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5492 Commits

Author SHA1 Message Date
Jonathan Wakely
eac437bf2c Ensure C++ language linkage in cmath and cstdlib 
PR libstdc++/69386
	* include/c_global/ccomplex: Ensure C++ language linkage.
	* include/c_global/cmath: Likewise.
	* include/c_global/cstdlib: Likewise.
	* include/c_global/ctgmath: Likewise.
	* testsuite/17_intro/headers/c++2011/linkage.cc: New.

From-SVN: r232607
 2016-01-20 12:34:25 +00:00
Jonathan Wakely
96e19adabc Add C++-conforming wrappers for stdlib.h and math.h 
PR libstdc++/14608
	PR libstdc++/60401
	* include/Makefile.am: Use c_compatibility math.h and stdlib.h for
	--enable-cheaders=c_global configs.
	* include/Makefile.in: Regenerate.
	* include/c_compatibility/math.h: Remove obsolete _GLIBCXX_NAMESPACE_C
	test and allow inclusion from C files.
	* include/c_compatibility/stdlib.h: Likewise. Support freestanding.
	(at_quick_exit, quick_exit): Add using directives.
	* include/c_global/cmath: Use #include_next for math.h.
	* include/c_global/cstdlib: Use #include_next for stdlib.h.
	* testsuite/26_numerics/headers/cmath/14608.cc: New.
	* testsuite/26_numerics/headers/cmath/c99_classification_macros_c.cc:
	Remove xfail for most targets.
	* testsuite/26_numerics/headers/cstdlib/60401.cc: New.

From-SVN: r232586
 2016-01-19 21:43:55 +00:00
Torvald Riegel
9585381acd libstdc++: Fix usage of __GXX_WEAK__ in TM TS support. 
* include/bits/c++config (_GLIBCXX_USE_WEAK_REF): New.
	(_GLIBCXX_TXN_SAFE, _GLIBCXX_TXN_SAFE_DYN): Use	_GLIBCXX_USE_WEAK_REF
	and move after its definition.
	* config/os/aix/os_defines.h (_GLIBCXX_USE_WEAK_REF): Override.
	* src/c++11/cow-stdexcept.cc: Use _GLIBCXX_USE_WEAK_REF instead of
	__GXX_WEAK__, and only provide transactional clones if
	_GLIBCXX_USE_WEAK_REF is true.  Don't provide stubs of libitm
	functions.

From-SVN: r232539
 2016-01-18 20:09:55 +00:00
Jonathan Wakely
9c5ad80efd Fix construction of std::function from null pointer-to-member 
PR libstdc++/69293
	* include/std/functional (_Function_base::_M_not_empty_function):
	Change overloads for pointers to take arguments by value.
	* testsuite/20_util/function/cons/57465.cc: Add tests for
	pointer-to-member cases.

From-SVN: r232504
 2016-01-18 11:43:37 +00:00
Jonathan Wakely
d7c1581c04 Use static assertion for uses-allocator construction 
PR libstdc++/69293
	* include/bits/uses_allocator.h (__uses_alloc<true, ...>): Add
	static assertion that type is constructible from the arguments.
	* testsuite/20_util/scoped_allocator/69293_neg.cc: New.
	* testsuite/20_util/uses_allocator/69293_neg.cc: New.
	* testsuite/20_util/uses_allocator/cons_neg.cc: Adjust dg-error.

From-SVN: r232457
 2016-01-15 23:12:13 +00:00
Torvald Riegel
a04d5fc95d libstdc++: Make certain exceptions transaction_safe. 
From-SVN: r232454
 2016-01-15 22:42:41 +00:00
Steve Ellcey
cebeb718fe random.tcc: Use __builtin_isfinite instead of std::isfinite. 
2016-01-15  Steve Ellcey  <sellcey@imgtec.com>

	* include/ext/random.tcc: Use __builtin_isfinite instead of
	std::isfinite.

From-SVN: r232452
 2016-01-15 22:26:02 +00:00
Jonathan Wakely
3b07547d62 * include/bits/std_mutex.h: Fix Doxygen @file name. 
From-SVN: r232416
 2016-01-15 12:37:15 +00:00
Edward Smith-Rowland
2be75957b8 Implement TR29124 C++ special Math Functions. 
2016-01-14  Edward Smith-Rowland  <3dw4rd@verizon.net>
	    Jonathan Wakely  <jwakely@redhat.com>
	    Florian Goth <CaptainSifff@gmx.de>

	Implement TR29124 C++ special Math Functions.
	* include/Makefile.am: Add new headers.
	* include/Makefile.in: Regenerate.
	* include/bits/specfun.h: New.
	* include/c_global/cmath: Adjust for both tr1 and tr29124 maths.
	* include/tr1/bessel_function.tcc: Ditto.
	* include/tr1/beta_function.tcc: Ditto.
	* include/tr1/cmath: Ditto.
	* include/tr1/ell_integral.tcc: Ditto.
	* include/tr1/exp_integral.tcc: Ditto.
	* include/tr1/gamma.tcc: Ditto.
	* include/tr1/hypergeometric.tcc: Ditto.
	* include/tr1/legendre_function.tcc: Ditto.
	* include/tr1/modified_bessel_func.tcc: Ditto.
	* include/tr1/poly_hermite.tcc: Ditto.
	* include/tr1/poly_laguerre.tcc: Ditto.
	* include/tr1/riemann_zeta.tcc: Ditto.
	* include/tr1/special_function_util.h: Ditto.
	* testsuite/ext/special_functions/conf_hyperg: New.
	* testsuite/ext/special_functions/conf_hyperg/check_nan.cc: New.
	* testsuite/ext/special_functions/conf_hyperg/check_value.cc: New.
	* testsuite/ext/special_functions/conf_hyperg/compile.cc: New.
	* testsuite/ext/special_functions/hyperg: New.
	* testsuite/ext/special_functions/hyperg/check_nan.cc: New.
	* testsuite/ext/special_functions/hyperg/check_value.cc: New.
	* testsuite/ext/special_functions/hyperg/compile.cc: New.
	* testsuite/libstdc++-dg/conformance.exp: Add special_functions directory.
	* testsuite/special_functions/01_assoc_laguerre/check_nan.cc: New.
	* testsuite/special_functions/01_assoc_laguerre/check_value.cc: New.
	* testsuite/special_functions/01_assoc_laguerre/compile.cc: New.
	* testsuite/special_functions/01_assoc_laguerre/compile_2.cc: New.
	* testsuite/special_functions/02_assoc_legendre/check_nan.cc: New.
	* testsuite/special_functions/02_assoc_legendre/check_value.cc: New.
	* testsuite/special_functions/02_assoc_legendre/compile.cc: New.
	* testsuite/special_functions/02_assoc_legendre/compile_2.cc: New.
	* testsuite/special_functions/03_beta/check_nan.cc: New.
	* testsuite/special_functions/03_beta/check_value.cc: New.
	* testsuite/special_functions/03_beta/compile.cc: New.
	* testsuite/special_functions/03_beta/compile_2.cc: New.
	* testsuite/special_functions/04_comp_ellint_1/check_nan.cc: New.
	* testsuite/special_functions/04_comp_ellint_1/check_value.cc: New.
	* testsuite/special_functions/04_comp_ellint_1/compile.cc: New.
	* testsuite/special_functions/04_comp_ellint_1/compile_2.cc: New.
	* testsuite/special_functions/05_comp_ellint_2/check_nan.cc: New.
	* testsuite/special_functions/05_comp_ellint_2/check_value.cc: New.
	* testsuite/special_functions/05_comp_ellint_2/compile.cc: New.
	* testsuite/special_functions/05_comp_ellint_2/compile_2.cc: New.
	* testsuite/special_functions/06_comp_ellint_3/check_nan.cc: New.
	* testsuite/special_functions/06_comp_ellint_3/check_value.cc: New.
	* testsuite/special_functions/06_comp_ellint_3/compile.cc: New.
	* testsuite/special_functions/06_comp_ellint_3/compile_2.cc: New.
	* testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: New.
	* testsuite/special_functions/07_cyl_bessel_i/check_value.cc: New.
	* testsuite/special_functions/07_cyl_bessel_i/compile.cc: New.
	* testsuite/special_functions/07_cyl_bessel_i/compile_2.cc: New.
	* testsuite/special_functions/07_cyl_bessel_i/pr56216.cc: New.
	* testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: New.
	* testsuite/special_functions/08_cyl_bessel_j/check_value.cc: New.
	* testsuite/special_functions/08_cyl_bessel_j/compile.cc: New.
	* testsuite/special_functions/08_cyl_bessel_j/compile_2.cc: New.
	* testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: New.
	* testsuite/special_functions/09_cyl_bessel_k/check_value.cc: New.
	* testsuite/special_functions/09_cyl_bessel_k/compile.cc: New.
	* testsuite/special_functions/09_cyl_bessel_k/compile_2.cc: New.
	* testsuite/special_functions/10_cyl_neumann/check_nan.cc: New.
	* testsuite/special_functions/10_cyl_neumann/check_value.cc: New.
	* testsuite/special_functions/10_cyl_neumann/compile.cc: New.
	* testsuite/special_functions/10_cyl_neumann/compile_2.cc: New.
	* testsuite/special_functions/11_ellint_1/check_nan.cc: New.
	* testsuite/special_functions/11_ellint_1/check_value.cc: New.
	* testsuite/special_functions/11_ellint_1/compile.cc: New.
	* testsuite/special_functions/11_ellint_1/compile_2.cc: New.
	* testsuite/special_functions/12_ellint_2/check_nan.cc: New.
	* testsuite/special_functions/12_ellint_2/check_value.cc: New.
	* testsuite/special_functions/12_ellint_2/compile.cc: New.
	* testsuite/special_functions/12_ellint_2/compile_2.cc: New.
	* testsuite/special_functions/13_ellint_3/check_nan.cc: New.
	* testsuite/special_functions/13_ellint_3/check_value.cc: New.
	* testsuite/special_functions/13_ellint_3/compile.cc: New.
	* testsuite/special_functions/13_ellint_3/compile_2.cc: New.
	* testsuite/special_functions/14_expint/check_nan.cc: New.
	* testsuite/special_functions/14_expint/check_value.cc: New.
	* testsuite/special_functions/14_expint/compile.cc: New.
	* testsuite/special_functions/14_expint/compile_2.cc: New.
	* testsuite/special_functions/15_hermite/check_nan.cc: New.
	* testsuite/special_functions/15_hermite/check_value.cc: New.
	* testsuite/special_functions/15_hermite/compile.cc: New.
	* testsuite/special_functions/15_hermite/compile_2.cc: New.
	* testsuite/special_functions/16_laguerre/check_nan.cc: New.
	* testsuite/special_functions/16_laguerre/check_value.cc: New.
	* testsuite/special_functions/16_laguerre/compile.cc: New.
	* testsuite/special_functions/16_laguerre/compile_2.cc: New.
	* testsuite/special_functions/17_legendre/check_nan.cc: New.
	* testsuite/special_functions/17_legendre/check_value.cc: New.
	* testsuite/special_functions/17_legendre/compile.cc: New.
	* testsuite/special_functions/17_legendre/compile_2.cc: New.
	* testsuite/special_functions/18_riemann_zeta/check_nan.cc: New.
	* testsuite/special_functions/18_riemann_zeta/check_value.cc: New.
	* testsuite/special_functions/18_riemann_zeta/compile.cc: New.
	* testsuite/special_functions/18_riemann_zeta/compile_2.cc: New.
	* testsuite/special_functions/19_sph_bessel/check_nan.cc: New.
	* testsuite/special_functions/19_sph_bessel/check_value.cc: New.
	* testsuite/special_functions/19_sph_bessel/compile.cc: New.
	* testsuite/special_functions/19_sph_bessel/compile_2.cc: New.
	* testsuite/special_functions/20_sph_legendre/check_nan.cc: New.
	* testsuite/special_functions/20_sph_legendre/check_value.cc: New.
	* testsuite/special_functions/20_sph_legendre/compile.cc: New.
	* testsuite/special_functions/20_sph_legendre/compile_2.cc: New.
	* testsuite/special_functions/21_sph_neumann/check_nan.cc: New.
	* testsuite/special_functions/21_sph_neumann/check_value.cc: New.
	* testsuite/special_functions/21_sph_neumann/compile.cc: New.
	* testsuite/special_functions/21_sph_neumann/compile_2.cc: New.
	* testsuite/util/specfun_testcase.h: New.
	* testsuite/tr1/5_numerical_facilities/special_functions/08_cyl_bessel_i/check_value.cc: More testcases.
	* testsuite/tr1/5_numerical_facilities/special_functions/09_cyl_bessel_j/check_value.cc: Ditto.
	* testsuite/tr1/5_numerical_facilities/special_functions/10_cyl_bessel_k/check_value.cc: Ditto.
	* testsuite/tr1/5_numerical_facilities/special_functions/11_cyl_neumann/check_value.cc: Ditto.
	* testsuite/tr1/5_numerical_facilities/special_functions/21_sph_bessel/check_value.cc: Ditto.
	* testsuite/tr1/5_numerical_facilities/special_functions/23_sph_neumann/check_value.cc: Ditto.
	* testsuite/tr1/5_numerical_facilities/special_functions/16_hermite/check_value.cc: New.


Co-Authored-By: Florian Goth <CaptainSifff@gmx.de>
Co-Authored-By: Jonathan Wakely <jwakely@redhat.com>

From-SVN: r232377
 2016-01-14 18:12:43 +00:00
Jonathan Wakely
39a1d8c894 Use ::isinf and ::isnan if libc defines them 
PR libstdc++/48891
	* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Check for obsolete isinf
	and isnan functions.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* include/c_global/cmath (isinf(double), isnan(double))
	[_GLIBCXX_HAVE_OBSOLETE_ISINF_ISNAN]: Import via using-directive.
	* testsuite/26_numerics/headers/cmath/48891.cc: New.

From-SVN: r232327
 2016-01-13 16:25:56 +00:00
Daniel Kruegler
26b5ace7ea libstdc++/68877 Reimplement std::__is_swappable 
2016-01-12  Daniel Kruegler  <daniel.kruegler@gmail.com>

	PR libstdc++/68877
	* include/std/type_traits: Following N4511, reimplement __is_swappable
	and __is_nothrow_swappable. Move __is_swappable to namespace std,
	adjust callers. Use __is_nothrow_swappable in swap.
	* include/bits/move.h: Use __is_nothrow_swappable in swap.
	* testsuite/20_util/is_nothrow_swappable/value.cc: Extend; remove
	__is_swappable related tests.
	* testsuite/20_util/is_swappable/value.cc: New.
	* testsuite/20_util/is_swappable/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/is_swappable/requirements/typedefs.cc: New.
	* testsuite/25_algorithms/swap/68877.cc: New.

From-SVN: r232296
 2016-01-12 21:19:58 +00:00
Jonathan Wakely
1c3c7c4145 Prevent recursive instantiation in std::function 
PR libstdc++/69005
	PR libstdc++/69222
	* include/std/functional (function::_Invoke): Remove, use result_of.
	(function::_Callable): Replace alias template with class template
	and use partial specialization instead of _NotSelf alias template.
	(function(_Functor)): Add "not self" constraint so that _Callable is
	not used while type is incomplete.
	* testsuite/20_util/function/69222.cc: New.

