default constructor 
PR libstdc++/71004
	* include/experimental/bits/fs_dir.h (recursive_directory_iterator):
	Initialize scalar member variables in default constructor.
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Teste default construction.

From-SVN: r236023
 2016-05-09 11:09:37 +01:00
Rainer Orth
40436d8169 Enable dg-reqire-sharedlib on Solaris 
* testsuite/lib/libstdc++.exp (libstdc++_init): Enable on *-*-solaris*.

From-SVN: r235931
 2016-05-05 19:54:42 +00:00
Jonathan Wakely
f5c40ce2cf Add dg-require-filesystem-ts directive to test 
* testsuite/experimental/filesystem/path/native/string.cc: Add
	dg-require-filesystem-ts directive.

From-SVN: r235919
 2016-05-05 11:03:56 +01:00
Jonathan Wakely
d9cb3e7598 libstdc++/70940 Start fixing polymorphic memory resources 
PR libstdc++/70940
	* include/experimental/memory_resource
	(__resource_adaptor_imp::do_allocate): Do not default-construct
	rebound allocator.
	(__resource_adaptor_imp::do_deallocate): Likewise. Use
	allocator_traits to get pointer type.
	(__null_memory_resource::do_allocate): Remove unused parameters.
	(__null_memory_resource::do_deallocate): Likewise.
	(__null_memory_resource::do_is_equal): Likewise. Add return statement.
	* testsuite/experimental/type_erased_allocator/1.cc: Combine with ...
	* testsuite/experimental/type_erased_allocator/1_neg.cc: This, and
	move to ...
	* testsuite/experimental/memory_resource/1.cc: Here.
	* testsuite/experimental/memory_resource/null_memory_resource.cc: New.
	* testsuite/experimental/memory_resource/resource_adaptor.cc: New.

From-SVN: r235868
 2016-05-04 13:08:45 +01:00
Chris Gregory
f92ab29ffa Remove trailing whitespace from libstdc++-v3 files 
2016-04-29  Chris Gregory  <czipperz@gmail.com>

	* config/*: Remove trailing whitespace.
	* src/*: Likewise.
	* testsuite/tr1/*: Likewise.
	* testsuite/util/*: Likewise.

From-SVN: r235645
 2016-04-29 17:11:43 +01:00
Jonathan Wakely
9f9eb84eac libstdc++/70766 use std::addressof instead of operator& 
PR libstdc++/70766
	* include/bits/basic_ios.tcc (basic_ios::_M_cache_locale): Use
	__addressof.
	* include/bits/stream_iterator.h (istream_iterator, ostream_iterator):
	Likewise.
	* include/std/atomic (atomic<_Tp>): Likewise.
	* include/std/shared_mutex (shared_lock): Likewise.
	* testsuite/24_iterators/istream_iterator/70766.cc: New test.
	* testsuite/24_iterators/ostream_iterator/70766.cc : New test.
	* testsuite/29_atomics/atomic/60695.cc: Adjust dg-error line number.
	* testsuite/29_atomics/atomic/70766.cc: New test.
	* testsuite/30_threads/shared_lock/70766.cc: New test.

From-SVN: r235565
 2016-04-28 13:33:07 +01:00
Jonathan Wakely
a635cdb2cc libstdc++/70762 fix fallback implementation of nonexistent_path 
PR libstdc++/70762
	* testsuite/util/testsuite_fs.h (__gnu_test::nonexistent_path): Use
	static counter to return a different path on every call.

From-SVN: r235395
 2016-04-24 19:06:54 +01:00
Tim Shen
216f7526fe re PR libstdc++/70745 (Wrong handling of regex_constant::match_not_eow and regex_constant::match_not_bow) 
PR libstdc++/70745
	* include/bits/regex_executor.tcc (_Executor<>::_M_word_boundary):
	Fix the match_not_bow and match_not_eow behavior.
	* testsuite/28_regex/regression.cc: Add testcase.

From-SVN: r235382
 2016-04-23 03:58:37 +00:00
Jonathan Wakely
29ca91f72e libstdc++/69703 ignore endianness in codecvt_utf8 
PR libstdc++/69703
	* src/c++11/codecvt.cc (__codecvt_utf8_base<char16_t>::do_in)):
	Override endianness bit in mode.
	* testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: New test.
	* testsuite/22_locale/codecvt/codecvt_utf8_utf16/66855.cc: Test
	that little_endian mode is ignored.
	* testsuite/experimental/filesystem/path/native/string.cc: New test.

