gcc/libstdc++-v3/ChangeLog

2016-08-02  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/19_diagnostics/error_code/operators/bool_neg.cc: Move
	dg-error to relevant line.
	* testsuite/19_diagnostics/error_condition/operators/bool_neg.cc:
	Likewise.
	* testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.

	* scripts/testsuite_flags.in: Add -fno-show-column to cxxflags.

	* testsuite/18_support/bad_exception/23591_thread-1.c: Skip test if
	options are present that aren't valid for C.
	* testsuite/abi/header_cxxabi.c: Likewise.

	* testsuite/tr1/5_numerical_facilities/special_functions/16_hermite/
	check_value.cc: Do not add special functions to namespace std in TR1
	test.

	* testsuite/ext/special_functions/conf_hyperg/check_nan.cc: Only
	run for C++11 and later.
	* testsuite/ext/special_functions/conf_hyperg/check_value.cc:
	Likewise.
	* testsuite/ext/special_functions/conf_hyperg/compile.cc: Likewise.
	* testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
	* testsuite/ext/special_functions/hyperg/check_value.cc: Likewise.
	* testsuite/ext/special_functions/hyperg/compile.cc: Likewise.
	* testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
	Likewise.
	* testsuite/special_functions/01_assoc_laguerre/check_value.cc:
	Likewise.
	* testsuite/special_functions/01_assoc_laguerre/compile.cc: Likewise.
	* testsuite/special_functions/01_assoc_laguerre/compile_2.cc:
	Likewise.
	* testsuite/special_functions/02_assoc_legendre/check_nan.cc:
	Likewise.
	* testsuite/special_functions/02_assoc_legendre/check_value.cc:
	Likewise.
	* testsuite/special_functions/02_assoc_legendre/compile.cc: Likewise.
	* testsuite/special_functions/02_assoc_legendre/compile_2.cc:
	* testsuite/special_functions/03_beta/check_nan.cc: Likewise.
	* testsuite/special_functions/03_beta/check_value.cc: Likewise.
	* testsuite/special_functions/03_beta/compile.cc: Likewise.
	* testsuite/special_functions/03_beta/compile_2.cc: Likewise.
	* testsuite/special_functions/04_comp_ellint_1/check_nan.cc: Likewise.
	* testsuite/special_functions/04_comp_ellint_1/check_value.cc:
	Likewise.
	* testsuite/special_functions/04_comp_ellint_1/compile.cc: Likewise.
	* testsuite/special_functions/04_comp_ellint_1/compile_2.cc: Likewise.
	* testsuite/special_functions/05_comp_ellint_2/check_nan.cc: Likewise.
	* testsuite/special_functions/05_comp_ellint_2/check_value.cc:
	Likewise.
	* testsuite/special_functions/05_comp_ellint_2/compile.cc: Likewise.
	* testsuite/special_functions/05_comp_ellint_2/compile_2.cc: Likewise.
	* testsuite/special_functions/06_comp_ellint_3/check_nan.cc: Likewise.
	* testsuite/special_functions/06_comp_ellint_3/check_value.cc:
	Likewise.
	* testsuite/special_functions/06_comp_ellint_3/compile.cc: Likewise.
	* testsuite/special_functions/06_comp_ellint_3/compile_2.cc: Likewise.
	* testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
	* testsuite/special_functions/07_cyl_bessel_i/check_value.cc:
	Likewise.
	* testsuite/special_functions/07_cyl_bessel_i/compile.cc: Likewise.
	* testsuite/special_functions/07_cyl_bessel_i/compile_2.cc: Likewise.
	* testsuite/special_functions/07_cyl_bessel_i/pr56216.cc: Likewise.
	* testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
	* testsuite/special_functions/08_cyl_bessel_j/check_value.cc:
	Likewise.
	* testsuite/special_functions/08_cyl_bessel_j/compile.cc: Likewise.
	* testsuite/special_functions/08_cyl_bessel_j/compile_2.cc: Likewise.
	* testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
	* testsuite/special_functions/09_cyl_bessel_k/check_value.cc:
	Likewise.
	* testsuite/special_functions/09_cyl_bessel_k/compile.cc: Likewise.
	* testsuite/special_functions/09_cyl_bessel_k/compile_2.cc: Likewise.
	* testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
	* testsuite/special_functions/10_cyl_neumann/check_value.cc: Likewise.
	* testsuite/special_functions/10_cyl_neumann/compile.cc: Likewise.
	* testsuite/special_functions/10_cyl_neumann/compile_2.cc: Likewise.
	* testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
	* testsuite/special_functions/11_ellint_1/check_value.cc: Likewise.
	* testsuite/special_functions/11_ellint_1/compile.cc: Likewise.
	* testsuite/special_functions/11_ellint_1/compile_2.cc: Likewise.
	* testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
	* testsuite/special_functions/12_ellint_2/check_value.cc: Likewise.
	* testsuite/special_functions/12_ellint_2/compile.cc: Likewise.
	* testsuite/special_functions/12_ellint_2/compile_2.cc: Likewise.
	* testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
	* testsuite/special_functions/13_ellint_3/check_value.cc: Likewise.
	* testsuite/special_functions/13_ellint_3/compile.cc: Likewise.
	* testsuite/special_functions/13_ellint_3/compile_2.cc: Likewise.
	* testsuite/special_functions/14_expint/check_nan.cc: Likewise.
	* testsuite/special_functions/14_expint/check_value.cc: Likewise.
	* testsuite/special_functions/14_expint/compile.cc: Likewise.
	* testsuite/special_functions/14_expint/compile_2.cc: Likewise.
	* testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
	* testsuite/special_functions/15_hermite/check_value.cc: Likewise.
	* testsuite/special_functions/15_hermite/compile.cc: Likewise.
	* testsuite/special_functions/15_hermite/compile_2.cc: Likewise.
	* testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
	* testsuite/special_functions/16_laguerre/check_value.cc: Likewise.
	* testsuite/special_functions/16_laguerre/compile.cc: Likewise.
	* testsuite/special_functions/16_laguerre/compile_2.cc: Likewise.
	* testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
	* testsuite/special_functions/17_legendre/check_value.cc: Likewise.
	* testsuite/special_functions/17_legendre/compile.cc: Likewise.
	* testsuite/special_functions/17_legendre/compile_2.cc: Likewise.
	* testsuite/special_functions/18_riemann_zeta/check_nan.cc: Likewise.
	* testsuite/special_functions/18_riemann_zeta/check_value.cc:
	Likewise.
	* testsuite/special_functions/18_riemann_zeta/compile.cc: Likewise.
	* testsuite/special_functions/18_riemann_zeta/compile_2.cc: Likewise.
	* testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
	* testsuite/special_functions/19_sph_bessel/check_value.cc: Likewise.
	* testsuite/special_functions/19_sph_bessel/compile.cc: Likewise.
	* testsuite/special_functions/19_sph_bessel/compile_2.cc: Likewise.
	* testsuite/special_functions/20_sph_legendre/check_nan.cc: Likewise.
	* testsuite/special_functions/20_sph_legendre/check_value.cc:
	Likewise.
	* testsuite/special_functions/20_sph_legendre/compile.cc: Likewise.
	* testsuite/special_functions/20_sph_legendre/compile_2.cc: Likewise.
	* testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
	* testsuite/special_functions/21_sph_neumann/check_value.cc: Likewise.
	* testsuite/special_functions/21_sph_neumann/compile.cc: Likewise.
	* testsuite/special_functions/21_sph_neumann/compile_2.cc: Likewise.