From-SVN: r232273
 2016-01-12 14:54:33 +00:00
Jonathan Wakely
1517bc3008 allocator_traits<allocator<T>> partial specialization 
PR libstdc++/60976
	* include/bits/alloc_traits.h (allocator_traits<allocator<_Tp>>):
	Define partial specialization.
	* testsuite/20_util/shared_ptr/cons/58659.cc: Add construct and
	destroy members to std::allocator explicit specialization.

From-SVN: r232232
 2016-01-11 16:47:58 +00:00
Jonathan Wakely
e525d78caa Add missing include for std::__addressof 
PR libstdc++/69160
	* include/bits/uses_allocator.h: Add missing include.

From-SVN: r232162
 2016-01-08 13:14:01 +00:00
Jonathan Wakely
f885fa898f Use std::addressof in insert iterators, allocators and promises 
PR libstdc++/69105
	PR libstdc++/69106
	PR libstdc++/69114
	* include/bits/stl_iterator.h (back_insert_iterator,
	front_insert_iterator, insert_iterator): Use __addressof (LWG 2324).
	* include/bits/uses_allocator.h (__use_alloc): Use __addressof.
	* include/std/future (__future::base::_State_baseV2::__setter):
	Likewise.
	* include/std/scoped_allocator (__outermost): Likewise.
	* testsuite/20_util/scoped_allocator/69114.cc: New.
	* testsuite/20_util/uses_allocator/69114.cc: New.
	* testsuite/30_threads/promise/69106.cc: New.

From-SVN: r232129
 2016-01-07 15:01:33 +00:00
Jonathan Wakely
373a75fb2a Remove noexcept from function template that can throw 
PR libstdc++/69092
	* include/bits/basic_string.h (basic_string::_S_copy_chars<_Iterator>):
	Remove _GLIBCXX_NOEXCEPT.
	testsuite/21_strings/basic_string/cons/char/69092.cc: New.

From-SVN: r232112
 2016-01-06 20:34:41 +00:00
Jonathan Wakely
0c3e5dd1e6 Rename bits/mutex.h to avoid clashing with glibc 
* include/Makefile.am: Adjust.
	* include/Makefile.in: Regenerate.
	* include/bits/mutex.h: Rename to bits/std_mutex.h.
	* include/std/condition_variable: Adjust include.
	* include/std/mutex: Likewise.

From-SVN: r232101
 2016-01-06 13:00:33 +00:00
Jakub Jelinek
818ab71a41 Update copyright years. 
From-SVN: r232055
 2016-01-04 15:30:50 +01:00
Edward Smith-Rowland
9be77061cf 2015-12-27 Edward Smith-Rowland <3dw4rd@verizon.net> 
* include/bits/c++0x_warning.h Remove experimental language.

From-SVN: r231966
 2015-12-28 00:07:19 +00:00
Jonathan Wakely
9643ce888b Add inline to std::__invfwd 
PR libstdc++/59768
	* include/std/functional (__invfwd): Add inline specifier.

From-SVN: r231900
 2015-12-22 11:37:07 +00:00
Jonathan Wakely
a716d11ad4 libstdc++/68995 qualify calls to __callable_functor 
PR libstdc++/68995
	* include/std/functional (_function_handler, function): Qualify
	__callable_functor.
	* testsuite/20_util/function/68995.cc: New.

From-SVN: r231880
 2015-12-21 13:02:18 +00:00
Jonathan Wakely
e9e6a99538 libstdc++/68276 consistently qualify std::forward 
PR libstdc++/68276
	* include/std/functional (__invoke_impl, _Mem_fn::operator()): Qualify
	std::forward.
	testsuite/20_util/function_objects/mem_fn/68276.cc: New.

From-SVN: r231879
 2015-12-21 13:02:12 +00:00
Ville Voutilainen
de0830e12b re PR libstdc++/66693 ([C++17] std::tuple_size fails with const std::array) 
PR libstdc++/66693.

	* include/std/tuple (tuple_element, tuple_size, tuple_element_t,
	__tuple_element_t): Move to...
	* include/std/utility: ...here.
	* testsuite/20_util/pair/astuple/astuple.cc: Adjust.
	* testsuite/20_util/pair/astuple/astuple_cpp14.cc: New.
	* testsuite/20_util/tuple/tuple_element.cc: Adjust.
	* testsuite/20_util/tuple/tuple_element_t.cc: Likewise.
	* testsuite/20_util/tuple/tuple_size.cc: Likewise.
	* testsuite/23_containers/array/tuple_interface/tuple_element.cc:
	Likewise.
	* testsuite/23_containers/array/tuple_interface/tuple_element_cpp14.cc:
	New.
	* testsuite/23_containers/array/tuple_interface/tuple_size.cc: Adjust.

From-SVN: r231875
 2015-12-21 13:22:16 +02:00
Jonathan Wakely
b110e777bd Restore accidentally-removed volatile qualifier 
* include/std/functional (_Mu<_Arg, false, false>::operator()): Restore
	accidentally-removed volatile qualifier.

From-SVN: r231660
 2015-12-15 17:06:25 +00:00
Jonathan Wakely
72030b28a1 Remove vestigial traces of std::tr1::bind 
* include/std/functional (is_placeholder, is_bind_expression): Update
	comments.
	(_Safe_tuple_element): Replace with _Safe_tuple_element_t alias
	template.
	(_Mu): Remove vestigial TR1 return types and update coments.

From-SVN: r231653
 2015-12-15 14:17:27 +00:00
Jonathan Wakely
6666731254 Fix cv-qualifiers in std::bind invocation 
PR libstdc++/68912
	* include/std/functional (_Bind::operator()): Use lvalue functor to
	deduce return type.
	* testsuite/20_util/bind/68912.cc: New.

From-SVN: r231652
 2015-12-15 14:17:17 +00:00
Tim Shen
3ce38f68f9 re PR libstdc++/68863 (Regular expressions: Backreferences don't work in negative lookahead) 
PR libstdc++/68863
	* include/bits/regex_executor.tcc (_Executor::_M_lookahead):
	Copy the captured content for lookahead, so that the backreferences
	inside can refer to them.
	* testsuite/28_regex/algorithms/regex_match/ecma/char/68863.cc:
	New testcase.

From-SVN: r231641
 2015-12-15 04:50:29 +00:00
Jonathan Wakely
f3d7dd52a6 Fix std::invoke support for reference_wrappers 
PR libstdc++/59768
	* include/std/functional (_Unwrap, __invfwd): Define.
	(__invoke_impl): Remove reference_wrapper overloads and use __invfwd.
	* include/std/type_traits (__result_of_memobj, __result_of_memfun):
	Add partial specializations for const reference_wrappers and simplify.
	* testsuite/20_util/bind/ref_neg.cc: Use dg-excess-errors.
	* testsuite/20_util/function_objects/invoke/59768.cc: New.

From-SVN: r231574
 2015-12-11 21:45:51 +00:00
Jonathan Wakely
aca12aff8b Fix dejagnu directives in shared_ptr test 
PR libstdc++/68825
	* include/experimental/bits/shared_ptr.h (__shared_ptr, __weak_ptr,
	experimental::shared_ptr, experimental::weak_ptr): Constrain
	assignment operators.
	* testsuite/experimental/memory/shared_ptr/cons/copy_ctor_neg.cc:
	Change to a compile-only test and change dg-excess-errors to dg-error.

From-SVN: r231516
 2015-12-10 14:32:16 +00:00
Jonathan Wakely
6b4f890601 Improve generated libstdc++ API docs 
* doc/doxygen/user.cfg.in: Use EXTENSION_MAPPING tag. Add new headers
	to INPUT. Remove obsolete XML_SCHEMA and XML_DTD tags. Update
	PREDEFINED macros. Set BRIEF_MEMBER_DESC for man-pages.
	* include/backward/strstream: Correct @file comment.
	* include/bits/forward_list.h: Improve Doxygen comments.
	* include/bits/locale_facets_nonio.h: Likewise.
	* include/bits/mutex.h: Likewise.
	* include/bits/shared_ptr.h: Likewise.
	* include/bits/stl_deque.h: Likewise.
	* include/debug/vector (_Safe_vector): Add @brief section to comment.
	* include/experimental/bits/fs_dir.h: Correct @file comment.
	* include/experimental/bits/fs_fwd.h: Likewise.
	* include/experimental/bits/fs_ops.h: Likewise.
	* include/experimental/bits/fs_path.h: Likewise.
	* include/experimental/bits/string_view.tcc: Likewise.
	* include/experimental/optional: Document experimental status.
	* include/experimental/string_view: Correct @file comment.
	* include/ext/pb_ds/detail/bin_search_tree_/traits.hpp: Reduce
	whitespace to avoid Doxygen bug.
	* include/std/bitset: Remove redundant @class Doxygen command. Add
	parentheses to avoid Doxygen bug.
	* include/std/mutex: Improve Doxygen comments.
	* include/tr2/dynamic_bitset: Add missing @param documentation.
	* scripts/run_doxygen: Rename man pages for std::experimental types.

From-SVN: r231512
 2015-12-10 14:02:52 +00:00
Jonathan Wakely
755be51d02 PR libstdc++/57060 cope with invalid thread IDs 
PR libstdc++/57060
	* include/std/thread (operator==(thread::id, thread::id)): Do not use
	__gthread_equal.
	(operator<(thread::id, thread::id)): Add comment.
	(this_thread::get_id()): Do not use __gthread_self for single-threaded
	programs using glibc.
	* testsuite/30_threads/this_thread/57060.cc: New.

From-SVN: r231289
 2015-12-04 17:32:40 +00:00
Jonathan Wakely
28eca950b7 Fix ambiguity with multiple enable_shared_from_this bases 
PR libstdc++/56383
	* testsuite/20_util/enable_shared_from_this/56383.cc: New.
	* include/bits/shared_ptr_base.h (__enable_shared_from_this): Make
	friend declaration match previous declaration of
	__enable_shared_from_this_helper.
	* include/bits/shared_ptr.h (enable_shared_from_this): Likewise.

From-SVN: r231181
 2015-12-02 15:08:18 +00:00
Jonathan Wakely
22f5095f31 Define path::_Cmpt after specializing path::__is_encoded_char 
* include/experimental/bits/fs_path.h (path::_Cmpt): Move definition
	after path::__is_encoded_char explicit specializations.

From-SVN: r231107
 2015-12-01 11:33:17 +00:00
Rainer Orth
ef3a75060e Handle C++11 <math.h> overloads on Solaris 12 
* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): New test.
	* configure.ac: Use it.
	* configure: Regenerate.
	* config.h.in: Regenerate.

	* include/c_global/cmath [__cplusplus >= 201103L]
	(std::fpclassify): Wrap in !__CORRECT_ISO_CPP11_MATH_H_PROTO.
	(std::isfinite): Likewise.
	(std::isinf): Likewise.
	(std::isnan): Likewise.
	(std::isnormal): Likewise.
	(std::signbit): Likewise.
	(std::isgreater): Likewise.
	(std::isgreaterequal): Likewise.
	(std::isless): Likewise.
	(std::islessequal): Likewise.
	(std::islessgreater): Likewise.
	(std::isunordered): Likewise.
	(std::acosh): Likewise.
	(std::asinh): Likewise.
	(std::atanh): Likewise.
	(std::cbrt): Likewise.
	(std::copysign): Likewise.
	(std::erf): Likewise.
	(std::erfc): Likewise.
	(std::exp2): Likewise.
	(std::expm1): Likewise.
	(std::fdim): Likewise.
	(std::fma): Likewise.
	(std::fmax): Likewise.
	(std::fmin): Likewise.
	(std::hypot): Likewise.
	(std::ilogb): Likewise.
	(std::lgamma): Likewise.
	(std::llrint): Likewise.
	(std::llround): Likewise.
	(std::log1p): Likewise.
	(std::log2): Likewise.
	(std::logb): Likewise.
	(std::lrint): Likewise.
	(std::lround): Likewise.
	(std::nearbyint): Likewise.
	(std::nextafter): Likewise.
	(std::nexttoward): Likewise.
	(std::remainder): Likewise.
	(std::remquo): Likewise.
	(std::rint): Likewise.
	(std::round): Likewise.
	(std::scalbln): Likewise.
	(std::scalbn): Likewise.
	(std::tgamma): Likewise.
	(std::trunc): Likewise.
	* include/tr1/cmath [_GLIBCXX_USE_C99_MATH_TR1] (std::tr1::acosh):
	Wrap in !__CORRECT_ISO_CPP11_MATH_H_PROTO.
	(std::tr1::asinh): Likewise.
	(std::tr1::atanh): Likewise.
	(std::tr1::cbrt): Likewise.
	(std::tr1::copysign): Likewise.
	(std::tr1::erf): Likewise.
	(std::tr1::erfc): Likewise.
	(std::tr1::exp2): Likewise.
	(std::tr1::expm1): Likewise.
	(std::tr1::fabs): Likewise.
	(std::tr1::fdim): Likewise.
	(std::tr1::fma): Likewise.
	(std::tr1::fmax): Likewise.
	(std::tr1::fmin): Likewise.
	(std::tr1::hypot): Likewise.
	(std::tr1::ilogb): Likewise.
	(std::tr1::lgamma): Likewise.
	(std::tr1::llrint): Likewise.
	(std::tr1::llround): Likewise.
	(std::tr1::log1p): Likewise.
	(std::tr1::log2): Likewise.
	(std::tr1::logb): Likewise.
	(std::tr1::lrint): Likewise.
	(std::tr1::lround): Likewise.
	(std::tr1::nearbyint): Likewise.
	(std::tr1::nextafter): Likewise.
	(std::tr1::nexttoward): Likewise.
	(std::tr1::remainder): Likewise.
	(std::tr1::remquo): Likewise.
	(std::tr1::rint): Likewise.
	(std::tr1::scalbln): Likewise.
	(std::tr1::scalbn): Likewise.
	(std::tr1::tgamma): Likewise.
	(std::tr1::trunc): Likewise.
	(std::tr1::pow): Likewise.

	* testsuite/26_numerics/headers/cmath/c99_classification_macros_c.cc:
	Restrict dg-xfail-if, dg-excess-errors to *-*-solaris2.1[01]*.

From-SVN: r230807
 2015-11-24 13:15:43 +00:00
Jonathan Wakely
5f0b7c9548 PR libstdc++/66059 optimise _Build_index_tuple 
PR libstdc++/66059
	* include/std/utility (_Build_index_tuple): Optimise.

From-SVN: r230496
 2015-11-17 19:54:33 +00:00
Jonathan Wakely
356510acd9 PR libstdc++/68353 fix _GLIBCXX_USE_C99_WCHAR test 
PR libstdc++/68353
	* include/bits/basic_string.h: Test value of _GLIBCXX_USE_C99_WCHAR
	not whether it is defined.
	* include/ext/vstring.h: Likewise.

From-SVN: r230395
 2015-11-15 11:15:08 +00:00
Jonathan Wakely
5ae465c530 Define std::experimental::randint etc. 
* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/experimental/random: New.
	* testsuite/experimental/random/randint.cc: New.