From-SVN: r235216
 2016-04-19 19:02:46 +01:00
Jonathan Wakely
1490525104 libstdc++/70609 fix filesystem::copy() 
PR libstdc++/70609
	* src/filesystem/ops.cc (close_fd): New function.
	(do_copy_file): Set permissions before copying file contents. Check
	result of closing file descriptors. Don't copy streambuf when file
	is empty.
	(copy(const path&, const path&, copy_options, error_code&)): Use
	lstat for source file when copy_symlinks is set.
	* testsuite/experimental/filesystem/operations/copy.cc: Test copy().

From-SVN: r235215
 2016-04-19 19:02:39 +01:00
Jonathan Wakely
0cded43df4 PR libstdc++/41759 reword static assertions in <random> 
PR libstdc++/41759
	* include/bits/random.h: Reword static assertion messages to state
	positive conditions.
	* include/bits/random.tcc: Likewise.
	* include/bits/uniform_int_dist.h: Likewise.
	* testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error
	patterns.

From-SVN: r235160
 2016-04-18 19:03:50 +01:00
Jonathan Wakely
b05cf382e0 Define std:🧵:id comparison operators at namespace-scope 
From-SVN: r235155
 2016-04-18 17:16:14 +01:00
Jonathan Wakely
4ed6e52446 Make use of extensions more explicit in libstdc++ tests 
* testsuite/18_support/bad_exception/23591_thread-1.c: Add
	-Wno-pedantic to dg-options.
	* testsuite/20_util/align/2.cc: Use type as operand of alignof.
	* testsuite/20_util/is_floating_point/value.cc: Add -Wno-pedantic
	to dg-options.
	* testsuite/20_util/specialized_algorithms/uninitialized_fill/32158.cc:
	Remove extra semi-colon.
	* testsuite/23_containers/array/tuple_interface/tuple_element.cc:
	Always supply second argument to static_assert.
	* testsuite/25_algorithms/lower_bound/no_operator_ne.cc: Remove extra
	semi-colon.
	* testsuite/26_numerics/complex/c99.cc: Add -Wno-pedantic to
	dg-options.
	* testsuite/26_numerics/complex/literals/values.cc: Likewise.
	* testsuite/29_atomics/atomic/60695.cc: Likewise.
	* testsuite/29_atomics/atomic/62259.cc: use __alignof__ instead of
	alignof when operand is an object not a type.
	* testsuite/decimal/ctor.cc: Add -Wno-pedantic to dg-options.
	* testsuite/decimal/make-decimal.cc: Likewise.
	* testsuite/experimental/type_traits/value.cc: Always supply second
	argument to static_assert.
	* testsuite/util/testsuite_common_types.h: Use __extension__ for
	__int128 types.

From-SVN: r235154
 2016-04-18 16:44:25 +01:00
Jonathan Wakely
abb6e0a19d Don't include internal header in libstdc++ tests 
* testsuite/experimental/type_erased_allocator/1.cc: Don't include
	internal header.
	* testsuite/experimental/type_erased_allocator/1_neg.cc: Likewise.
	* testsuite/experimental/type_erased_allocator/2.cc: Likewise.
	* testsuite/experimental/type_erased_allocator/uses_allocator.cc:
	Likewise. Add licence and change to compile-only test.

From-SVN: r235153
 2016-04-18 16:44:16 +01:00
Jason Merrill
9f285ccb77 Revert empty class parameter passing ABI changes. 
From-SVN: r234977
 2016-04-14 12:23:06 -04:00
Martin Sebor
342fac9537 PR c++/69517 - [5/6 regression] SEGV on a VLA with excess initializer elements 
PR c++/69517 - [5/6 regression] SEGV on a VLA with excess initializer elements
PR c++/70019 - VLA size overflow not detected
PR c++/70588 - SIGBUS on a VLA larger than SIZE_MAX / 2

gcc/testsuite/ChangeLog:
2016-04-13  Martin Sebor  <msebor@redhat.com>

        PR c++/69517
        PR c++/70019
        PR c++/70588
        * c-c++-common/ubsan/vla-1.c (main): Catch exceptions.
        * g++.dg/cpp1y/vla11.C: New test.
        * g++.dg/cpp1y/vla12.C: New test.
        * g++.dg/cpp1y/vla13.C: New test.
        * g++.dg/cpp1y/vla14.C: New test.
        * g++.dg/cpp1y/vla3.C: Restore deleted test.
        * gcc/testsuite/g++.dg/init/array24.C: Fully brace VLA initializer.
        * g++.dg/ubsan/vla-1.C: Disable exceptions.

