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9120 Commits

Author SHA1 Message Date
Jonathan Wakely
a1e1ec7605 Fix std::codecvt_utf8* for big-endian targets 
PR libstdc++/69703
	* src/c++11/codecvt.cc (__codecvt_utf8_base<char16_t>::do_in,
	__codecvt_utf8_utf16_base<char16_t>::do_in): Fix mask operations.

From-SVN: r235293
 2016-04-20 18:40:02 +01:00
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
9c476ad426 Add noexcept to Filesystem TS operators 
* include/experimental/bits/fs_fwd.h (operator&, operator|, operator^,
	operator~ operator&=, operator|=, operator^=): Add noexcept to
	overloaded operators for copy_options, perms and directory_options.
	* src/filesystem/ops.cc (make_file_type, make_file_status,
	is_not_found_errno, file_time): Add noexcept.

From-SVN: r235214
 2016-04-19 19:02:32 +01:00
Edward Smith-Rowland
d855ad89cb c++14_warning.h: Do not refer C++14 as experimental. 
2016-04-19  Edward Smith-Rowland  <3dw4rd@verizon.net>

	* include/bits/c++14_warning.h: Do not refer C++14 as experimental.

From-SVN: r235210
 2016-04-19 16:29:05 +00:00
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
90751aa731 Remove unused typedefs in std::bind types 
* include/std/function (_Bind, _Bind_result): Remove unused typedefs.

From-SVN: r235157
 2016-04-18 17:37:56 +01:00
Jonathan Wakely
351a5f8142 * config/cpu/sh/atomicity.h: Fix typo in comment. 
From-SVN: r235156
 2016-04-18 17:19:25 +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
Jonathan Wakely
6b6147dd48 Add attribute((unused)) in libstdc++ headers 
* include/bits/locale_facets.h (ctype::do_narrow): Add attribute to
	unused parameter.
	* include/bits/regex_automaton.h (_NFA::_M_insert_alt): Likewise.

From-SVN: r235152
 2016-04-18 16:44:12 +01:00
Jonathan Wakely
8dc1e574ae Avoid -Wsign-compare warnings in std::to_string() 
* include/ext/string_conversions.h (__stoa): Avoid -Wsign-compare
        warnings.

From-SVN: r235151
 2016-04-18 16:43:50 +01:00
Edward Smith-Rowland
80dbaf98d4 Trivial comment misspelling. 
From-SVN: r235092
 2016-04-18 02:32:50 +00:00
Edward Smith-Rowland
9a9534e162 Obvious typo in comment. 
From-SVN: r235091
 2016-04-18 02:30:31 +00:00
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
Edward Smith-Rowland
0c39f36dc5 Document C++17/TR29124 C++ Special Math Functions. 
2016-04-12  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Document C++17/TR29124 C++ Special Math Functions.
	* include/bits/specfun.h: Add Doxygen markup.

From-SVN: r234905
 2016-04-12 16:31:25 +00:00
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
Eric Botcazou
49a52ebcc0 Makefile.am (libstdc++-symbols.ver): Remove useless /dev/null. 
* src/Makefile.am (libstdc++-symbols.ver): Remove useless /dev/null.
	* src/Makefile.in: Regenerate.

From-SVN: r234782
 2016-04-06 15:07:49 +00:00
Jonathan Wakely
d2aee115cc Restore atomic builtins usage in libstdc++-v3 
PR libstdc++/70554
	* acinclude.m4 (GLIBCXX_ENABLE_ATOMIC_BUILTINS): Don't test
	__atomic_fetch_add for bool.
	* configure: Regenerate.

From-SVN: r234761
 2016-04-05 20:03:46 +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
Bernd Edlinger
bfd84e6ba5 Makefile.am (install-freestanding-headers): Add concept_check.h and move.h to the installed headers. 
2016-03-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * include/Makefile.am (install-freestanding-headers): Add
        concept_check.h and move.h to the installed headers.
        * include/Makefile.in: Regenerated.
        * include/bits/concept_check.h: Ignore _GLIBCXX_CONCEPT_CHECKS for
        freestanding implementations.
        * doc/xml/manual/using.xml (_GLIBCXX_CONCEPT_CHECKS): Mention
        that this macro has no effect for freestanding implementations.
        * doc/html/manual/using_macros.html: Likewise.

From-SVN: r234414
 2016-03-23 00:41:52 +00:00
Uros Bizjak
f2f48c6c60 * libsupc++/guard.cc: Revert my last commit. 
From-SVN: r234336
 2016-03-18 16:44:44 +01:00
Uros Bizjak
09d8f35943 Revert: 
2015-07-02  Uros Bizjak  <ubizjak@gmail.com>

	* libsupc++/guard.cc (__test_and_acquire): Use __p after __atomic_load
	to avoid unused variable warning.
	(__set_and_release): Use __p after __atomic_store to avoid unused
	variable warning.