From-SVN: r230332
 2015-11-13 16:49:40 +00:00
Jennifer Yao
23c64853c8 More fine-grained autoconf checks for C99 library 
2015-11-13  Jennifer Yao  <jenny.hyphen.fa@gmail.com>
	    Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/58393
	PR libstdc++/61580
	* acinclude.m4 (GLIBCXX_ENABLE_C99): Perform tests twice, with
	-std=c++11 as well as -std=c++98, and define separate macros for each.
	Cache the results of checking for complex math and wide character
	functions. Reformat for readability.
	* config.h.in: Regenerate.
	* include/bits/c++config: Define _GLIBCXX_USE_C99_XXX macros to
	either _GLIBCXX98_USE_C99_XXX or _GLIBCXX11_USE_C99_XXX according to
	language standard in use.
	* config/locale/dragonfly/c_locale.h (std::__convert_from_v): Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDIO.
	* config/locale/generic/c_locale.h (std::__convert_from_v): Likewise.
	* config/locale/gnu/c_locale.h (std::__convert_from_v): Likewise.
	* config/os/bsd/dragonfly/os_defines.h: Define _GLIBCXX_USE_C99_STDIO,
	_GLIBCXX_USE_C99_STDLIB, and _GLIBCXX_USE_C99_WCHAR.
	* configure: Regenerate.
	* include/bits/basic_string.h: Make numeric conversion functions
	depend on _GLIBCXX_USE_C99_STDIO, _GLIBCXX_USE_C99_STDLIB, or
	_GLIBCXX_USE_C99_WCHAR, instead of _GLIBCXX_USE_C99.
	* include/ext/vstring.h: Likewise.
	* include/bits/locale_facets.tcc (std::num_put::_M_insert_float):
	Replace _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDIO.
	* include/bits/locale_facets_nonio.tcc (std::money_put::do_put):
	Likewise.
	* include/c_compatibility/math.h: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_MATH.
	* include/c_compatibility/wchar.h: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_WCHAR.
	* include/c_global/cstdio: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDIO.
	* include/c_global/cstdlib: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDLIB.
	* include/c_global/cwchar: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_WCHAR.
	* include/c_std/cstdio: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDIO.
	* include/c_std/cstdlib: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDLIB.
	* include/c_std/cwchar: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_WCHAR.
	* include/tr1/cstdio: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDIO.
	* include/tr1/cstdlib: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDLIB.
	* include/tr1/cwchar: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_WCHAR.
	* include/tr1/stdlib.h: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDLIB.
	* src/c++98/locale_facets.cc (std::__num_base::_S_format_float):
	Replace _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDIO.
	* testsuite/18_support/exception_ptr/60612-terminate.cc: Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDLIB.
	* testsuite/18_support/exception_ptr/60612-unexpected.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stod.cc
	(test01): Replace _GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_WCHAR.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stof.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stoi.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stol.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stold.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stoll.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stoul.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	stoull.cc: Likewise.
	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/
	to_wstring.cc: Likewise.
	* testsuite/26_numerics/headers/cstdlib/13943.cc: Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDLIB.
	* testsuite/26_numerics/headers/cstdlib/types_std_c++0x.cc: Likewise.
	* testsuite/lib/libstdc++.exp (check_v3_target_string_conversions):
	Change preprocessor #if conditional so that it uses
	_GLIBCXX_USE_C99_STDIO, _GLIBCXX_USE_C99_STDLIB, and
	_GLIBCXX_USE_C99_WCHAR, instead of _GLIBCXX_USE_C99.
	* testsuite/tr1/8_c_compatibility/cmath/templates.cc: Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_MATH.
	* testsuite/tr1/8_c_compatibility/cstdio/functions.cc: Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDIO.
	* testsuite/tr1/8_c_compatibility/cstdlib/functions.cc: Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_STDLIB.
	* testsuite/tr1/8_c_compatibility/cstdlib/types_std_tr1.cc: Likewise.
	* testsuite/tr1/8_c_compatibility/cwchar/functions.cc: Replace
	_GLIBCXX_USE_C99 with _GLIBCXX_USE_C99_WCHAR.
	* testsuite/util/testsuite_fs.h: Replace _GLIBCXX_USE_C99 with
	_GLIBCXX_USE_C99_STDIO.

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

From-SVN: r230324
 2015-11-13 14:51:25 +00:00
Jonathan Wakely
011b25e4f5 * include/experimental/bits/shared_ptr.h: Tweak comments. 
From-SVN: r230306
 2015-11-13 11:30:30 +00:00
Fan You
930d560203 Implement std::experimental::shared_ptr with array support 
2015-11-13  Fan You  <youfan.noey@gmail.com>
	    Jonathan Wakely  <jwakely@redhat.com>

	* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/experimental/bits/shared_ptr.h: New.
	* include/experimental/memory: Include new header.
	* testsuite/experimental/memory/shared_ptr/assign/assign.cc: New.
	* testsuite/experimental/memory/shared_ptr/cast/cast.cc: New.
	* testsuite/experimental/memory/shared_ptr/comparison/comparison.cc:
	New.
	* testsuite/experimental/memory/shared_ptr/cons/alias_ctor.cc: New.
	* testsuite/experimental/memory/shared_ptr/cons/alloc_ctor.cc: New.
	* testsuite/experimental/memory/shared_ptr/cons/copy_ctor.cc: New.
	* testsuite/experimental/memory/shared_ptr/cons/copy_ctor_neg.cc: New.
	* testsuite/experimental/memory/shared_ptr/cons/default_ctor.cc: New.
	* testsuite/experimental/memory/shared_ptr/cons/move_ctor.cc: New.
	* testsuite/experimental/memory/shared_ptr/cons/pointer_ctor.cc: New.
	* testsuite/experimental/memory/shared_ptr/cons/unique_ptr_ctor.cc:
	New.
	* testsuite/experimental/memory/shared_ptr/cons/weak_ptr_ctor.cc: New.
	* testsuite/experimental/memory/shared_ptr/dest/dest.cc: New.
	* testsuite/experimental/memory/shared_ptr/modifiers/reset.cc: New.
	* testsuite/experimental/memory/shared_ptr/modifiers/swap.cc: New.
	* testsuite/experimental/memory/shared_ptr/observers/bool_conv.cc:
	New.
	* testsuite/experimental/memory/shared_ptr/observers/operators.cc:
	New.
	* testsuite/experimental/memory/shared_ptr/observers/owner_before.cc:
	New.
	* testsuite/experimental/memory/shared_ptr/observers/use_count.cc: New.

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

From-SVN: r230300
 2015-11-13 11:05:28 +00:00
Jonathan Wakely
8014404589 Define alias templates using polymorphic memory resources 
* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/experimental/memory_resource: Add feature-test macro.
	* include/experimental/regex: New.
	* include/experimental/deque: Add alias template using PMR.
	* include/experimental/forward_list: Likewise.
	* include/experimental/list: Likewise.
	* include/experimental/map: Likewise.
	* include/experimental/set: Likewise.
	* include/experimental/string: Likewise.
	* include/experimental/unordered_map: Likewise.
	* include/experimental/unordered_set: Likewise.
	* include/experimental/vector: Likewise.

From-SVN: r230295
 2015-11-13 10:01:05 +00:00
Fan You
bfeffbd1ae Implement C++ LFTSv1 polymorphic memory resources 
2015-11-13  Fan You  <youfan.noey@gmail.com>

	* include/Makefile.am: Add new headers.
	* include/Makefile.in: Regenerate.
	* include/bits/uses_allocator.h (__erased_type): Define.
	(__uses_allocator_helper): Check for __erased_type.
	* include/experimental/memory_resource: New.
	* include/experimental/utlity: New.
	* testsuite/experimental/type_erased_allocator/1.cc: New.
	* testsuite/experimental/type_erased_allocator/1_neg.cc: New.
	* testsuite/experimental/type_erased_allocator/2.cc: New.
	* testsuite/experimental/type_erased_allocator/uses_allocator.cc: New.

From-SVN: r230294
 2015-11-13 10:00:59 +00:00
Jonathan Wakely
fbfae2f089 Extend valid values of iostream bitmask types 
PR libstdc++/56158
	* include/bits/ios_base.h (_Ios_Fmtflags, _Ios_Openmode, _Ios_Iostate):
	Define enumerators to ensure all values of type int are valid values
	of the enumeration type.
	* testsuite/27_io/ios_base/types/fmtflags/case_label.cc: Add new cases.
	* testsuite/27_io/ios_base/types/iostate/case_label.cc: Likewise.
	* testsuite/27_io/ios_base/types/openmode/case_label.cc: Likewise.

From-SVN: r230267
 2015-11-12 17:08:42 +00:00
Jonathan Wakely
f022ab0310 * include/std/thread: Include <cerrno> for EINTR. 
From-SVN: r230266
 2015-11-12 16:13:06 +00:00
Ville Voutilainen
c3a6648b1c Implement D0013R2, logical type traits. 
2015-11-12  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement D0013R2, logical type traits.

	/libstdc++-v3
	* include/experimental/type_traits (conjunction_v, disjunction_v,
	negation_v): New.
	* include/std/type_traits (conjunction, disjunction, negation):
	Likewise.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Likewise.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/experimental/type_traits/value.cc: Likewise.
	* testsuite/20_util/logical_traits/requirements/explicit_instantiation.cc: New.
	* testsuite/20_util/logical_traits/requirements/typedefs.cc: Likewise.
	* testsuite/20_util/logical_traits/value.cc: Likewise.

	/testsuite
	* g++.dg/cpp0x/Wattributes1.C: Adjust.

From-SVN: r230258
 2015-11-12 15:56:31 +02:00
Jonathan Wakely
53dc6fb862 * include/experimental/bits/string_view.tcc: Fix doxygen @file. 
From-SVN: r230221
 2015-11-12 10:08:49 +00:00
Jonathan Wakely
f55e699d3d Loop in std::this_thread sleep functions 
PR libstdc++/60421
	* include/std/thread (this_thread::sleep_for): Retry on EINTR.
	(this_thread::sleep_until): Retry if time not reached.
	* src/c++11/thread.cc (__sleep_for): Retry on EINTR.
	* testsuite/30_threads/this_thread/60421.cc: Test interruption and
	non-steady clocks.

From-SVN: r230183
 2015-11-11 17:08:51 +00:00
Ville Voutilainen
269fa2a91b LWG 2510, make the default constructors of library tag types explicit. 
2015-11-10  Ville Voutilainen  <ville.voutilainen@gmail.com>

	LWG 2510, make the default constructors of library tag types
	explicit.
	* include/bits/mutex.h (defer_lock_t, try_lock_t,
	adopt_lock_t): Add an explicit default constructor.
	* include/bits/stl_pair.h (piecewise_construct_t): Likewise.
	* include/bits/uses_allocator.h (allocator_arg_t): Likewise.
	* libsupc++/new (nothrow_t): Likewise.
	* testsuite/17_intro/tag_type_explicit_ctor.cc: New.

From-SVN: r230175
 2015-11-11 16:47:19 +02:00
Jonathan Wakely
d4a9dffbaa Fix return type of heterogeneous find for sets 
PR libstdc++/68190
	* include/bits/stl_multiset.h (multiset::find): Fix return types.
	* include/bits/stl_set.h (set::find): Likewise.
	* testsuite/23_containers/map/operations/2.cc: Test find return types.
	* testsuite/23_containers/multimap/operations/2.cc: Likewise.
	* testsuite/23_containers/multiset/operations/2.cc: Likewise.
	* testsuite/23_containers/set/operations/2.cc: Likewise.

From-SVN: r230113
 2015-11-10 15:12:24 +00:00
Jonathan Wakely
fb9333352b * include/bits/functional_hash.h: Fix grammar in comment. 
From-SVN: r230097
 2015-11-10 11:12:33 +00:00
François Dumont
ec494945a9 2015-11-09 François Dumont <fdumont@gcc.gnu.org> 
* include/bits/stl_algo.h
	(partial_sort_copy): Instantiate std::iterator_traits only if concept
	checks.
	(lower_bound): Likewise.
	(upper_bound): Likewise.
	(equal_range): Likewise.
	(binary_search): Likewise.
	* include/bits/stl_heap.h (pop_heap): Likewise.

From-SVN: r230052
 2015-11-09 21:10:18 +00:00
Ville Voutilainen
f763219373 Make the default constructors of tuple and pair conditionally explicit. 
2015-11-03  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Make the default constructors of tuple and pair conditionally explicit.
	* include/std/type_traits (is_unsigned, __is_array_unknown_bounds,
	__is_default_constructible_atom, __is_default_constructible_safe,
	__is_direct_constructible_new_safe, __is_direct_constructible_ref_cast,
	__is_nt_default_constructible_impl, is_nothrow_default_constructible,
	is_nothrow_constructible, is_nothrow_assignable,
	is_trivially_constructible, is_trivially_copy_constructible,
	is_trivially_move_constructible, is_trivially_assignable,
	is_trivially_copy_assignable, is_trivially_move_assignable,
	is_trivially_destructible): Simplify.
	* include/std/type_traits (
	__do_is_implicitly_default_constructible_impl,
	__is_implicitly_default_constructible_impl,
	__is_implicitly_default_constructible_safe,
	__is_implicitly_default_constructible): New.
	* include/bits/stl_pair.h (pair::pair()): Use it.
	* include/std/tuple (tuple<_T1, _T2>::tuple): Use it.
	* include/std/tuple (_ImplicitlyDefaultConstructibleTuple): New.
	* include/std/tuple (tuple<_Types...>::tuple()): Use it.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust.
	* testsuite/20_util/is_implicitly_default_constructible/requirements/explicit_instantiation.cc: New.
	* testsuite/20_util/is_implicitly_default_constructible/requirements/typedefs.cc: Likewise.
	* testsuite/20_util/is_implicitly_default_constructible/value.cc: Likewise.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Likewise.
	* testsuite/20_util/pair/cons/explicit_construct.cc: Likewise.
	* testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.

From-SVN: r229699
 2015-11-03 10:41:40 +02:00
Jonathan Wakely
93e954005f Implement C++17 std::invoke and LWG DR 2219 
* include/std/functional (__invoke_impl): New overloads.
	(__invoke): Replace with a single function calling __invoke_impl.
	(invoke): Add C++17 std::invoke.
	(reference_wrapper::operator()): Qualify call to __invoke.
	(_Mem_fn_traits_base, _Mem_fn_traits): Remove unused typedefs.
	(_Mem_fn_base): Remove unused typedefs and implement call operator in
	terms of __invoke.
	* include/std/future (__future_base::_Async_state_commonV2): Do not
	pass reference_wrapper as object argument to call_once.
	* include/std/type_traits (result_of): Define nested __invoke_type.
	Handle reference_wrapper as per LWG 2219.
	* testsuite/20_util/bind/ref_neg.cc: Adjust dg-error directives.
	* testsuite/20_util/function_objects/mem_fn/55463.cc: Remove tests
	using member functions of reference_wrapper.

From-SVN: r229290
 2015-10-25 01:00:54 +01:00
Jonathan Wakely
6fbd598400 Return deferred future if thread cannot be run 
* include/std/future (async): Use deferred function on exception.
	* testsuite/30_threads/async/except.cc: New.