gcc/cp/ChangeLog:
2016-04-13  Martin Sebor  <msebor@redhat.com>

        PR c++/69517
        PR c++/70019
        PR c++/70588
        * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
        functions.
        * decl.c (check_initializer, cp_finish_decl): Call them.
        (reshape_init_r): Reject incompletely braced intializer-lists
        for VLAs.
        * init.c (throw_bad_array_length, build_vla_check)
        (build_vla_size_check, build_vla_init_check): Define new functions.
        * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
        to detect a VLA.
        (store_init_value): Same.

gcc/doc/ChangeLog:
2016-04-13  Martin Sebor  <msebor@redhat.com>

        PR c++/69517
        PR c++/70019
        PR c++/70588
        * extend.texi (Variable Length): Document C++ specifics.

libstdc++-v3/ChangeLog:
2016-04-13  Martin Sebor  <msebor@redhat.com>

        PR c++/69517
        * testsuite/25_algorithms/rotate/moveable2.cc: Make sure VLA
       upper bound is positive.

From-SVN: r234966
 2016-04-13 17:26:41 -06:00
Jonathan Wakely
a6297ab587 Adjust for new empty class parameter passing ABI. 
* include/bits/c++config (_GLIBCXX_BEGIN_NAMESPACE_EMPTY_TYPES,
	_GLIBCXX_END_NAMESPACE_EMPTY_TYPES, _GLIBCXX_ABI_TAG_EMPTY): Define.
	* include/bits/hashtable.h (_Hashtable::_M_emplace): Change signatures
	of functions taking empty structs by value. Add a template parameter
	to overloads without hints. Rename overloads with hints to
	_M_emplace_hint.
	(_Hashtable::_M_erase(true_type, const_iterator),
	_Hashtable::_M_erase(false_type, const_iterator)): Change signatures
	by reordering parameters.
	* include/bits/hashtable_policy.h (_Insert::insert): Adjust to call
	_M_emplace_hint instead of _M_emplace.
	* include/bits/shared_ptr.h (shared_ptr(_Tp1*, _Deleter, _Alloc),
	shared_ptr(nullptr_t, _Deleter, _Alloc)): Use _GLIBCXX_ABI_TAG_EMPTY.
	* include/bits/shared_ptr_base.h (_Sp_counted_deleter, __shared_count,
	__shared_ptr): Likewise.
	* include/bits/stl_algo.h (replace_if): Likewise.
	* include/bits/stl_pair.h (piecewise_construct_t,
	piecewise_construct): Use _GLIBCXX_BEGIN_NAMESPACE_EMPTY_TYPES.
	* include/bits/uses_allocator.h (allocator_arg_t, allocator_arg,
	__uses_alloc0): Likewise.
	* include/ext/pb_ds/assoc_container.hpp (basic_hash_table): Likewise.
	* testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
	* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Likewise.
	* testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.
	* testsuite/20_util/uses_allocator/69293_neg.cc: Likewise.
	* testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
	* testsuite/ext/profile/mutex_extensions_neg.cc: Likewise.

From-SVN: r234964
 2016-04-13 23:00:50 +01:00
Jonathan Wakely
6da8b93163 * testsuite/30_threads/thread/70503.cc: Adjust from xfail to pass. 
From-SVN: r234808
 2016-04-07 15:26:24 +01:00
Jonathan Wakely
d5ec69f374 * testsuite/30_threads/thread/70503.cc: Require -static to work. 
From-SVN: r234757
 2016-04-05 18:21:48 +01:00
Jonathan Wakely
87cec93ee0 Ensure std::thread helpers have internal linkage 
PR libstdc++/70503
	* src/c++11/thread.cc (execute_native_thread_routine,
	execute_native_thread_routine_compat): Give internal linkage.
	* testsuite/30_threads/thread/70503.cc: New test.

From-SVN: r234746
 2016-04-05 14:35:32 +01:00
Ville Voutilainen
7b3318c41e re PR libstdc++/70437 (Instantiation loop with pair and is_constructible) 
PR libstdc++/70437
 	* include/bits/stl_pair.h (_ConstructiblePair,
	_ImplicitlyConvertiblePair, _MoveConstructiblePair,
	_ImplicitlyMoveConvertiblePair): Add shortcut conditions
	for same-type cases.
	* testsuite/20_util/pair/70437.cc: New.

From-SVN: r234743
 2016-04-05 14:31:30 +03:00
Jonathan Wakely
00e6c25ac8 libstdc++/69945 Add __gnu_cxx::__freeres hook 
PR libstdc++/69945
	* config/abi/pre/gnu.ver: Add new symbol.
	* libsupc++/eh_alloc.cc (__gnu_cxx::__freeres): Define.
	* testsuite/18_support/free_eh_pool.cc: New test.