	* testsuite/tr1/5_numerical_facilities/special_functions/
	08_cyl_bessel_i/check_value.cc: Use __attribute__((unused)) instead
	of [[gnu::unused]].
	* testsuite/tr1/5_numerical_facilities/special_functions/
	09_cyl_bessel_j/check_value.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	10_cyl_bessel_k/check_value.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	11_cyl_neumann/check_value.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	21_sph_bessel/check_value.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	23_sph_neumann/check_value.cc: Likewise.

2016-08-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/abi/post/solaris2.10/baseline_symbols.txt: Regenerate.
	* config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.11/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Likewise.

2016-08-02  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Skip
	test if -flto used.

	* testsuite/lib/libstdc++.exp (v3-build_support): Add -fno-lto to
	additional flags for compiling libtestc++.a objects.

2016-08-01  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/basic_string.h (data() const): Update comment.
	(data()): Add non-const overload for C++17.
	* testsuite/21_strings/basic_string/operations/data/char/2.cc: New.
	* testsuite/21_strings/basic_string/operations/data/wchar_t/2.cc: New.

	* include/bits/basic_string.tcc: Disable explicit instantiation
	declarations for C++17.

	* testsuite/23_containers/unordered_map/requirements/53339.cc: Remove
	ignored "xfail" from { dg-do compile { xfail selector } } directive.
	* testsuite/23_containers/unordered_multimap/requirements/53339.cc:
	Likewise.
	* testsuite/26_numerics/headers/cmath/
	c99_classification_macros_c++11.cc: Likewise.
	* testsuite/26_numerics/headers/cmath/
	c99_classification_macros_c++98.cc: Likewise.
	* testsuite/26_numerics/headers/cmath/
	c99_classification_macros_c.cc: Likewise.

	* testsuite/backward/hash_set/check_construct_destroy.cc: Account
	for different construct/destroy counts in C++98 mode.

	* testsuite/17_intro/freestanding.cc: Remove "-x c" from dg-options.

	* testsuite/20_util/tuple/cons/66338.cc: Limit test to C++11 and
	later.
	* testsuite/20_util/tuple/cons/element_accepts_anything_byval.cc:
	Likewise.

	* testsuite/25_algorithms/lower_bound/debug/irreflexive.cc: Use
	C++98-compatible initialization for array.

	* testsuite/20_util/shared_ptr/assign/auto_ptr_rvalue.cc: Remove
	unused header and variable from compile-only test.
	* testsuite/20_util/shared_ptr/assign/unique_ptr_rvalue.cc: Likewise.
	* testsuite/28_regex/basic_regex/assign/char/cstring.cc: Likewise.
	* testsuite/28_regex/basic_regex/ctors/string_wchar_t.cc: Likewise.
	* testsuite/experimental/memory/shared_ptr/cons/copy_ctor_neg.cc:
	Likewise.

	* testsuite/experimental/string_view/operations/rfind/char/2.cc:
	Remove duplicate dg-options directive.

	* testsuite/20_util/specialized_algorithms/uninitialized_copy/
	808590.cc: Use -std=gnu++98 instead of -std=gnu++03.

	* testsuite/20_util/make_signed/requirements/typedefs-2.cc: Remove
	linker options from compile-only tests.
	* testsuite/20_util/make_unsigned/requirements/typedefs-2.cc:
	Likewise.

	* testsuite/27_io/ios_base/types/fmtflags/case_label.cc: Make test
	supported for C++11 and later.
	* testsuite/27_io/ios_base/types/iostate/case_label.cc: Likewise.
	* testsuite/27_io/ios_base/types/openmode/case_label.cc: Likewise.

2016-08-01  Uros Bizjak  <ubizjak@gmail.com>

	* config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.

2016-07-31  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/20_util/conditional/requirements/typedefs.cc: Change to
	compile-only test.

	* testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc:
	Ensure test is compiled with optimization.

	* testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
	Adjust dg-prune-output pattern for error in C++98 mode.

	* testsuite/28_regex/basic_regex/ctors/basic/raw_string.cc: Only
	run for C++11 or later.

	* testsuite/28_regex/basic_regex/ctors/basic/raw_string.cc: Fix
	test to not rely on GNU extension (escaped normal characters in POSIX
	BRE). Enable tests for other strings which are now supported.

	* testsuite/20_util/pair/astuple/get_neg.cc: Use effective-target
	c++11 instead of setting -std=gnu++14.

	PR libstdc++/72745
	* include/std/array (get): Use positive message for static assertions.
	* include/std/functional (_Safe_tuple_element_t): Fix indentation.
	* include/std/tuple (tuple_element<I, tuple<>>): Add partial
	specialization for invalid indices, with static assertion.
	* testsuite/20_util/tuple/element_access/get_neg.cc: New test.