From-SVN: r229289
 2015-10-24 22:36:50 +01:00
Jonathan Wakely
f9badf7134 * include/std/type_traits (__cpp_lib_bool_constant): Define. 
From-SVN: r229152
 2015-10-21 22:20:25 +01:00
Nathan Froyd
141aa58b53 opt_random.h: Include pmmintrin.h instead of x86intrin.h, and only do so when __SSE3__ 
* config/cpu/i486/opt/bits/opt_random.h: Include pmmintrin.h instead
	of x86intrin.h, and only do so when __SSE3__
	* include/ext/random: Include emmintrin.h instead of x86intrin.h

From-SVN: r228786
 2015-10-13 20:55:44 +00:00
Jonathan Wakely
ea4554eaea Add include/experimental/bits dir 
From-SVN: r228645
 2015-10-09 12:11:54 +01:00
Ville Voutilainen
057ce49719 re PR c++/67844 (Cannot make tuple of class with template constructor) 
2015-10-05  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR 67844.
	* include/std/tuple (_TC::_NonNestedTuple): Eagerly reject
	conversions from tuple types same as the target tuple.
	* testsuite/20_util/tuple/67844.cc: New.
	* testsuite/20_util/tuple/cons/nested_tuple_construct.cc: Add
	a missing copyright header.

From-SVN: r228468
 2015-10-05 12:57:20 +03:00
Jonathan Wakely
783aa06e9b Use noexcept instead of _GLIBCXX_NOEXCEPT 
* include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
	(basic_string::front() const, basic_string::back() const): Use
	noexcept instead of _GLIBCXX_NOEXCEPT macro.
	(__versa_string::front, __versa_string::back): Likewise.

From-SVN: r228434
 2015-10-02 23:13:12 +01:00
Jonathan Wakely
7fcdbdd21d Allow Filesystem TS to compile without wchar_t 
* include/bits/locale_conv.h [!_GLIBCXX_USE_WCHAR_T]
	(__do_str_codecvt, __str_codecvt_in, __str_codecvt_out): Enable.
	* include/experimental/fs_path.h [!_GLIBCXX_USE_WCHAR_T]
	(path::wstring, path::generic_wstring): Disable.
	* src/filesystem/path.cc (path::_S_convert_loc)
	[!_GLIBCXX_USE_WCHAR_T]: Skip conversion.
	* testsuite/experimental/filesystem/path/assign/assign.cc: Check for
	wchar_t support.
	* testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
	* testsuite/experimental/filesystem/path/construct/range.cc: Likewise.

From-SVN: r228417
 2015-10-02 20:38:38 +01:00
Jonathan Wakely
f14decafae Save-and-restore errno more carefully in libstdc++ 
* doc/xml/manual/diagnostics.xml: Document use of errno.
	* doc/html/*: Regenerate.
	* config/locale/generic/c_locale.cc (_Save_errno): New helper.
	(__convert_to_v): Use _Save_errno.
	* include/ext/string_conversions.h (__stoa): Only restore errno when
	it isn't set to non-zero.

From-SVN: r228328
 2015-10-01 12:23:39 +01:00
Jonathan Wakely
6d60110654 Leave errno unchanged by successful std::stoi etc 
* include/ext/string_conversions.h (__stoa): Save and restore errno.
	* testsuite/21_strings/basic_string/numeric_conversions/char/errno.cc:
	New.

From-SVN: r228249
 2015-09-29 16:15:39 +01:00
Jonathan Wakely
ce535a9685 Reduce space and time overhead of std::thread 
PR libstdc++/65393
	* config/abi/pre/gnu.ver: Export new symbols.
	* include/std/thread (thread::_State, thread::_State_impl): New types.
	(thread::_M_start_thread): Add overload taking unique_ptr<_State>.
	(thread::_M_make_routine): Remove.
	(thread::_S_make_state): Add.
	(thread::_Impl_base, thread::_Impl, thread::_M_start_thread)
	[_GLIBCXX_THREAD_ABI_COMPAT] Only declare conditionally.
	* src/c++11/thread.cc (execute_native_thread_routine): Rename to
	execute_native_thread_routine_compat and re-define to use _State.
	(thread::_State::~_State()): Define.
	(thread::_M_make_thread): Define new overload.
	(thread::_M_make_thread) [_GLIBCXX_THREAD_ABI_COMPAT]: Only define old
	overloads conditionally.

From-SVN: r228242
 2015-09-29 13:54:05 +01:00
Jonathan Wakely
80400b0477 LWG 2135: terminate() in condition_variable::wait() 
* include/std/condition_variable (condition_variable::wait): Add
	noexcept.
	* src/c++11/condition_variable.cc (condition_variable::wait): Call
	std::terminate on error (DR 2135).

From-SVN: r228217
 2015-09-28 19:44:40 +01:00
Ville Voutilainen
5e2f2cd584 Avoid creating dangling references in case of nested tuples 
for tuple constructors that construct from other tuples.

2015-09-25  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Avoid creating dangling references in case of nested tuples
	for tuple constructors that construct from other tuples.
	* include/std/tuple (_TC::_NonNestedTuple): New.
	* include/std/tuple (tuple::_TNTC): New.
	* include/std/tuple (tuple(const tuple<_UElements...>&),
	tuple(tuple<_UElements...>&&): Use _TNTC.
	* testsuite/20_util/tuple/cons/nested_tuple_construct.cc: New.

From-SVN: r228134
 2015-09-25 19:41:45 +03:00
Jonathan Wakely
9bc5028273 Leave moved-from std::deque in a valid state 
PR libstdc++/67707
	* include/bits/stl_deque.h (_Deque_base::_M_move_impl): Initialize
	empty object.
	* testsuite/23_containers/deque/allocator/move.cc: Check moved-from
	deque.

From-SVN: r228090
 2015-09-24 16:46:24 +01:00
Jonathan Wakely
429ee11aa3 Fix semantics of Filesystem TS directory iterators 
[class.directory_iterator] p4 and [directory_iterator.members] p4
require that only the default constructor and ignored permission denied
errors can create the end iterator.

	* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Remove _GLIBCXX_
	prefix from HAVE_STRUCT_DIRENT_D_TYPE.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* include/experimental/fs_dir.h (operator==, operator==):
	Use owner_before instead of pointer equality.
	(directory_iterator(std::shared_ptr<_Dir>, error_code*)): Remove.
	* src/filesystem/dir.cc (ErrorCode): Remove.
	(_Dir::advance): Change ErrorCode parameter to error_code*, add
	directory_options parameter and check it on error.
	(opendir): Rename to open_dir to avoid clashing with macro. Change
	ErrorCode parameter to error_code*.
	(make_shared_dir): Remove.
	(native_readdir) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Don't set errno.
	(directory_iterator(std::shared_ptr<_Dir>, error_code*)): Remove.
	(directory_iterator(const path&, directory_options, error_code*)):
	Pass options to _Dir::advance and create non-end iterator on error.
	(recursive_directory_iterator(const path&, directory_options,
	error_code*)): Clear error_code on ignored error, create non-end
	iterator otherwise.
	(recursive_directory_iterator::increment): Pass _M_options to
	_Dir::advance.
	(recursive_directory_iterator::pop): Likewise.
	* testsuite/experimental/filesystem/iterators/directory_iterator.cc:
	New.
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: New.

From-SVN: r228042
 2015-09-23 12:26:45 +01:00
Jonathan Wakely
561cfdec25 Fix bootstrap error introduced in r227870 
PR libstdc++/67647
	* include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
	(basic_string::shrink_to_fit): Fix #endif placement.

From-SVN: r227966
 2015-09-21 12:44:08 +01:00
Tim Shen
236d76c4a9 re PR libstdc++/67361 (std::regex_error::what() should say something about the error_code) 
PR libstdc++/67361
	* include/bits/regex_error.h: Add __throw_regex_error that
	supports string.
	* include/bits/regex_automaton.h: Add more specific exception
	messages.
	* include/bits/regex_automaton.tcc: Likewise.
	* include/bits/regex_compiler.h: Likewise.
	* include/bits/regex_compiler.tcc: Likewise.
	* include/bits/regex_scanner.h: Likewise.
	* include/bits/regex_scanner.tcc: Likewise.

From-SVN: r227936
 2015-09-19 20:56:27 +00:00
Jonathan Wakely
7215aaedd6 Fix errors due to extra includes in extc++.h 
* include/precompiled/extc++.h: Fix bootstrap error due to
	unconditional inclusion of <ext/enc_filebuf.h>.
	* include/ext/random: Check for definition of UINT32_C.

From-SVN: r227902
 2015-09-18 12:21:05 +01:00
François Dumont
814e52ca21 2015-09-17 François Dumont <fdumont@gcc.gnu.org> 
* include/debug/formatter.h
	(_Error_formatter::_Parameter::_M_print_field): Deprecate.
	(_Error_formatter::_Parameter::_M_print_description): Likewise.
	(_Error_formatter::_M_format_word): Likewise.
	(_Error_formatter::_M_print_word): Likewise.
	(_Error_formatter::_M_print_string): Likewise.
	(_Error_formatter::_M_get_max_length): Likewise.
	(_Error_formatter::_M_max_length): Delete.
	(_Error_formatter::_M_indent): Likewise.
	(_Error_formatter::_M_column): Likewise.
	(_Error_formatter::_M_first_line): Likewise.
	(_Error_formatter::_M_wordwrap): Likewise.
	* src/c++11/debug.cc: Adapt.

From-SVN: r227885
 2015-09-17 19:23:26 +00:00
Jonathan Wakely
310055e7b4 Handle alignment in __atomic_is_lock_free 
gcc:

2015-09-17  Richard Henderson  <rth@redhat.com>

	PR libstdc++/65913
	* builtins.c (fold_builtin_atomic_always_lock_free): Handle fake
	pointers that encode the alignment of the object.

libstdc++-v3:

2015-09-17  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/65913
	* include/bits/atomic_base.h (__atomic_base<_TTp>::is_lock_free(),
	__atomic_base<_PTp*>::is_lock_free()): Call the built-in with the
	immediate pointer value, not a variable.
	* include/std/atomic (atomic<T>::is_lock_free()): Likewise.
	* testsuite/29_atomics/atomic/65913.cc: New.

From-SVN: r227878
 2015-09-17 16:46:04 +01:00
Jonathan Wakely
2eb57e545b Remove redundant conditional expressions in <system_error> 
* include/std/system_error (error_code::operator bool(),
	error_condition::operator bool()): Remove redundant conditional
	expression.

From-SVN: r227871
 2015-09-17 15:56:50 +01:00
Jonathan Wakely
99f04955ed Only do shrink_to_fit() when exceptions enabled 
* include/bits/allocator.h (__shrink_to_fit_aux<T, true>::_S_do_it):
	Do nothing if exceptions are disabled.
	* include/bits/basic_string.h (basic_string::shrink_to_fit): Likewise.

From-SVN: r227870
 2015-09-17 15:56:46 +01:00
Jonathan Wakely
f12ddb6249 Rationalise PCH headers and 17_intro/headers tests. 
PR libstdc++/64857
	* doc/xml/manual/using.xml: Improve aggregate header documentation.
	* doc/html/manual/*: Regenerate.
	* include/precompiled/extc++.h: Include <bits/stdc++.h> for C++11
	and later and include more extension headers.
	* testsuite/17_intro/headers/c++1998/all_attributes.cc: Remove
	redundant header.
	* testsuite/17_intro/headers/c++200x/: Rename to c++2011.
	* testsuite/17_intro/headers/c++2014/all_attributes.cc: Remove
	redundant headers.
	* testsuite/17_intro/headers/c++2014/all_no_exceptions.cc: New.
	* testsuite/17_intro/headers/c++2014/all_no_rtti.cc: New.
	* testsuite/17_intro/headers/c++2014/all_pedantic_errors.cc: New.
	* testsuite/17_intro/headers/c++2014/operator_names.cc: New.
	* testsuite/17_intro/headers/c++2014/stdc++.cc: New.
	* testsuite/17_intro/headers/c++2014/stdc++_multiple_inclusion.cc:
	New.

From-SVN: r227684
 2015-09-11 13:25:43 +01:00
Jonathan Wakely
5caff414f1 Implement N4258 noexcept for std::basic_string. 
PR libstdc++/58265
	* doc/xml/manual/intro.xml: Document LWG 2063 and 2064 resolutions.
	* doc/html/manual/bugs.html: Regenerate.
	* include/bits/basic_string.h (basic_string): Implement N4258. Add
	correct exception-specifications and propagate allocators correctly.
	* include/bits/basic_string.tcc (basic_string::swap): Propagate
	allocators correctly.
	* include/debug/string (__gnu_debug::basic_string): Add correct
	exceptions-specifications and allcoator-extended constructors.
	* testsuite/21_strings/basic_string/allocator/char/copy.cc: New.
	* testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
	New.
	* testsuite/21_strings/basic_string/allocator/char/minimal.cc: New.
	* testsuite/21_strings/basic_string/allocator/char/move.cc: New.
	* testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
	New.
	* testsuite/21_strings/basic_string/allocator/char/noexcept.cc: New.
	* testsuite/21_strings/basic_string/allocator/char/swap.cc: New.
	* testsuite/21_strings/basic_string/allocator/wchar_t/copy.cc: New.
	* testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
	New.
	* testsuite/21_strings/basic_string/allocator/wchar_t/minimal.cc: New.
	* testsuite/21_strings/basic_string/allocator/wchar_t/move.cc: New.
	* testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
	New.
	* testsuite/21_strings/basic_string/allocator/wchar_t/noexcept.cc: New.
	* testsuite/21_strings/basic_string/allocator/wchar_t/swap.cc: New.
	* testsuite/util/testsuite_allocator.h (tracker_allocator): Define
	defaulted assignment operators.

From-SVN: r227681
 2015-09-11 12:02:14 +01:00
Jonathan Wakely
997ed914e2 Allocator-extended constructors for container adaptors. 
PR libstdc++/65092
	* include/bits/stl_queue.h (queue, priority_queue): Add
	allocator-extended constructors.
	* include/bits/stl_stack.h (stack): Likewise.
	* testsuite/23_containers/priority_queue/requirements/
	uses_allocator.cc: Test allocator-extended constructors.
	* testsuite/23_containers/queue/requirements/uses_allocator.cc:
	Likewise.
	* testsuite/23_containers/stack/requirements/uses_allocator.cc:
	Likewise.