From-SVN: r234465
 2016-03-24 18:13:40 +00:00
Jonathan Wakely
9aee022eb9 libstdc++/69893 make <tr1/cmath> work with C++11 
PR libstdc++/69893
	* include/tr1/cmath (acosh, asinh, atanh, cbrt, copysign, erf, erfc,
	exp2, expm1, fdim, fma, fmax, fmin, hypot, ilogb, lgamma, llrint,
	llround, log1p, log2, logb, lrint, lround, nan, nearbyint, nextafter,
	nexttoward, remainder, remquo, rint, round, scalbln, scalbn, tgamma,
	trunc) [__cplusplus >= 201103L]: Import from namespace std.
	(fabs) [__cplusplus < 201103L]: Import from namespace std.
	* include/tr1/complex (acosh, asinh, atanh) [__cplusplus >= 201103L]:
	Likewise.
	* testsuite/tr1/headers/c++200x/complex.cc: Add std::fabs to global
	namespace before including TR1 headers.
	* testsuite/tr1/headers/c++200x/math.cc: New test.

From-SVN: r233644
 2016-02-23 19:49:31 +00:00
Tim Shen
244901a572 re PR libstdc++/69794 (std::regex_search match failure with regex object with flags grep|icase) 
2016-02-16  Tim Shen  <timshen@google.com>

	PR libstdc++/69794
	* include/bits/regex_scanner.h: Add different special character
	sets for grep and egrep regex.
	* include/bits/regex_scanner.tcc: Use _M_spec_char more uniformly.
	* testsuite/28_regex/regression.cc: Add new testcase.

From-SVN: r233482
 2016-02-17 03:33:02 +00:00
Mike Stump
82f0f78917 Fix FAIL: special_functions/18_riemann_zeta/check_value.cc (test for excess errors) 
From-SVN: r233391
 2016-02-12 21:23:11 +00:00
Mike Stump
af583c4457 Ensure stdout is newline terminated for status wrappers. 
From-SVN: r233254
 2016-02-09 20:18:10 +00:00
Jonathan Wakely
3555173fb9 Test for C99 stdlib.h functions with -std=c++98 
PR libstdc++/69626
	* acinclude.m4 (GLIBCXX_ENABLE_C99): Check C99 stdlib.h functions
	with -std=c++98 and define _GLIBCXX98_USE_C99_STDLIB.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* testsuite/21_strings/c_strings/char/69626.cc: New.

From-SVN: r233161
 2016-02-04 23:47:21 +00:00
Jakub Jelinek
8dc781e454 * testsuite/libstdc++-prettyprinters/whatis.cc: Include <random>. 
From-SVN: r232898
 2016-01-27 20:31:06 +01:00
Jonathan Wakely
bae87f7fdd Set FP options for failing special functions tests 
PR libstdc++/69295
	* testsuite/ext/special_functions/hyperg/check_value.cc: Use
	-ffp-contract=off, and -ffloat-store to disable excess precision.
	* testsuite/special_functions/02_assoc_legendre/check_value.cc: Use
	-ffp-contract=off.

From-SVN: r232879
 2016-01-27 15:09:38 +00:00
Jonathan Wakely
f1d591e8a6 Fix assertions for move assignment of trivial types 
PR libstdc++/69478
	* include/bits/stl_algobase.h (__copy_move<_IsMove, true,
	random_access_iterator_tag>): Check is_move_assignable when moving.
	(__copy_move_backwards<_IsMove, true, random_access_iterator_tag>):
	Likewise.
	* testsuite/25_algorithms/copy/move_iterators/69478.cc: New.
	* testsuite/25_algorithms/copy_backward/move_iterators/69478.cc: New.
	* testsuite/25_algorithms/move/69478.cc: New.
	* testsuite/25_algorithms/move_backward/69478.cc: new.

From-SVN: r232842
 2016-01-26 19:38:20 +00:00
Jonathan Wakely
2944621e2c Avoid including all of <random> in <algorithm> 
PR libstdc++/69464
	* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/bits/random.h (uniform_int_distribution): Move to
	bits/uniform_int_dist.h.
	* include/bits/random.tcc (uniform_int_distribution::operator(),
	uniform_int_distribution::__generate_impl): Likewise.
	* include/bits/uniform_int_dist.h: New header.
	* include/bits/stl_algo.h [__cplusplus >= 201103L]: Include
	<bits/uniform_int_dist.h> instead of <random>.
	* testsuite/20_util/specialized_algorithms/uninitialized_copy/
	move_iterators/1.cc: Include correct header for uninitialized_copy.
	* testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
	move_iterators/1.cc: Likewise.
	* testsuite/25_algorithms/nth_element/58800.cc: Include correct
	header for vector.
	* testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lines.