	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Move
	dg-error to relevant line.
	* testsuite/20_util/headers/type_traits/types_std_c++0x_neg.cc:
	Likewise.
	* testsuite/23_containers/forward_list/requirements/dr438/
	assign_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/requirements/dr438/
	constructor_2_neg.cc: Likewise.
	* testsuite/23_containers/forward_list/requirements/dr438/
	insert_neg.cc: Likewise.
	* testsuite/26_numerics/headers/cmath/types_std_c++0x_neg.cc:
	Likewise.
	* testsuite/26_numerics/random/linear_congruential_engine/
	requirements/non_uint_neg.cc: Likewise.
	* testsuite/29_atomics/headers/atomic/types_std_c++0x_neg.cc:
	Likewise. Also test for std::atomic_address.

2016-07-31  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Add missing variable traits, fix testsuite failures.
	* include/bits/uses_allocator.h (uses_allocator_v): New.
	* include/std/functional (is_bind_expression_v, is_placeholder_v):
	Likewise.
	* testsuite/20_util/bind/is_placeholder_v.cc: Likewise.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust.
	* testsuite/20_util/duration/literals/range.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Likewise.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
	* testsuite/20_util/uses_allocator/requirements/uses_allocator_v.cc:
	New.

2016-07-31  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/18_support/numeric_limits/40856.cc [__STRICT_ANSI__]: Do
	not test 128-bit types.
	* testsuite/20_util/is_floating_point/value.cc: Likewise.
	* testsuite/20_util/is_integral/value.cc: Likewise.
	* testsuite/20_util/is_signed/value.cc: Likewise.
	* testsuite/20_util/is_unsigned/value.cc: Likewise.
	* testsuite/20_util/make_signed/requirements/typedefs-1.cc: Likewise.
	* testsuite/20_util/make_signed/requirements/typedefs-2.cc: Likewise.
	* testsuite/20_util/make_unsigned/requirements/typedefs-1.cc:
	Likewise.
	* testsuite/20_util/make_unsigned/requirements/typedefs-2.cc:
	Likewise.

	* testsuite/26_numerics/headers/cstdlib/54686.c: Rename to 54686.cc.

2016-07-29  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement C++17 variable templates for type traits.
	* include/std/chrono (treat_as_floating_point_v): New.
	* include/std/ratio (ratio_equal_v, ratio_not_equal_v)
	(ratio_less_v, ratio_less_equal_v, ratio_greater_v)
	(ratio_greater_equal_v): Likewise.
	* include/std/system_error (is_error_code_enum_v)
	(is_error_condition_enum_v): Likewise.
	* include/std/tuple (tuple_size_v): Likewise.
	* type_traits (conjunction_v, disjunction_v, negation_v)
	(is_void_v, is_null_pointer_v, is_integral_v, is_floating_point_v)
	(is_array_v, is_pointer_v, is_lvalue_reference_v)
	(is_rvalue_reference_v, is_member_object_pointer_v)
	(is_member_function_pointer_v, is_enum_v, is_union_v)
	(is_class_v, is_function_v, is_reference_v, is_arithmetic_v)
	(is_fundamental_v, is_object_v, is_scalar_v, is_compound_v)
	(is_member_pointer_v, is_const_v, is_volatile_v, is_trivial_v)
	(is_trivially_copyable_v, is_standard_layout_v)
	(is_pod_v, is_literal_type_v, is_empty_v, is_polymorphic_v)
	(is_abstract_v, is_final_v, is_signed_v, is_unsigned_v)
	(is_constructible_v, is_default_constructible_v)
	(is_copy_constructible_v, is_move_constructible_v)
	(is_assignable_v, is_copy_assignable_v, is_move_assignable_v)
	(is_destructible_v, is_trivially_constructible_v)
	(is_trivially_default_constructible_v)
 	(is_trivially_copy_constructible_v, is_trivially_move_constructible_v)
	(is_trivially_assignable_v, is_trivially_copy_assignable_v)
	(is_trivially_move_assignable_v, is_trivially_destructible_v)
	(is_nothrow_constructible_v, is_nothrow_default_constructible_v)
	(is_nothrow_copy_constructible_v, is_nothrow_move_constructible_v)
	(is_nothrow_assignable_v, is_nothrow_copy_assignable_v)
	(is_nothrow_move_assignable_v, is_nothrow_destructible_v)
	(has_virtual_destructor_v, alignment_of_v, rank_v, extent_v)
	(is_same_v, is_base_of_v, is_convertible_v): Likewise.
	* testsuite/19_diagnostics/error_code/is_error_code_v.cc: Likewise.
	* testsuite/20_util/duration/requirements/treat_as_floating_point_v.cc:
	Likewise.
	* testsuite/20_util/ratio/requirements/ratio_equal_v.cc: Likewise.
	* testsuite/20_util/tuple/tuple_size_v.cc: Likewise.
	* testsuite/20_util/variable_templates_for_traits.cc: Likewise.