From-SVN: r227680
 2015-09-11 10:51:29 +01:00
Jonathan Wakely
2f1e8e7c47 Enable lightweight checks with _GLIBCXX_ASSERTIONS. 
* doc/xml/manual/using.xml (_GLIBCXX_ASSERTIONS): Document.
	* doc/html/manual/using_macros.html: Regenerate.
	* include/bits/c++config: Define _GLIBCXX_ASSERTIONS when
	_GLIBCXX_DEBUG is defined. Disable std::string extern templates when
	(_GLIBCXX_EXTERN_TEMPLATE, __glibcxx_assert): Depend on
	_GLIBCXX_ASSERTIONS instead of _GLIBCXX_DEBUG.
	* include/debug/debug.h [!_GLIBCXX_DEBUG]: Define
	__glibcxx_requires_non_empty_range and __glibcxx_requires_nonempty.
	* include/backward/auto_ptr.h (auto_ptr::operator*,
	auto_ptr::operator->): Replace _GLIBCXX_DEBUG_ASSERT with
	__glibcxx_assert.
	* include/bits/basic_string.h (basic_string::operator[],
	basic_string::front, basic_string::back, basic_string::pop_back):
	Likewise.
	* include/bits/random.h
	(uniform_int_distribution::param_type::param_type,
	uniform_real_distribution::param_type::param_type,
	normal_distribution::param_type::param_type,
	gamma_distribution::param_type::param_type,
	bernoulli_distribution::param_type::param_type,
	binomial_distribution::param_type::param_type,
	geometric_distribution::param_type::param_type,
	negative_binomial_distribution::param_type::param_type,
	poisson_distribution::param_type::param_type,
	exponential_distribution::param_type::param_type): Likewise.
	* include/bits/regex.h (match_results::operator[],
	match_results::prefix, match_results::suffix): Likewise.
	* include/bits/regex.tcc (format, regex_iterator::operator++):
	Likewise.
	* include/bits/regex_automaton.tcc (_StateSeq::_M_clone): Likewise.
	* include/bits/regex_compiler.tcc (_Compiler::_Compiler,
	_Compiler::_M_insert_character_class_matcher): Likewise.
	* include/bits/regex_executor.tcc (_Executor::_M_dfs): Likewise.
	* include/bits/regex_scanner.tcc (_Scanner::_M_advance,
	_Scanner::_M_scan_normal): Likewise.
	* include/bits/shared_ptr_base.h (__shared_ptr::_M_reset,
	__shared_ptr::operator*): Likewise.
	* include/bits/stl_iterator_base_funcs.h (__advance): Likewise.
	* include/bits/unique_ptr.h (unique_ptr::operator*,
	unique_ptr::operator[]): Likewise.
	* include/experimental/fs_path.h (path::path(string_type, _Type),
	path::iterator::operator++, path::iterator::operator--,
	path::iterator::operator*): Likewise.
	* include/experimental/string_view (basic_string_view::operator[],
	basic_string_view::front, basic_string_view::back,
	basic_string_view::remove_prefix): Likewise.
	* include/ext/random (beta_distribution::param_type::param_type,
	normal_mv_distribution::param_type::param_type,
	rice_distribution::param_type::param_type,
	pareto_distribution::param_type::param_type,
	k_distribution::param_type::param_type,
	arcsine_distribution::param_type::param_type,
	hoyt_distribution::param_type::param_type,
	triangular_distribution::param_type::param_type,
	von_mises_distribution::param_type::param_type,
	hypergeometric_distribution::param_type::param_type,
	logistic_distribution::param_type::param_type): Likewise.
	* include/ext/vstring.h (__versa_string::operator[]): Likewise.
	* include/std/complex (polar): Likewise.
	* include/std/mutex [!_GTHREAD_USE_MUTEX_TIMEDLOCK]
	(timed_mutex::~timed_mutex, timed_mutex::unlock,
	(recursive_timed_mutex::~timed_mutex, recursive_timed_mutex::unlock):
	Likewise.
	* include/std/shared_mutex [!PTHREAD_RWLOCK_INITIALIZER]
	(__shared_mutex_pthread::__shared_mutex_pthread,
	__shared_mutex_pthread::~__shared_mutex_pthread): Likewise.
	(__shared_mutex_pthread::lock, __shared_mutex_pthread::try_lock,
	__shared_mutex_pthread::unlock, __shared_mutex_pthread::lock_shared,
	__shared_mutex_pthread::try_lock_shared): Likewise.
	(__shared_mutex_cv::~__shared_mutex_cv, __shared_mutex_cv::unlock,
	__shared_mutex_cv::unlock_shared): Likewise.
	(shared_timed_mutex::try_lock_until,
	shared_timed_mutex::try_lock_shared_until): Likewise.
	* include/std/valarray (valarray::valarray(const _Tp*, size_t),
	valarray::operator=, valarray::sum, valarray::min, valarray::max,
	_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT, _DEFINE_BINARY_OPERATOR):
	Likewise.

From-SVN: r227595
 2015-09-09 18:12:47 +01:00
Jonathan Wakely
93023f35f7 Relax Debug Mode assertions on operator-> for smart pointers. 
* include/bits/shared_ptr_base.h (__shared_ptr::operator->): Change
	_GLIBCXX_DEBUG_ASSERT to _GLIBCXX_DEBUG_PEDASSERT.
	* include/bits/unique_ptr.h (unique_ptr::operator->): Likewise.
	* testsuite/20_util/shared_ptr/observers/get.cc: Test operator-> on
	empty shared_ptr.

From-SVN: r227524
 2015-09-07 18:17:23 +01:00
Jonathan Wakely
12dee005f7 Avoid #ifdef _GLIBCXX_DEBUG in regex_compiler.h 
* include/bits/regex_compiler.h (_BracketMatcher::_M_is_ready):
	Initialize using NSDMI and set using _GLIBCXX_DEBUG_ONLY.

From-SVN: r227521
 2015-09-07 15:45:14 +01:00
Jonathan Wakely
c79c59f024 fix darwin bootstrap errors due to <mutex>. 
PR libstdc++/65704
	* include/std/mutex (recursive_timed_mutex): Fix uses of _Can_lock.

From-SVN: r227495
 2015-09-04 17:09:05 +01:00
Jonathan Wakely
f16081c2c6 Add portable timed_mutex and recursive_timed_mutex. 
PR libstdc++/65704
	* include/Makefile.am: Add <bits/mutex.h>.
	* include/Makefile.in: Regenerate.
	* include/bits/mutex.h (__mutex_base, mutex, lock_guard, unique_lock):
	New file containing types moved from <mutex>.
	* include/std/condition_variable: Include <bits/mutex.h> instead of
	<mutex>.
	* include/std/mutex (__mutex_base, mutex, lock_guard, unique_lock):
	Move to <bits/mutex.h>.
	*  testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Remove
	dg-require-gthreads-timed.
	*  testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/dest/
	destructor_locked.cc: Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc: Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc: Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
	Likewise.
	*  testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/dest/destructor_locked.cc:
	Likewise.
	*  testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/requirements/standard_layout.cc:
	Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
	*  testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
	*  testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
	*  testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
	*  testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
	*  testsuite/30_threads/unique_lock/locking/4.cc: Likewise.

From-SVN: r227490
 2015-09-04 12:23:44 +01:00
Edward Smith-Rowland
20b5f0b3e6 Add C++11 header <cuchar>. 
2015-09-04  Edward Smith-Rowland  <3dw4rd@verizon.net>
	    Jonathan Wakely  <jwakely@redhat.com>

	* acinclude.m4 (GLIBCXX_CHECK_UCHAR_H): Define.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Check for <uchar.h>.
	* include/Makefile.am: Add new headers.
	* include/Makefile.in: Regenerate.
	* include/c/cuchar: New.
	* include/c_compatibility/uchar.h: New.
	* include/c_global/cuchar: New.
	* include/c_std/cuchar: New.
	* include/precompiled/stdc++.h: Include <cuchar>.
	* testsuite/17_intro/headers/c++200x/stdc++.cc: Include <uchar.h>.
	* testsuite/17_intro/headers/c++200x/stdc++_multiple_inclusion.cc:
	Include <uchar.h>.

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

From-SVN: r227488
 2015-09-04 12:13:34 +01:00
Jonathan Wakely
57003677cf Make all <cxxx> headers include <bits/c++config.h> 
PR libstdc++/65473
	* include/c/cassert: Include <bits/c++config.h>.
	* include/c/cerrno: Likewise.
	* include/c/cfloat: Likewise.
	* include/c/ciso646: Likewise.
	* include/c/climits: Likewise.
	* include/c_global/cassert: Likewise.
	* include/c_global/cerrno: Likewise.
	* include/c_global/cfloat: Likewise.
	* include/c_global/ciso646: Likewise.
	* include/c_global/climits: Likewise.
	* include/c_std/cassert: Likewise.
	* include/c_std/cerrno: Likewise.
	* include/c_std/cfloat: Likewise.
	* include/c_std/ciso646: Likewise.
	* include/c_std/climits: Likewise.

From-SVN: r227484
 2015-09-04 10:16:29 +01:00
Jonathan Wakely
c8c030589b Clean up libstdc++ includes slightly. 
* include/bits/shared_ptr_base.h: Add required header.
	* include/std/condition_variable: Likewise.
	* include/std/mutex: Remove unused header.
	* include/std/shared_mutex: Remove redundant header.
	(shared_mutex::shared_mutex()): Replace throw with __throw_bad_alloc.

From-SVN: r227469
 2015-09-03 21:40:03 +01:00
Jonathan Wakely
eb8bf686b7 Make std::experimental::not_fn SFINAE-friendly. 
PR libstdc++/66998
	* include/experimental/functional (_Not_fn): Add exception
	specifications and non-deduced return types.
	(not_fn): Add exception specification and wrap pointer-to-member.
	* testsuite/experimental/functional/not_fn.cc: Test in SFINAE context
	and test pointer-to-member.

From-SVN: r227448
 2015-09-03 15:36:03 +01:00
Jonathan Wakely
500dc9a6c3 Add concept checks to std::next and std::prev. 
PR libstdc++/62039
	* include/bits/stl_iterator_base_funcs.h (next, prev): Add concept
	checks.
	* testsuite/24_iterators/operations/prev_neg.cc: New.
	* testsuite/24_iterators/operations/next_neg.cc: New.

From-SVN: r227447
 2015-09-03 15:35:43 +01:00
Dmitry Vyukov
710465235b libstdc++: fix data races in basic_string implementation 
* include/bits/basic_string.h: Fix data races on _M_refcount.

From-SVN: r227403
 2015-09-02 07:35:20 -07:00
Sebastian Huber
d8e19f3114 re PR libstdc++/67408 (<mutex> assumes that __gthread_mutex_t and__gthread_recursive_mutex_t are the same types) 
2015-09-02  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	PR libstdc++/67408
	* include/std/mutex (__timed_mutex_impl::_M_try_lock_until): Use
	_Derived::_M_timedlock().
	(timed_mutex): Add _M_timedlock() and make base class a friend.
	(recursive_timed_mutex): Likewise.

From-SVN: r227400
 2015-09-02 11:51:14 +01:00
Tim Shen
cae4063cea re PR libstdc++/67362 (std::regex("((.)", std::regex_constants::basic) throws) 
PR libstdc++/67362
	* include/bits/regex_scanner.tcc (_Scanner<>::_M_scan_normal):
	Always returns ordinary char token if the char isn't
	considered a special char.
	* testsuite/28_regex/regression.cc: New test file for collecting
	regression testcases from, typically, bugzilla.

From-SVN: r227289
 2015-08-28 02:35:21 +00:00
Jonathan Wakely
e994d230f1 re PR libstdc++/67374 (std::cbegin can't call valarray range access functions) 
PR libstdc++/67374
	* include/bits/range_access.h (valarray, begin, end): Declare.
	* testsuite/26_numerics/valarray/range_access.cc: Test const
	overloads.
	* testsuite/26_numerics/valarray/range_access2.cc: New.

From-SVN: r227274
 2015-08-27 20:05:19 +01:00
Edward Smith-Rowland
33df19a736 Ensure std::generate_canonical doesn't return 1. 
2015-08-26  Edward Smith-Rowland  <3dw4rd@verizon.net>
	    Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/64351
	PR libstdc++/63176
	* include/bits/random.tcc (generate_canonical): Loop until we get a
	result less than one.
	* testsuite/26_numerics/random/uniform_real_distribution/operators/
	64351.cc: New.

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

From-SVN: r227233
 2015-08-26 22:27:09 +01:00
Jonathan Wakely
6bc41b268e Only set std::enable_shared_from_this member once. 
* include/bits/shared_ptr.h (__enable_shared_from_this_helper): Use
	nullptr.
	* include/bits/shared_ptr_base.h (weak_ptr::_M_assign): Don't assign
	if ownership is already shared with a shared_ptr object.
	(__enable_shared_from_this_helper): Use nullptr.
	* testsuite/20_util/enable_shared_from_this/members/const.cc: New.
	* testsuite/20_util/enable_shared_from_this/members/reinit.cc: New.
	* testsuite/20_util/enable_shared_from_this/requirements/
	explicit_instantiation.cc: Instantiate with const and incomplete types.

From-SVN: r227232
 2015-08-26 22:27:00 +01:00
Jonathan Wakely
66c182be12 try_emplace and insert_or_assign for Debug Mode. 
* include/debug/map.h (map::try_emplace, map::insert_or_assign):
	Define.
	* include/debug/unordered_map (unordered_map::try_emplace,
	unordered_map::insert_or_assign): Define.

From-SVN: r227229
 2015-08-26 21:58:14 +01:00
François Dumont
630a286ab6 re PR libstdc++/60519 (Debug mode should check comparators for irreflexivity) 
2015-08-24  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/60519
	* include/debug/formatter.h (_Debug_msg_id::__msg_irreflexive_ordering):
	New enum entry.
	* include/debug/functions.h (_Irreflexive_checker): New.
	(__is_irreflexive, __is_irreflexive_pred): New.
	* include/debug/macros.h
	(__glibcxx_check_irreflexive, __glibcxx_check_irreflexive_pred): New
	macros.
	(__glibcxx_check_irreflexive2, __glibcxx_check_irreflexive_pred2): New
	macros limited to post-C++11 mode.
	* include/debug/debug.h
	(__glibcxx_requires_irreflexive, __glibcxx_requires_irreflexive_pred):
	New macros, use latter.
	(__glibcxx_requires_irreflexive2, __glibcxx_requires_irreflexive_pred2):
	Likewise.
	* include/bits/stl_algo.h
	(partial_sort_copy): Add irreflexive debug check.
	(partial_sort_copy): Likewise.
	(lower_bound): Likewise.
	(upper_bound): Likewise.
	(equal_range): Likewise.
	(binary_search): Likewise.
	(inplace_merge): Likewise.
	(includes): Likewise.
	(next_permutation): Likewise.
	(prev_permutation): Likewise.
	(is_sorted_until): Likewise.
	(minmax_element): Likewise.
	(partial_sort): Likewise.
	(nth_element): Likewise.
	(sort): Likewise.
	(merge): Likewise.
	(stable_sort): Likewise.
	(set_union): Likewise.
	(set_intersection): Likewise.
	(set_difference): Likewise.
	(set_symmetric_difference): Likewise.
	(min_element): Likewise.
	(max_element): Likewise.
	* include/bits/stl_algobase.h
	(lower_bound): Likewise.
	(lexicographical_compare): Likewise.
	* include/bits/stl_heap.h
	(push_heap): Likewise.
	(pop_heap): Likewise.
	(make_heap): Likewise.
	(sort_heap): Likewise.
	(is_heap_until): Likewise.
	* testsuite/25_algorithms/lexicographical_compare/debug/
	irreflexive_neg.cc: New.
	* testsuite/25_algorithms/lower_bound/debug/irreflexive.cc: New.
	* testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
	New.