From-SVN: r232798
 2016-01-25 16:44:30 +00:00
Edward Smith-Rowland
02dc241929 TR29124 C++ Special Math - <math.h> pulls funcs into global namespace. 
2016-01-22  Edward Smith-Rowland  <3dw4rd@verizon.net>

	TR29124 C++ Special Math - <math.h> pulls funcs into global namespace.
	* include/c_compatibility/math.h: Import the TR29124 functions
	into the global namespace.
	* testsuite/special_functions/01_assoc_laguerre/compile_2.cc: Remove
	xfail and make compile-only.
	* testsuite/special_functions/02_assoc_legendre/compile_2.cc: Ditto.
	* testsuite/special_functions/03_beta/compile_2.cc: Ditto.
	* testsuite/special_functions/04_comp_ellint_1/compile_2.cc: Ditto.
	* testsuite/special_functions/05_comp_ellint_2/compile_2.cc: Ditto.
	* testsuite/special_functions/06_comp_ellint_3/compile_2.cc: Ditto.
	* testsuite/special_functions/07_cyl_bessel_i/compile_2.cc: Ditto.
	* testsuite/special_functions/08_cyl_bessel_j/compile_2.cc: Ditto.
	* testsuite/special_functions/09_cyl_bessel_k/compile_2.cc: Ditto.
	* testsuite/special_functions/10_cyl_neumann/compile_2.cc: Ditto.
	* testsuite/special_functions/11_ellint_1/compile_2.cc: Ditto.
	* testsuite/special_functions/12_ellint_2/compile_2.cc: Ditto.
	* testsuite/special_functions/13_ellint_3/compile_2.cc: Ditto.
	* testsuite/special_functions/14_expint/compile_2.cc: Ditto.
	* testsuite/special_functions/15_hermite/compile_2.cc: Ditto.
	* testsuite/special_functions/16_laguerre/compile_2.cc: Ditto.
	* testsuite/special_functions/17_legendre/compile_2.cc: Ditto.
	* testsuite/special_functions/18_riemann_zeta/compile_2.cc: Ditto.
	* testsuite/special_functions/19_sph_bessel/compile_2.cc: Ditto.
	* testsuite/special_functions/20_sph_legendre/compile_2.cc: Ditto.
	* testsuite/special_functions/21_sph_neumann/compile_2.cc: Ditto.

From-SVN: r232755
 2016-01-22 23:17:10 +00:00
Jonathan Wakely
d1fb377c68 Constrain std::valarray functions and operators 
PR libstdc++/69116
	* include/bits/valarray_before.h (__fun, __fun_with_valarray): Only
	define result_type for types which can be safely used with valarrays.
	* testsuite/26_numerics/valarray/69116.cc: New.

From-SVN: r232748
 2016-01-22 21:15:41 +00:00
Jonathan Wakely
ab56cbed60 libstdc++/69406 Fix test to check for supported headers 
PR libstdc++/69406
	* include/bits/cpp_type_traits.h: Ensure C++ language linkage.
	* include/ext/type_traits.h: Likewise.
	* testsuite/17_intro/headers/c++2011/linkage.cc: Check autoconf macros
	for presence of C headers.
	* testsuite/ext/type_traits/add_unsigned_floating_neg.cc: Adjust
	dg-error line number.
	* testsuite/ext/type_traits/add_unsigned_integer_neg.cc: Likewise.
	* testsuite/ext/type_traits/remove_unsigned_floating_neg.cc: Likewise.
	* testsuite/ext/type_traits/remove_unsigned_integer_neg.cc: Likewise.

From-SVN: r232672
 2016-01-21 13:33:27 +00:00
Jonathan Wakely
3f93466af4 Add C++11 <cmath> overloads to the global namespace 
PR libstdc++/60401
	* include/c_compatibility/math.h (acosh, asinh, atanh, acbrt,
	copysign, erf, erfc, exp2, expm1, fdim, fma, fmax, fmin, hypot, ilogb,
	lgamma, llrint, llround, log1p, log2, logb, lrint, lround, nearbyint,
	nextafter, nexttoward, remainder, remquo, rint, round, scalbln, scalbn,
	tgamma, trunc) [__cplusplus >= 201103L && _GLIBCXX_USE_C99_MATH_TR1]:
	Add using declarations.
	* testsuite/26_numerics/headers/cmath/60401.cc: New.

From-SVN: r232627
 2016-01-20 17:44:58 +00:00