From-SVN: r234331
 2016-03-18 16:28:54 +01:00
Jonathan Wakely
86715b0917 libstdc++/69939 Qualify get and forward 
PR libstdc++/69939
	* include/experimental/tuple (__apply_impl): Qualify get and forward.

From-SVN: r233666
 2016-02-24 13:59:29 +00:00
Jonathan Wakely
be9967e877 Document __STDCPP_WANT_MATH_SPEC_FUNCS__ macro 
* doc/xml/manual/using.xml: Document __STDCPP_WANT_MATH_SPEC_FUNCS__.
	* doc/html/*: Regenerate.

From-SVN: r233645
 2016-02-23 20:03:30 +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
Bernd Edlinger
5f6dd5930f re PR libstdc++/69881 (with gcc-6 of today building gcc-4.9 fails) 
2016-02-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR libstdc++/69881
        * include/c_global/cstdarg: Undefine __need___va_list.
        * include/c_global/cstddef: Undefine all kinds of __need_*.

From-SVN: r233636
 2016-02-23 15:57:09 +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
2158532f31 Remove accidentally added 'constexpr' in previous commit 
* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Remove accidentally
	added 'constexpr' in previous commit.
	* configure: Regenerate.

From-SVN: r233219
 2016-02-08 15:37:59 +00:00
Jonathan Wakely
cc07da33ae Enable isinf/isnan checks for all targets 
PR libstdc++/48891
	* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Enable isinf and isnan
	checks for all targets except *-*-solaris2.* and ensure we find the
	libc math.h header not our own.
	* configure: Regenerate.

From-SVN: r233214
 2016-02-08 15:22:32 +00:00
Dominik Vogt
acc046464c libstdc++: S/390: Add missing baseline_symbols.txt for s390x/-m31. 
The attached patch copies the existing 
libstdc++-v3/config/abi/post/s390-linux-gnu/baseline_symbols.txt
to .../s390x-linux-gnu/32/baseline_symbols.txt.  This fixes the
abi test failure on s390x with -m31.

libstdc++-v3/ChangeLog

	* config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt (FUNC):
	New file.  Copied over from s390-linux-gnu.

From-SVN: r233170
 2016-02-05 10:25:08 +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
Jonathan Wakely
15ebf37974 Regenerate front page of libstdc++ HTML docs 
* doc/html/index.html: Regenerate.

From-SVN: r233151
 2016-02-04 21:46:19 +00:00
Jonathan Wakely
dbcda3ee8e Update copyright years in libstdc++ manual and add link 
* doc/xml/manual/containers.xml: Add cross-reference to Dual ABI.
	* doc/xml/manual/spine.xml: Update copyright years and author blurb.
	* doc/html/*: Regenerate.

From-SVN: r233150
 2016-02-04 21:43:40 +00:00
Bernd Edlinger
571512d5f5 Don't define guard macros when doing #include_next in math.h and stdlib.h 
2016-02-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR libstdc++/69581
	* include/c_compatibility/math.h: Move header guards.
	* include/c_compatibility/stdlib.h: Likewise.

From-SVN: r233035
 2016-02-01 11:13:40 +00:00
Jonathan Wakely
f597d5f73c Fix Cygwin bootstrap error due to TM symbols 
PR libstdc++/69506
	* config/os/newlib/os_defines.h (_GLIBCXX_USE_WEAK_REF): Define.

From-SVN: r232974
 2016-01-29 10:52:08 +00:00
John David Anglin
69b0daeb4a re PR libstdc++/69450 (libstdc++-v3/include/math.h:66:1 2: error: 'constexpr bool std::isnan(double)' conflicts with a previous declaration) 
PR libstdc++/69450
	* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Split check for obsolete
	isinf and isnan functions into two independent checks.  Check on hpux.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* include/c_global/cmath (isinf(double), isnan(double)): Use
	_GLIBCXX_HAVE_OBSOLETE_ISINF and _GLIBCXX_HAVE_OBSOLETE_ISNAN,
	respectively.

From-SVN: r232925
 2016-01-28 13:09:23 +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
Andris Pavenis
8964d2a090 Fix build failure when wide character support is not available 
* include/c_compatibility/stdlib.h: Include wide character related
	definitions only when they are available in cstdlib.

From-SVN: r232835
 2016-01-26 18:07:33 +02:00
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