From-SVN: r227189
 2015-08-25 20:27:03 +00:00
François Dumont
25c65938c8 Revert my change to commit with PR reference again. 
From-SVN: r227187
 2015-08-25 20:22:47 +00:00
François Dumont
41e4e5edce formatter.h (_Debug_msg_id::__msg_irreflexive_ordering): New enum entry. 
2015-08-24  François Dumont  <fdumont@gcc.gnu.org>

	* include/debug/formatter.h (_Debug_msg_id::__msg_irreflexive_ordering):
	New enum entry.
	* include/debug/functions.h (_Irreflexive_checker): New.
	(__is_irreflexive, __is_irreflexive_pred): New.
	* include/debug/macros.h
	(__glibcxx_check_irreflexive, __glibcxx_check_irreflexive_pred): New
	macros.
	(__glibcxx_check_irreflexive2, __glibcxx_check_irreflexive_pred2): New
	macros limited to post-C++11 mode.
	* include/debug/debug.h
	(__glibcxx_requires_irreflexive, __glibcxx_requires_irreflexive_pred):
	New macros, use latter.
	(__glibcxx_requires_irreflexive2, __glibcxx_requires_irreflexive_pred2):
	Likewise.
	* include/bits/stl_algo.h
	(partial_sort_copy): Add irreflexive debug check.
	(partial_sort_copy): Likewise.
	(lower_bound): Likewise.
	(upper_bound): Likewise.
	(equal_range): Likewise.
	(binary_search): Likewise.
	(inplace_merge): Likewise.
	(includes): Likewise.
	(next_permutation): Likewise.
	(prev_permutation): Likewise.
	(is_sorted_until): Likewise.
	(minmax_element): Likewise.
	(partial_sort): Likewise.
	(nth_element): Likewise.
	(sort): Likewise.
	(merge): Likewise.
	(stable_sort): Likewise.
	(set_union): Likewise.
	(set_intersection): Likewise.
	(set_difference): Likewise.
	(set_symmetric_difference): Likewise.
	(min_element): Likewise.
	(max_element): Likewise.
	* include/bits/stl_algobase.h
	(lower_bound): Likewise.
	(lexicographical_compare): Likewise.
	* include/bits/stl_heap.h
	(push_heap): Likewise.
	(pop_heap): Likewise.
	(make_heap): Likewise.
	(sort_heap): Likewise.
	(is_heap_until): Likewise.
	* testsuite/25_algorithms/lexicographical_compare/debug/
	irreflexive_neg.cc: New.
	* testsuite/25_algorithms/lower_bound/debug/irreflexive.cc: New.
	* testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
	New.

From-SVN: r227147
 2015-08-24 20:21:57 +00:00
Jonathan Wakely
4a88769c96 re PR libstdc++/65049 (Undefined behaviour with std::char_traits<char>) 
PR libstdc++/65049
	* include/bits/char_traits.h (char_traits<char>::compare,
	char_traits<char>::find, char_traits<char>::move,
	char_traits<char>::copy, char_traits<char>::assign): Check for zero
	length.
	(char_traits<wchar_t>::compare, char_traits<wchar_t>::find,
	char_traits<wchar_t>::move, char_traits<wchar_t>::copy,
	char_traits<wchar_t>::assign): Likewise.
	(char_traits<char16_t>::move, char_traits<char16_t>::copy): Likewise.
	(char_traits<char32_t>::move, char_traits<char32_t>::copy): Likewise.
	* include/ext/pod_char_traits.h (char_traits<character<>>::move,
	char_traits<character<>>::copy): Likewise.
	* testsuite/21_strings/char_traits/requirements/char/65049.cc: New.
	* testsuite/21_strings/char_traits/requirements/char16_t/65049.cc:
	New.
	* testsuite/21_strings/char_traits/requirements/char32_t/65049.cc:
	New.
	* testsuite/21_strings/char_traits/requirements/wchar_t/65049.cc:
	New.

From-SVN: r227127
 2015-08-24 14:43:54 +01:00
Jonathan Wakely
3af7efb7d9 re PR libstdc++/67309 (Error compiling with -std=c++11 and -fsingle-precision-constant) 
PR libstdc++/67309
	* include/bits/random.tcc
	(poisson_distribution::param_type::_M_initialize): Use max<double>.
	(binomial_distribution::param_type::_M_initialize): Likewise.
	* testsuite/17_intro/headers/c++200x/67309.cc: New.
	* testsuite/17_intro/headers/c++200x/all_attributes.cc: Remove
	redundant header.

From-SVN: r227126
 2015-08-24 14:43:36 +01:00
Jonathan Wakely
89f0694859 any (__any_caster): Define at namespace scope so the name is visible to name lookup. 
* include/experimental/any (__any_caster): Define at namespace scope
	so the name is visible to name lookup.
	* testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.

From-SVN: r227042
 2015-08-20 21:19:58 +01:00
Paolo Carlini
dce573c43f cmath: Fix typo in comment. 
2015-08-19  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/c_global/cmath: Fix typo in comment.

From-SVN: r227007
 2015-08-19 13:20:29 +00:00
Paolo Carlini
157177af99 cmath: Revert fix for libstdc++/58625... 
2015-08-19  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/c_global/cmath: Revert fix for libstdc++/58625, no
	longer necessary (__builtin_signbit is now type-generic).

From-SVN: r227006
 2015-08-19 13:17:51 +00:00
Jonathan Wakely
e92e7c15e1 * include/bits/ptr_traits.h: Include <bits/move.h> for addressof. 
From-SVN: r226985
 2015-08-18 19:04:42 +01:00
Jonathan Wakely
4c2b10d6a4 re PR libstdc++/67066 (libstdc++-v3/src/filesystem/dir.cc fails to compile with --enable-concept-checks) 
PR libstdc++/67066
	* doc/xml/manual/configure.xml (manual.intro.setup.configure): Add
	caveats for --enable-concept-checks. Improve link text.
	* doc/xml/manual/diagnostics.xml (std.diagnostics.concept_checking):
	Clarify caveats.
	* doc/html/*: Regenerate.
	* include/bits/stl_deque.h (deque): Only use concept checks in C++03.
	* include/bits/stl_stack.h (stack): Likewise.
	* include/bits/stl_vector.h (vector): Likewise.

From-SVN: r226984
 2015-08-18 19:04:32 +01:00
Jonathan Wakely
2548a4d6ba any (any::operator=(const any&)): Move check for self-assignment. 
* include/experimental/any (any::operator=(const any&)): Move check
	for self-assignment.
	(any::operator=(any&&)): Add check for self-assignment.
	(any::operator=(_ValueType&&)): Constrain template argument.
	(any::swap(any&)): Add check for self-swap.
	* testsuite/experimental/any/assign/self.cc: Test move and swap.
	* testsuite/experimental/any/misc/any_cast_neg.cc: Update dg-error.

From-SVN: r226894
 2015-08-14 12:51:18 +01:00
Jonathan Wakely
357c9f7edc array: Add feature-test macro. 
* include/experimental/array: Add feature-test macro.
	* testsuite/experimental/array/neg.cc: Update dg-error.

From-SVN: r226893
 2015-08-14 12:51:05 +01:00
Ville Voutilainen
9638eccd55 Implement std::experimental::fundamentals_v2::make_array and std::experimental::fundamentals_v2::to_array. 
2015-08-13  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement std::experimental::fundamentals_v2::make_array and
	std::experimental::fundamentals_v2::to_array.
	* include/Makefile.am: Add array.
	* include/Makefile.in: Add array.
	* include/experimental/array: New.
	* testsuite/experimental/array/make_array.cc: Likewise.
	* testsuite/experimental/array/neg.cc: Likewise.
	* doc/html/manual/status.html: Mark make_array as Y.
	* doc/xml/manual/status_cxx2017.xml: Likewise.

From-SVN: r226865
 2015-08-13 17:55:46 +03:00
Jonathan Wakely
db23e4c46f alloc_traits.h: Add feature-test macro. 
* include/bits/alloc_traits.h: Add feature-test macro.
	* include/bits/allocator.h: Likewise.
	* include/bits/range_access.h: Likewise.
	* include/bits/stl_map.h: Likewise.
	* include/bits/unordered_map.h: Likewise.

From-SVN: r226864
 2015-08-13 14:57:41 +01:00
Eelis van der Weegen
4c80e54478 shared_mutex (shared_mutex::unlock()): Fix typo. 
2015-08-13  Eelis van der Weegen  <eelis@eelis.net>

	* include/std/shared_mutex (shared_mutex::unlock()): Fix typo.

From-SVN: r226862
 2015-08-13 14:57:28 +01:00
Ville Voutilainen
b95170d380 Implement N4279, Improved insertion interface for unique-key maps. 
2015-08-09  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement N4279, Improved insertion interface for unique-key maps.
	* include/bits/stl_map.h (try_emplace, insert_or_assign): New.
	* include/bits/stl_tree.h (_M_get_insert_unique_pos,
	_M_get_insert_equal_pos, _M_get_insert_hint_unique_pos,
	_M_get_insert_hint_equal_pos): Make public.
	* include/bits/unordered_map.h (try_emplace, insert_or_assign): New.
	* testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
	Likewise.
	* testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
	* testsuite/23_containers/unordered_map/modifiers/insert_or_assign.cc:
	Likewise.
	* testsuite/23_containers/unordered_map/modifiers/try_emplace.cc:
	Likewise.

From-SVN: r226743
 2015-08-09 01:57:13 +03:00
Ville Voutilainen
f334456903 Implement N4089 Safe conversions in unique_ptr<T[]> (LWG 2118) and N4366 LWG 2228... 
2015-08-08  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement N4089 Safe conversions in unique_ptr<T[]> (LWG 2118)
	and N4366 LWG 2228: Missing SFINAE rule in unique_ptr
	templated assignment
	* include/bits/unique_ptr.h
	(__remove_cv, __is_derived_Tp): Remove.
	(default_delete::default_delete(const default_delete<_Up[]>)):
	Constrain with array convertibility.
	(default_delete::operator(_Up*)): Turn into a template,
	constrain with array convertibility.
	(__safe_conversion_up): New, single object version.
	(unique_ptr(unique_ptr<_Up, _Ep>&&)): Constrain with deleter
	convertibility.
	(unique_ptr::operator=(unique_ptr<_Up, _Ep>&&)): Likewise, and add
	is_assignable as a constraint.
	(__safe_conversion_up): Array version, renamed from __safe_conversion,
	updated to implement N4089.
	(__safe_conversion_raw): New.
	(unique_ptr(_Up)): Turn into a template, constrain with array
	convertibility.
	(unique_ptr(_Up,
        typename conditional<is_reference<deleter_type>::value,
        deleter_type, const deleter_type&>::type)): Likewise.
	(unique_ptr(_Up, typename
 	remove_reference<deleter_type>::type&&)): Likewise.
	(unique_ptr(unique_ptr<_Up, _Ep>&&)): Likewise.
	(operator=(unique_ptr<_Up, _Ep>&&)): Likewise, and add
	is_assignable as a constraint (array version).
	(reset(_Up)): Turn into a template, constrain with array
	convertibility.
	(reset(nullptr_t)): New.
	* testsuite/20_util/default_delete/48631_neg.cc: Adjust.
	* testsuite/20_util/unique_ptr/assign/48635.cc: Likewise.
	* testsuite/20_util/unique_ptr/assign/48635_neg.cc: Likewise.
	* testsuite/20_util/unique_ptr/assign/cv_qual.cc: Likewise.
	* testsuite/20_util/unique_ptr/cons/cv_qual.cc: Likewise.
	* testsuite/20_util/unique_ptr/dr2228.cc: New.
	* testsuite/20_util/unique_ptr/modifiers/cv_qual.cc: Adjust.

From-SVN: r226733
 2015-08-08 14:07:34 +03:00
Jonathan Wakely
93411db8c7 re PR libstdc++/67078 (FAIL: 24_iterators/container_access.cc (test for excess errors) on aarch64-none-elf) 
PR libstdc++/67078
	* include/bits/range_access.h (size, empty, data): Fix _N bad name.

From-SVN: r226515
 2015-08-03 16:56:17 +01:00
Tim Shen
81b7ff079a regex_automaton.h (_State_base, _State<>): Remove _TraitsT dependency from _State<>... 
* include/bits/regex_automaton.h (_State_base, _State<>):
	Remove _TraitsT dependency from _State<>; Make matcher member
	into the union to reduce struct size.
	* include/bits/regex_automaton.tcc (_State_base<>::_M_print,
	_State_base<>::_M_dot, _StateSeq<>::_M_clone):
	Adjust to fit the interface. Factor out common parts in
	_M_clone as _State<>::_M_has_alt.
	* include/bits/regex_executor.h (_Executer<>::_M_lookahead):
	Only pass state id instead of the whole state.
	* include/bits/regex_executor.tcc (_Executer<>::_M_dfs,
	_Executer<>::_M_lookahead): Adjust to fit the interface.
	* include/std/regex: Include <ext/aligned_buffer.h>

From-SVN: r226395
 2015-07-30 10:35:45 +00:00
Jonathan Wakely
2e3f48dc43 any (any::operator=(const any&)): Check for self-assignment. 
* include/experimental/any (any::operator=(const any&)): Check for
	self-assignment.
	* testsuite/experimental/any/assign/self.cc: New.
	* testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.

From-SVN: r226393
 2015-07-30 11:00:39 +01:00
Ville Voutilainen
a460d06d16 range_access.h: Change class to typename in every template. 
2015-07-29  Ville Voutilainen  <ville.voutilainen@gmail.com>

	* include/bits/range_access.h: Change class to typename in every
	template.
	(size, empty, data): New functions from N4280.
	* testsuite/24_iterators/container_access.cc: New.

From-SVN: r226348
 2015-07-29 13:41:32 +01:00
Ville Voutilainen
1fa9ba224e re PR libstdc++/60970 (Support std::hash with enum types (LWG 2148)) 
2015-07-29  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/60970
	* include/bits/functional_hash.h (__hash_enum): New.
	(hash): Derive from __hash_enum.
	* testsuite/20_util/hash/60970.cc: New.

From-SVN: r226347
 2015-07-29 13:41:23 +01:00
Tim Shen
f9ce3c1639 re PR libstdc++/67015 ("^[a-z0-9][a-z0-9-]*$", std::regex::extended is miscompiled) 
PR libstdc++/67015
	* include/bits/regex_compiler.h (_Compiler<>::_M_expression_term,
	_BracketMatcher<>::_M_add_collating_element): Change signature
	to make checking the and of bracket expression easier.
	* include/bits/regex_compiler.tcc (_Compiler<>::_M_expression_term):
	Treat '-' as a valid literal if it's at the end of bracket expression.
	* testsuite/28_regex/algorithms/regex_match/cstring_bracket_01.cc:
	New testcases.

From-SVN: r226336
 2015-07-29 03:45:35 +00:00
Jonathan Wakely
fa0ed2b062 * include/bits/atomic_futex.h [_GLIBCXX_HAVE_LINUX_FUTEX] 
(_M_load_and_test_until): Whitespace.
	(_M_load_and_test): Value-initialize the unused durations.
	(_M_load_when_equal): Add missing return value.

From-SVN: r226174
 2015-07-24 17:30:04 +01:00
Michael Haubenwallner
74b7ec8c45 libstdc++-v3/fragment.am (AM_CPPFLAGS): Add CPPFLAGS 
2015-07-24  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>

	* fragment.am (AM_CPPFLAGS): Add CPPFLAGS.
	* Makefile.in: Regenerate.
	* doc/Makefile.in: Regenerate.
	* include/Makefile.in: Regenerate.
	* libsupc++/Makefile.in: Regenerate.
	* po/Makefile.in: Regenerate.
	* python/Makefile.in: Regenerate.
	* src/Makefile.in: Regenerate.
	* src/c++11/Makefile.in: Regenerate.
	* src/c++98/Makefile.in: Regenerate.
	* src/filesystem/Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

From-SVN: r226138
 2015-07-24 07:05:19 +00:00
DJ Delorie
8161e0c343 functional_hash.h: Add specializations for __intN types. 
* include/bits/functional_hash.h: Add specializations for __intN
types.

* include/ext/pb_ds/detail/thin_heap_/thin_heap_.hpp (__gnu_pbds):
Guard against values that might exceed size_t's precision.