2016-07-29  Andreas Schwab  <schwab@linux-m68k.org>

	* config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.

2016-07-29  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/abi.xml: Document 6.0.22 library version.
	* doc/html/manual/abi.html: Regenerate.

	* acinclude.m4 (libtool_VERSION): Bump to 6:23:0.
	* config/abi/pre/gnu.ver: Add 3.4.23 version for new basic_string
	symbols.
	* configure: Regenerate.
	* testsuite/util/testsuite_abi.cc: Add new symbol version.

	* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
	* config/abi/post/i486-linux-gnu/baseline_symbols.txt: Likewise.
	* config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Likewise.
	* config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt:
	Likewise.
	* config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Likewise.
	* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Likewise.
	* config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Likewise.

2016-07-28  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/23_containers/deque/requirements/dr438/assign_neg.cc:
	Adjust dg-prune-output pattern for error in C++98 mode.
	* 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.

	* testsuite/23_containers/vector/check_construct_destroy.cc: Account
	for different construct/destroy counts in C++98 mode.

	* testsuite/17_intro/headers/c++2011/stdc++.cc: Change target-specific
	dg-options to dg-additional-options so that default options are used.
	* testsuite/17_intro/headers/c++2011/stdc++_multiple_inclusion.cc:
	Likewise.
	* testsuite/17_intro/headers/c++2014/stdc++.cc: Likewise.
	* testsuite/17_intro/headers/c++2014/stdc++_multiple_inclusion.cc:
	Likewise.
	* testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc:
	Use dg-additional-options instead of repeating the common options.

	* testsuite/22_locale/conversions/string/1.cc: Remove unintended
	dg-do compile directive.
	* testsuite/26_numerics/headers/cmath/fabs_inline.cc: Fix syntax of
	dg-do directive.
	* testsuite/26_numerics/valarray/const_bracket.cc: Likewise.