From-SVN: r226117
 2015-07-23 13:57:34 -04:00
Jason Merrill
3a353ff584 * include/bits/c++config: Fix abi_tag in special modes. 
From-SVN: r226022
 2015-07-20 18:39:54 -04:00
François Dumont
5bc1c07c4a stl_algobase.h (__miter_base): Move... 
2015-07-16  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_algobase.h (__miter_base): Move...
	* include/bits/cpp_type_traits.h: ...here.
	* include/debug/functions.h (__foreign_iterator_aux): Use latter.
	* testsuite/23_containers/vector/debug/insert7_neg.cc: New.

From-SVN: r225902
 2015-07-16 19:17:26 +00:00
Jonathan Wakely
c5d9ec5670 c++config (_GLIBCXX_NOEXCEPT_IF): Define. 
* include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Define.
	* include/bits/forward_list.h (forward_list::swap): Make noexcept
	unconditional.
	* include/bits/hashtable.h (_Hashtable::swap): Do not use
	_S_nothrow_swap().
	* include/bits/stl_bvector.h (vector<bool>::swap): Make noexcept
	unconditional.
	* include/bits/stl_deque.h (deque::swap): Likewise.
	(swap(deque&, deque&)): Use _GLIBCXX_NOEXCEPT_IF.
	* include/bits/stl_list.h (list::swap): Make noexcept unconditional.
	(swap(list&, list&)): Use _GLIBCXX_NOEXCEPT_IF.
	* include/bits/stl_map.h (map::swap, swap(map&, map&)): Use
	_GLIBCXX_NOEXCEPT_IF, do not depend on _S_nothrow_swap.
	* include/bits/stl_multimap.h (multimap::swap,
	swap(multimap&, multimap&)): Likewise.
	* include/bits/stl_multiset.h (multiset::swap,
	swap(multiset&, multiset&)): Likewise.
	* include/bits/stl_set.h (set::swap, swap(set&, set&)): Likewise.
	* include/bits/stl_tree.h (_Rb_tree::swap,
	swap(_Rb_tree&, _Rb_tree&)): Likewise.
	* include/bits/stl_vector.h (vector::swap): Make noexcept
	unconditional.
	(swap(vector&, vector&)): Use _GLIBCXX_NOEXCEPT_IF.
	* include/debug/deque (deque::swap, swap): Likewise.
	* include/debug/forward_list (swap): Add noexcept.
	* include/debug/list (list::swap, swap): Use _GLIBCXX_NOEXCEPT_IF.
	* include/debug/map.h (map::swap, swap): Likewise.
	* include/debug/multimap.h (multimap::swap, swap): Likewise.
	* include/debug/multiset.h (multiset::Swap, swap): Likewise.
	* include/debug/set.h (set::swap, swap): Likewise.
	* include/debug/unordered_map (unordered_map::swap,
	unordered_multimap::swap, swap): Likewise.
	* include/debug/unordered_set (unordered_set::swap,
	unordered_multiset::swap, swap): Likewise.
	* include/debug/vector (vector::swap, swap): Likewise.
	* include/ext/alloc_traits.h (__alloc_traits::_S_nothrow_swap()):
	Remove.
	* include/profile/deque (deque::swap, swap): Use _GLIBCXX_NOEXCEPT_IF.
	* include/profile/forward_list (swap): Add noexcept.
	* include/profile/list (list::swap, swap) : Use _GLIBCXX_NOEXCEPT_IF.
	* include/profile/map.h (map::swap, swap): Likewise.
	* include/profile/multimap.h (multimap::swap, swap): Likewise.
	* include/profile/multiset.h (multiset::swap, swap): Likewise.
	* include/profile/set.h (set::swap, swap): Likewise.
	* include/profile/unordered_map (swap): Likewise.
	* include/profile/unordered_set (swap): Likewise.
	* include/profile/vector (vector::swap, swap): Likewise. Remove
	overloads for swapping rvalues.
	* testsuite/23_containers/deque/allocator/noexcept.cc: Update tests
	for noexcept on swap.
	* testsuite/23_containers/forward_list/allocator/noexcept.cc:
	Likewise.
	* testsuite/23_containers/list/allocator/noexcept.cc: Likewise.
	* testsuite/23_containers/map/allocator/noexcept.cc: Likewise.
	* testsuite/23_containers/multimap/allocator/noexcept.cc: Likewise.
	* testsuite/23_containers/multiset/allocator/noexcept.cc: Likewise.
	* testsuite/23_containers/set/allocator/noexcept.cc: Likewise.
	* testsuite/23_containers/unordered_map/allocator/noexcept.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/allocator/noexcept.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/allocator/noexcept.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/allocator/noexcept.cc:
	Likewise.
	* testsuite/23_containers/vector/allocator/noexcept.cc: Likewise.
	* testsuite/23_containers/vector/bool/allocator/noexcept.cc: Likewise.
	* testsuite/ext/profile/mutex_extensions_neg.cc: Adjust dg-error line
	number.

From-SVN: r225744
 2015-07-13 18:15:48 +01:00
François Dumont
291e91daa7 hashtable.h (_Hashtable<>::__rehash_policy): Do not rehash container. 
2015-07-05  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable.h (_Hashtable<>::__rehash_policy): Do not
	rehash container.
	* testsuite/23_containers/unordered_set/max_load_factor/robustness.cc:
	Adapt.

From-SVN: r225436
 2015-07-05 21:16:07 +00:00
Ville Voutilainen
e37e6813d5 Implement std::experimental::fundamentals_v2::propagate_const. 
2015-07-03  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement std::experimental::fundamentals_v2::propagate_const.
	* include/Makefile.am: Add propagate_const.
	* include/Makefile.in: Regenerate.
	* include/experimental/propagate_const: New.
	* testsuite/experimental/propagate_const/assignment/copy.cc: Likewise.
	* testsuite/experimental/propagate_const/assignment/move.cc: Likewise.
	* testsuite/experimental/propagate_const/assignment/move_neg.cc:
	Likewise.
	* testsuite/experimental/propagate_const/cons/copy.cc: Likewise.
	* testsuite/experimental/propagate_const/cons/default.cc: Likewise.
	* testsuite/experimental/propagate_const/cons/move.cc: Likewise.
	* testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
	* testsuite/experimental/propagate_const/hash/1.cc: Likewise.
	* testsuite/experimental/propagate_const/observers/1.cc: Likewise.
	* testsuite/experimental/propagate_const/relops/1.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements1.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements2.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements3.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements4.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements5.cc: Likewise.
	* testsuite/experimental/propagate_const/swap/1.cc: Likewise.
	* testsuite/experimental/propagate_const/typedefs.cc: Likewise.

From-SVN: r225379
 2015-07-03 15:08:37 +01:00
Jonathan Wakely
7946683835 alloc_traits.h (__alloctr_rebind): Remove. 
* include/bits/alloc_traits.h (__alloctr_rebind): Remove.
	(__allocator_traits_base): New base class.
	(__alloc_rebind): Reimplement in terms of detection idiom.
	(allocator_traits): Derive from __allocator_traits_base. Reimplement
	nested types in terms of detection idiom. Simplify SFINAE constraints
	on overloaded static member functions.
	* include/bits/hashtable.h (_Hashtable): Use __alloc_rebind instead
	of __alloctr_rebind.
	* testsuite/20_util/scoped_allocator/propagation.cc: Define rebind.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc: Adjust
	dg-error line number.

From-SVN: r225244
 2015-07-01 13:24:09 +01:00
Jonathan Wakely
4f44c5556f ptr_traits.h (__ptrtr_elt_type, [...]): Remove 
* include/bits/ptr_traits.h (__ptrtr_elt_type, __ptrtr_diff_type,
	__ptrtr_rebind, __ptrtr_not_void): Remove
	(__get_first_arg, __replace_first_arg, __make_not_void): Define new
	transformations.
	(__detected_or_): New detection trait.
	(pointer_traits): Use new traits.
	* testsuite/20_util/pointer_traits/pointer_to.cc: Add rebind member.
	* testsuite/20_util/pointer_traits/requirements/
	explicit_instantiation.cc: Use valid arguments to pointer_traits.

From-SVN: r225243
 2015-07-01 13:24:03 +01:00
Jonathan Wakely
6af6bef4ac Implement N4502, the C++ Detection Idiom. 
* doc/xml/manual/status_cxx2017.xml: Update status table.
	* include/experimental/type_traits (void_t, is_detected,
	is_detected_v, detected_t, detected_or, detected_or_t,
	is_detected_exact, is_detected_exact_v, is_detected_convertible,
	is_detected_convertible_v): Define.
	* include/std/type_traits (__detector, __detected_or, __detected_or_t,
	__detected_or_t_): Define.
	* testsuite/experimental/type_traits/detection.cc: New.

From-SVN: r225242
 2015-07-01 13:23:54 +01:00
Jonathan Wakely
6f86467975 * include/bits/stl_pair.h: Replace class keyword with typename. 
From-SVN: r225190
 2015-06-30 14:35:36 +01:00
Ville Voutilainen
bf7818bfb0 Implement N4387, "Improving pair and tuple", and LWG 2367. 
2015-06-30  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement N4387, "Improving pair and tuple", and LWG 2367.

	* include/bits/stl_pair.h (_ConstructiblePair,
	_ImplicitlyConvertiblePair, _MoveConstructiblePair,
	_ImplicitlyMoveConvertiblePair): New.
	(pair()): Constrain it.
	(pair(const _T1&, const _T2&), pair(const pair<_U1, _U2>&),
	pair(_U1&&, const _T2&), pair(const _T1&, _U2&&), pair(_U1&&, _U2&&),
	pair(pair<_U1, _U2>&&)): Make conditionally explicit.
	* include/std/tuple (_TC, tuple::_TC2, tuple::TCC, tuple::TMC): New.
	(tuple()): Constrain it.
	(tuple(const _UElements&...), tuple(_UElements&&...),
	tuple(const tuple<_UElements...>&), tuple(tuple<_UElements...>&&),
	tuple(allocator_arg_t, const _Alloc&, const _UElements&...),
	tuple(allocator_arg_t, const _Alloc&, _UElements&&...),
	tuple(allocator_arg_t, const _Alloc&, const tuple<_UElements...>&),
	tuple(allocator_arg_t, const _Alloc&, tuple<_UElements...>&&),
	tuple(const pair<_U1, _U2>&), tuple(pair<_U1, _U2>&&),
	tuple(allocator_arg_t, const _Alloc&, const pair<_U1, _U2>&),
	tuple(allocator_arg_t, const _Alloc&, pair<_U1, _U2>&&)): Make
	conditionally explicit.
	* include/experimental/functional (__boyer_moore_array_base): Name
	array type explicitly instead of using an empty braced-init-list.
	* testsuite/20_util/pair/cons/explicit_construct.cc: New.
	* testsuite/20_util/pair/piecewise.cc: Use piecewise_construct.
	* testsuite/20_util/pair/requirements/dr2367.cc: New.
	* testsuite/20_util/tuple/cons/explicit_construct.cc: New.
	* testsuite/20_util/tuple/requirements/dr2367.cc: New.

From-SVN: r225189
 2015-06-30 14:26:49 +01:00
François Dumont
24167c42e6 stl_iterator_base_types.h (_Iter_base): Limit definition to pre-C++11 mode. 
2015-06-29  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_iterator_base_types.h (_Iter_base): Limit definition
	to pre-C++11 mode.
	* include/debug/functions.h
	(__gnu_debug::__valid_range, __gnu_debug::__base): Move...
	* include/debug/safe_iterator.h
	(__gnu_debug::_Sequence_traits): New.
	(__gnu_debug::__get_distance_from_begin): New.
	(__gnu_debug::__get_distance_to_end): New.
	(__gnu_debug::_Safe_iterator<>::_M_valid_range): Expose iterator range
	distance information. Add optional check_dereferenceable parameter,
	default true.
	(__gnu_debug::_Distance_precision, __gnu_debug::__get_distance): Move
	default definition...
	(__gnu_debug::__get_distance): New overload for _Safe_iterator.
	(__gnu_debug::__unsafe): Likewise.
	* include/debug/helper_functions.h: ...here. New.
	(__gnu_debug::__unsafe): New helper function to remove safe iterator
	layer.
	* include/debug/stl_iterator.h: New. Include latter.
	* include/bits/stl_iterator.h: Include latter in debug mode.
	* include/debug/stl_iterator.tcc: Adapt.
	* include/debug/safe_local_iterator.h (__gnu_debug::__get_distance): Add
	overload for _Safe_local_iterator.
	(__gnu_debug::__unsafe): Likewise.
	* include/debug/safe_local_iterator.tcc: Adapt.
	* include/debug/macros.h (__glibcxx_check_valid_range2): New.
	(__glibcxx_check_insert_range): Add _Dist parameter.
	(__glibcxx_check_insert_range_after): Likewise.
	(__glibcxx_check_string, __glibcxx_check_string_len): Implement using
	_GLIBCXX_DEBUG_PEDASSERT.
	* include/debug/deque (deque<>::assign): Remove iterator debug layer
	when possible.
	(deque<>::insert): Likewise.
	* include/debug/forward_list (__glibcxx_check_valid_fl_range): New.
	(forward_list<>::splice_after): Use latter.
	(forward_list<>::assign): Remove iterator debug layer when possible.
	(forward_list<>::insert_after): Likewise.
	(__gnu_debug::_Sequence_traits<>): Partial specialization.
	* include/debug/list (list<>::assign): Remove iterator debug layer when
	possible.
	(list<>::insert): Likewise.
	[__gnu_debug::_Sequence_traits<>]: Partial specialization pre C++11 ABI.
	* include/debug/map.h (map<>::insert): Remove iterator debug layer when
	possible.
	* include/debug/multimap.h (multimap<>::insert): Likewise.
	* include/debug/set.h (set<>::insert): Likewise.
	* include/debug/multiset.h (multiset<>::insert): Likewise.
	* include/debug/string (basic_string<>::append, basic_string<>::assign,
	basic_string<>::insert, basic_string<>::replace): Likewise.
	* include/debug/unordered_map
	(unordered_map<>::insert, unordered_multimap<>::insert): Likewise.
	* include/debug/unordered_set
	(unordered_set<>::insert, unordered_multiset<>insert): Likewise.
	* include/debug/vector
	(vector<>::assign, vector<>::insert): Likewise.
	* include/Makefile.am: Add new debug headers.
	* include/Makefile.in: Regenerate.