2016-07-28  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement std::string_view and P0254r2,
	Integrating std::string_view and std::string.
	* include/Makefile.am: Add string_view and string_view.tcc
	to the exported headers.
	* include/Makefile.in: Likewise.
	* include/bits/basic_string.h: Include <string_view> in C++17 mode.
	(__sv_type): New.
	(basic_string(__sv_type, const _Alloc&)): Likewise.
	(operator=(__sv_type)): Likewise.
	(operator __sv_type()): Likewise.
	(operator+=(__sv_type)): Likewise.
	(append(__sv_type __sv)): Likewise.
	(append(__sv_type, size_type, size_type)): Likewise.
	(assign(__sv_type)): Likewise.
	(assign(__sv_type, size_type, size_type)): Likewise.
	(insert(size_type, __sv_type)): Likewise.
	(insert(size_type, __sv_type, size_type, size_type)): Likewise.
	(replace(size_type, size_type, __sv_type)): Likewise.
	(replace(size_type, size_type, __sv_type, size_type, size_type)):
	Likewise.
	(replace(const_iterator, const_iterator, __sv_type)): Likewise.
	(find(__sv_type, size_type)): Likewise.
	(rfind(__sv_type, size_type)): Likewise.
	(find_first_of(__sv_type, size_type)): Likewise.
	(find_last_of(__sv_type, size_type)): Likewise.
	(find_first_not_of(__sv_type, size_type)): Likewise.
	(find_last_not_of(__sv_type, size_type)): Likewise.
	(compare(__sv_type)): Likewise.
	(compare(size_type, size_type, __sv_type)): Likewise.
	(compare(size_type, size_type, __sv_type, size_type, size_type)):
	Likewise.
	* include/bits/string_view.tcc: New.
	* include/std/string_view: Likewise.
	* testsuite/21_strings/basic_string/cons/char/7.cc: Likewise.
	* testsuite/21_strings/basic_string/cons/wchar_t/7.cc: Likewise.
	* testsuite/21_strings/basic_string/modifiers/append/char/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/append/wchar_t/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/assign/char/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/assign/wchar_t/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/insert/char/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/insert/wchar_t/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/replace/char/7.cc:
	Likewise.
	* testsuite/21_strings/basic_string/modifiers/replace/wchar_t/7.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operations/compare/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operations/compare/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operations/find/char/5.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operations/find/wchar_t/5.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operators/char/5.cc: Likewise.
	* testsuite/21_strings/basic_string/operators/wchar_t/5.cc: Likewise.
	* testsuite/21_strings/basic_string_view/capacity/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/char/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/char/2.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/char/3.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/wchar_t/2.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/wchar_t/3.cc: Likewise.
	* testsuite/21_strings/basic_string_view/element_access/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/char/front_back.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/wchar_t/empty.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/wchar_t/front_back.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/include.cc: Likewise.
	* testsuite/21_strings/basic_string_view/inserters/char/1.cc: Likewise.
	* testsuite/21_strings/basic_string_view/inserters/char/2.cc: Likewise.
	* testsuite/21_strings/basic_string_view/inserters/char/3.cc: Likewise.
	* testsuite/21_strings/basic_string_view/inserters/pod/10081-out.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/inserters/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/inserters/wchar_t/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/remove_prefix/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/remove_prefix/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/remove_suffix/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/modifiers/remove_suffix/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/char/13650.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/compare/wchar_t/13650.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/copy/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/copy/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/data/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/data/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/char/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/char/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/wchar_t/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/find/wchar_t/4.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/rfind/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/rfind/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/rfind/char/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/rfind/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/rfind/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/rfind/wchar_t/3.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/string_conversion/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/substr/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/substr/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operators/char/2.cc: Likewise.
	* testsuite/21_strings/basic_string_view/operators/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/range_access/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char16_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/char32_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/requirements/explicit_instantiation/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/typedefs.cc: Likewise.
	* testsuite/21_strings/basic_string_view/types/1.cc: Likewise.

2016-07-27  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/20_util/forward/1_neg.cc: Move dg-error to right line.

2016-07-25  Georeth Chow  <georeth2010@gmail.com>

	* include/ext/ropeimpl.h (rope<>::_S_dump(_RopeRep*, int)): Qualify
	_S_concat enumerator.
	* testsuite/ext/rope/6.cc: New test.

2016-07-25  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Use
	std::mt19937, std::thread and std::atomic to simplify test.
	* testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.

2016-07-22  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/71964
	* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
	(basic_string::_Alloc_hider(pointer, _Alloc&&)): Add constructor.
	* include/bits/stl_tree.h (_Rb_tree(_Rb_tree&&)): Move allocator.
	* testsuite/21_strings/basic_string/allocator/71964.cc: New test.
	* testsuite/23_containers/set/allocator/71964.cc: New test.

	* testsuite/lib/libstdc++.exp (check_v3_target_namedlocale): Use
	delete[] instead of delete.

2016-07-21  Jonathan Wakely  <jwakely@redhat.com>

	* include/experimental/propagate_const (propagate_const::__t): Rename
	to _M_t and remove comment. Qualify std::move and std::forward.
	* testsuite/experimental/propagate_const/cons/default.cc: Fix test.

	* testsuite/23_containers/vector/zero_sized_allocations.cc:
	Define sized deallocation function.
	* testsuite/util/testsuite_new_operators.h:
	(operator delete(void*, const std::nothrow_t&)): Define nothrow
	deallocation function.

	* testsuite/21_strings/basic_string/modifiers/append/char/1.cc: Fix
	reads past the end of strings.
	* testsuite/21_strings/basic_string/operations/compare/char/1.cc:
	Likewise.
	* testsuite/21_strings/char_traits/requirements/short/1.cc: Fix
	invalid array accesses.
	* testsuite/experimental/string_view/operations/compare/char/1.cc:
	Fix read past the end of string.
	* testsuite/util/testsuite_character.cc: Fix out-of-bounds write.

	* testsuite/24_iterators/container_access.cc: Fix missing returns.
	* testsuite/24_iterators/range_access_cpp14.cc: Likewise.