From-SVN: r225143
 2015-06-29 20:17:56 +00:00
Jonathan Wakely
a2b5fdcbdb Implement N4258 (Cleaning-up noexcept in the Library rev 3) 
* doc/xml/manual/intro.xml: Document LWG 2108 status.
	* include/bits/alloc_traits.h (allocator_traits::is_always_equal):
	Define.
	* include/bits/allocator.h (allocator::is_always_equal): Likewise.
	* include/bits/forward_list.h
	(forward_list::operator=(forward_list&&)): Use __bool_constant.
	(forward_list::swap(forward_list&)): Add noexcept.
	* include/bits/hashtable.h (_Hashtable::operator=(_Hashtable&&)):
	Likewise.
	(_Hashtable::swap(_Hashtable&)): Likewise.
	* include/bits/stl_deque.h (_Deque_base::_Deque_base(_Deque_base&&)):
	Use _Alloc_traits::is_always_equal.
	(deque::operator=(deque&&)): Likewise.
	(deque::_M_move_assign1(deque&&, false_type)): Add comment and use
	__bool_constant.
	(swap(deque&, deque&)): Add noexcept.
	* include/bits/stl_list.h (list::operator=(list&&)): Use
	__bool_constant.
	(swap(list&, list&)): Add noexcept.
	* include/bits/stl_map.h (map::swap(map&)): Include _Compare in
	noexcept.
	(swap(map&, map&)): Add noexcept.
	* include/bits/stl_multimap.h (multimap::swap(multimap&)): Include
	_Compare in noexcept.
	(swap(multimap&, multimap&)): Add noexcept.
	* include/bits/stl_multiset.h (multiset::swap(multiset&)): Include
	_Compare in noexcept.
	(swap(multiset&, multiset&)): Add noexcept.
	* include/bits/stl_set.h (set::swap(set&)): Include _Compare in
	noexcept.
	(swap(set&, set&)): Add noexcept.
	* include/bits/stl_tree.h (_Rb_tree::operator=(_Rb_tree&&)): Include
	_Compare in noexcept.
	(_Rb_tree::_Rb_tree(_Rb_tree&&, _Node_alloc_type&&)): Use
	is_always_equal.
	* include/bits/stl_vector.h (vector::operator=(vector&&)): Use
	__bool_constant.
	(swap(vector&, vector&)): Add noexcept.
	* include/bits/unordered_map.h (swap(unordered_map&, unordered_map&),
	swap(unordered_multimap& unordered_multimap&)): Add noexcept.
	* include/bits/unordered_set.h (swap(unordered_set&, unordered_set&),
	swap(unordered_multiset& unordered_multiset&)): Add noexcept.
	* include/ext/alloc_traits.h (__allocator_always_compares_equal):
	Remove.
	(__alloc_traits::_S_always_equal()): Use is_always_equal instead of
	__allocator_always_compares_equal.
	* include/ext/array_allocator.h (array_allocator::is_always_equal):
	Define.
	* include/std/scoped_allocator (__any_of, __propagate_on_copy,
	__propagate_on_move, __propagate_on_swap): Remove.
	(scoped_allocator_adaptor::propagate_on_container_copy_assignment,
	scoped_allocator_adaptor::propagate_on_container_move_assignment,
	scoped_allocator_adaptor::propagate_on_container_swap): Define with
	__and_ instead of __any_of.
	(scoped_allocator_adaptor::is_always_equal): Define.
	* testsuite/20_util/allocator_traits/members/is_always_equal.cc: New.
	* testsuite/20_util/scoped_allocator/propagation.cc: Make traits
	derive from true_type or false_type.
	* testsuite/23_containers/deque/allocator/move_assign-2.cc: Add
	is_always_equal member and remove the trait specialization.
	* testsuite/23_containers/vector/52591.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/assign_neg.cc:
	Adjust dg-error line number.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_2_neg.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
	Likewise.
	* testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
	Likewise.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_2_neg.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
	Likewise.

From-SVN: r225081
 2015-06-26 21:10:24 +01:00
Jonathan Wakely
504a5fe6fd stl_bvector.h (vector<bool>::vector()): Add noexcept. 
* include/bits/stl_bvector.h (vector<bool>::vector()): Add noexcept.
	* include/bits/stl_map.h (map::map()): Likewise.
	* include/bits/stl_multimap.h (multimap::multimap()): Likewise.
	* include/bits/stl_multiset.h (multiset::multiset()): Likewise.
	* include/bits/stl_set.h (set::set()): Likewise.

From-SVN: r225024
 2015-06-26 18:26:38 +01:00
Jonathan Wakely
67b0404e12 * include/bits/locale_conv.h (__do_str_codecvt): Set __count. 
From-SVN: r224985
 2015-06-25 19:23:41 +01:00
François Dumont
e25d2617ac basic_string.h (basic_string<>::front()): Add !empty debug check. 
2015-06-24  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/basic_string.h (basic_string<>::front()): Add !empty
	debug check.
	(basic_string<>::back()): Likewise.
	(basic_string<>::pop_back()): Likewise.

From-SVN: r224919
 2015-06-24 20:12:05 +00:00
François Dumont
7d17de7f73 array: Include <array>. 
2015-06-23  François Dumont  <fdumont@gcc.gnu.org>

	* include/debug/array: Include <array>. Add version namespace when
	specializing tuple interface to array. Add specialization for
	__is_tuple_like_impl.
	* include/profile/array: Likewise.
	* include/std/array: Include <utility>. Add specialization for
	__is_tuple_like_impl.
	* include/std/tuple
	(__is_tuple_like_impl<>, __is_tuple_like_impl<pair>): Move...
	* include/std/utility: ... here. Include <type_traits>.
	* testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adjust
	dg-error line number.
	* testsuite/23_containers/array/tuple_interface/
	tuple_element_debug_neg.cc: Likewise.

From-SVN: r224857
 2015-06-23 19:51:02 +00:00
Jonathan Wakely
e51d877098 list (__gnu_debug::list): Use allocator-aware _Safe_container base. 
* include/debug/list (__gnu_debug::list): Use allocator-aware
	_Safe_container base.
	* include/debug/string (__gnu_debug::basic_string): Use
	allocator-aware _Safe_container base for cxx11 ABI.

From-SVN: r224738
 2015-06-22 16:09:27 +01:00
Jonathan Wakely
9eb659e003 locale_conv.h (__do_str_codecvt): Handle empty range. 
* include/bits/locale_conv.h (__do_str_codecvt): Handle empty range.
	(wstring_convert): Move into __cxx11 namespace.
	(wbuffer_convert(streambuf*, _Codecvt*, state_type)): Fix exception
	message.

From-SVN: r224737
 2015-06-22 16:09:22 +01:00
Jonathan Wakely
4db6c2f585 re PR libstdc++/64657 (Support iterators with overloaded operator-comma) 
PR libstdc++/64657
	* include/bits/stl_uninitialized.h
	(__uninitialized_copy::__uninit_copy): Cast expression to void.

From-SVN: r224736
 2015-06-22 16:09:14 +01:00
Jonathan Wakely
cc7f3d0eee C++11 allocator support for std::list. 
PR libstdc++/55409
	* include/bits/list.tcc (_List_base::_M_clear()): Use allocator traits.
	(list::list(const list&)): Use allocator propagation trait. Use
	_M_assign_dispatch to copy elements.
	* include/bits/stl_list.h (_List_node): Use __aligned_membuf in C++11.
	(_List_node::_M_valptr()): Add accessor for stored value.
	(_List_iterator, _List_const_iterator, _List_base): Use _M_valptr().
	(_List_base, list): Use allocator traits.
	(_List_base::_M_get_Tp_allocator, _List_base::get_allocator): Remove.
	(_List_base::_M_move_nodes): New function.
	(_List_base(_List_base&&)): Use _M_move_nodes.
	(_List_base(_List_base&&, _Node_alloc_type&&)): New constructor.
	(list::_M_create_node, list::_M_erase, list::max_size): Use allocator
	traits.
	(list(size_type)): Add allocator parameter.
	(list(const list&)): Use allocator propagation trait.
	(list(const list&, const allocator_type&)): New constructor.
	(list(list&&, const allocator_type&)): Likewise.
	(list::operator=(list&&), list::swap(list&)): Use allocator
	propagation traits.
	(list::_M_move_assign): New functions.
	* include/debug/list: Add allocator-extended constructors.
	* include/profile/list: Likewise.
	* python/libstdcxx/v6/printers.py (get_value_from_list_node): New
	function to get value from _List_node.
	(StdListPrinter): Use get_value_from_list_node.
	* testsuite/23_containers/list/allocator/copy.cc: New.
	* testsuite/23_containers/list/allocator/copy_assign.cc: New.
	* testsuite/23_containers/list/allocator/minimal.cc: New.
	* testsuite/23_containers/list/allocator/move.cc: New.
	* testsuite/23_containers/list/allocator/move_assign.cc: New.
	* testsuite/23_containers/list/allocator/noexcept.cc: New.
	* testsuite/23_containers/list/allocator/swap.cc: New.
	* testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
	Adjust dg-prune-output line number.
	* testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
	Likewise.

From-SVN: r224580
 2015-06-17 21:36:42 +01:00
Jonathan Wakely
21bdef94b1 forward_list.h (_Fwd_list_base(const _Node_alloc_type&)): Change parameter to rvalue-reference. 
* include/bits/forward_list.h
	(_Fwd_list_base(const _Node_alloc_type&)): Change parameter to
	rvalue-reference.
	(_Fwd_list_base(_Fwd_list_base&&, const _Node_alloc_type&)): Likewise.
	(forward_list(const _Alloc&)): Split default constructor out to
	separate function.
	(forward_list(forward_list&&, const _Alloc&)): Move elements if base
	class didn't do so.
	(forward_list::_M_move_assign(forward_list&&, true_type)): Replace
	swap call with two assignments.
	* include/bits/forward_list.tcc
	(_Fwd_list_base(_Fwd_list_base&&, const _Node_alloc_type&)): Don't
	move elements when allocators are not equal.
	* include/debug/forward_list (forward_list(const allocator_type&)):
	Split default constructor out to separate function.
	* include/profile/forward_list (forward_list(const _Alloc&)):
	Likewise.

From-SVN: r224566
 2015-06-17 18:45:45 +01:00
Jonathan Wakely
9649e5b62e forward_list.h (forward_list::_M_get_Node_allocator): Remove unnecessary uses of operator& and static_cast. 
* include/bits/forward_list.h (forward_list::_M_get_Node_allocator):
	Remove unnecessary uses of operator& and static_cast.
	* include/bits/forward_list.tcc
	(forward_list::operator=(const forward_list&)): Use __addressof
	instead of operator&.
	(forward_list::remove(const _Tp&), forward_list::remove(_Pred)):
	Remove invalid static_casts.
	* include/debug/forward_list: Use __addressof instead of operator&.
	* testsuite/23_containers/forward_list/modifiers/addressof.cc: New.

From-SVN: r224553
 2015-06-17 12:33:31 +01:00
Jonathan Wakely
c92334d4c5 alloc_traits.h (__alloc_traits::_S_nothrow_swap()): Use __is_nothrow_swappable. 
* include/ext/alloc_traits.h (__alloc_traits::_S_nothrow_swap()): Use
	__is_nothrow_swappable.

From-SVN: r224552
 2015-06-17 11:51:46 +01:00
Jonathan Wakely
91b142ffc3 * include/bits/allocated_ptr.h (__allocated_ptr): Use __addressof. 
From-SVN: r224540
 2015-06-16 23:33:06 +01:00
Jonathan Wakely
200fcd3398 list.tcc (list::operator=(const list&), [...]): Use __addressof instead of operator&. 
* include/bits/list.tcc (list::operator=(const list&), list::merge):
	Use __addressof instead of operator&.
	(list::sort): Use array-to-pointer decay instead of operator&.
	* include/bits/stl_list.h (list::splice): Use __addressof instead of
	operator&.
	* include/debug/formatter.h (_Error_formatter::_Parameter::_Parameter):
	Likewise.
	* include/debug/functions.h (__check_singular): Likewise.
	* include/debug/list (list::splice, list::merge): Likewise.
	* testsuite/23_containers/list/modifiers/addressof.cc: New.

From-SVN: r224539
 2015-06-16 22:04:53 +01:00
Jonathan Wakely
7388ee9e9b * include/precompiled/stdc++.h: Include <codecvt> and <shared_mutex>. 
From-SVN: r224425
 2015-06-12 13:27:06 +01:00
Ramana Radhakrishnan
57e6d9be77 Use atomics in guard.cc. 
This provides proper definitions for _GLIBCXX_READ_MEM_BARRIER and
_GLIBCXX_WRITE_MEM_BARRIER, rewrites the guards in terms of proper
atomic extensions and removes internal uses of
_GLIBCXX_READ_MEM_BARRIER and _GLIBCXX_WRITE_MEM_BARRIER and replaces
them with equivalent atomics.

2015-06-12  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/66200
	PR c++/66192
	* * config/cpu/generic/atomic_word.h (_GLIBCXX_READ_MEM_BARRIER): Define
        (_GLIBCXX_WRITE_MEM_BARRIER): Likewise
        * include/bits/shared_ptr_base.h: Use ACQ_REL barrier.
        * include/ext/atomicity.h: Likewise.
        * include/tr1/shared_ptr.h: Likewise.
        * libsupc++/guard.cc (__test_and_acquire): Rewrite with atomics.
        Update comment.
        (__set_and_release): Likewise.
        * testsuite/20_util/shared_ptr/cons/43820_neg.cc (test01): Adjust for
	line numbers.
        * testsuite/20_util/shared_ptr/cons/void_neg.cc: Likewise.
        * testsuite/tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc:
	Likewise.

From-SVN: r224411
 2015-06-12 09:49:41 +00:00
Jonathan Wakely
7672ab25db tuple (__is_tuple_like_impl): Disambiguate array in debug and profile modes. 
* include/std/tuple (__is_tuple_like_impl): Disambiguate array in
	debug and profile modes.
	* testsuite/25_algorithms/headers/algorithm/synopsis.cc: Adjust tests
	for swap in C++11 and later.

From-SVN: r224397
 2015-06-12 00:22:19 +01:00
Jonathan Wakely
c00f4f5fb3 re PR libstdc++/66441 (wstring_convert not working correctly) 
PR libstdc++/66441
	* testsuite/22_locale/conversions/string/66441.cc: New.
	* include/bits/locale_conv.h (__do_str_codecvt): Reserve enough space
	in the output string for BOM and complete result.

From-SVN: r224222
 2015-06-08 14:03:45 +01:00
François Dumont
d7b35f22be stl_tree.h (_Rb_tree<>::__is_transparent<>): Move to outer scope and rename to ... 
2015-06-07  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_tree.h (_Rb_tree<>::__is_transparent<>): Move to
	outer scope and rename to ...
	(std::__hash_is_transparent<>): ... this.
	* include/debug/stl_map.h (map::find<>,
	map::lower_bound<>, map::upper_bound<>, map::equal_range<>): New
	member function templates to perform heterogeneous lookup.
	* include/debug/stl_multimap.h (multimap::find<>,
	multimap::lower_bound<>, multimap::upper_bound<>,
	multimap::equal_range<>): Likewise.
	* include/debug/stl_multiset.h (multiset::find<>,
	multiset::lower_bound<>, multiset::upper_bound<>,
	multiset::equal_range<>): Likewise.
	* include/debug/stl_set.h (set::find<>,
	set::lower_bound<>, set::upper_bound<>, set::equal_range<>): Likewise.
	* include/profile/stl_map.h (map::find<>, map::count<>,
	map::lower_bound<>, map::upper_bound<>, map::equal_range<>): Likewise.
	* include/profile/stl_multimap.h (multimap::find<>, multimap::count<>,
	multimap::lower_bound<>, multimap::upper_bound<>,
	multimap::equal_range<>): Likewise.
	* include/profile/stl_multiset.h (multiset::find<>, multiset::count<>,
	multiset::lower_bound<>, multiset::upper_bound<>,
	multiset::equal_range<>): Likewise.
	* include/profile/stl_set.h (set::find<>, set::count<>,
	set::lower_bound<>, set::upper_bound<>, set::equal_range<>): Likewise.
	* testsuite/23_containers/map/operations/1.cc: Check const variants.
	* testsuite/23_containers/multimap/operations/1.cc: Likewise.
	* testsuite/23_containers/multiset/operations/1.cc: Likewise.
	* testsuite/23_containers/set/operations/1.cc: Likewise.

From-SVN: r224200
 2015-06-07 20:45:57 +00:00