	* testsuite/18_support/new_delete_placement.cc: Don't allocate (and
	leak) memory for arguments to placement delete.
	* testsuite/20_util/addressof/1.cc: Don't leak memory.
	* testsuite/22_locale/locale/global_locale_objects/3.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/insert/55028-debug.cc:
	Likewise.

2016-07-20  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/intro.xml: Document DR 2684 status.
	* doc/html/*: Regenerate.

	* include/std/atomic (atomic_int8_t, atomic_uint8_t, atomic_int16_t)
	(atomic_uint16_t, atomic_int32_t, atomic_uint32_t, atomic_int64_t)
	(atomic_uint64_t): Define (LWG 2441).
	* testsuite/29_atomics/headers/atomic/std_c++0x_neg.cc: Remove empty
	lines.
	* testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Test for
	the new types.
	* doc/xml/manual/intro.xml: Document DR 2441 status.

	* include/std/istream (operator>>(basic_istream&&, _Tp&)): Adjust
	to use perfect forwarding (LWG 2328).
	* testsuite/27_io/rvalue_streams.cc: Test perfect forwarding.
	* doc/xml/manual/intro.xml: Document DR 2328 status.

	* libsupc++/pbase_type_info.cc (__pbase_type_info::__do_catch): Use
	static objects for catching nullptr as pointer to member types.

2016-07-18  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Clean up optional's comments.
	* include/std/optional: Remove incorrect section headers
	from comments when redundant, replace bare section
	headers with more descriptive comments.

2016-07-15  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/algorithmfwd.h: Change C++0x to C++11 in comments.
	* include/bits/move.h: Likewise.
	* include/bits/postypes.h: Likewise.
	* include/debug/bitset: Likewise.
	* include/ext/pb_ds/detail/type_utils.hpp: Likewise.
	* include/ext/string_conversions.h: Change C++0x to __cxx11 in
	comment.
	* testsuite/27_io/fpos/14320-1.cc: Change C++0x to C++11 in comment.
	* testsuite/util/thread/all.h: Likewise.

	* include/bits/stl_algo.h (for_each): Remove redundant _GLIBCXX_MOVE
	and adjust comment.

	PR c++/58796
	* libsupc++/pbase_type_info.cc (__pbase_type_info::__do_catch): Make
	nullptr match handlers of pointer type.

2016-07-15  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Implement C++17 P0025 clamp.
	* include/bits/algorithmfwd.h: Declare clamp overloads.
	* include/bits/stl_algo.h: Implement clamp.  Feature __cpp_lib_clamp.
	* testsuite/25_algorithms/clamp/1.cc: New test.
	* testsuite/25_algorithms/clamp/2.cc: New test.
	* testsuite/25_algorithms/clamp/constexpr.cc: New test.
	* testsuite/25_algorithms/clamp/requirements/explicit_instantiation/
	1.cc: New test.
	* testsuite/25_algorithms/clamp/requirements/explicit_instantiation/
	pod.cc: New test.

2016-07-14  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Fix the constraints for any's assignment operator template to properly
	reject assignment from a non-copyable lvalue.
	* include/std/any (operator=(_ValueType&&)): Constrain the decayed
	type for is_copy_constructible,
	* testsuite/20_util/any/requirements.cc: Add a test for
	non-copyable lvalues.

2016-07-14  Jonathan Wakely  <jwakely@redhat.com>

	* include/experimental/functional: Include <parallel/algorithm> in
	Parallel Mode.

	* testsuite/experimental/functional/searchers.cc: Include <algorithm>
	for std::search.

	PR libstdc++/70716
	* include/bits/forward_list.h (forward_list): Update doxygen comments
	to reflect allocator propagation semantics. Remove ambiguous
	statements about data being lost.
	* include/bits/stl_deque.h (deque): Likewise.
	* include/bits/stl_list.h (list): Likewise.
	* include/bits/stl_map.h (map): Likewise.
	* include/bits/stl_multimap.h (multimap): Likewise.
	* include/bits/stl_multiset.h (multiset): Likewise.
	* include/bits/stl_set.h (set): Likewise.
	* include/bits/stl_vector.h (vector): Likewise.
	* include/bits/unordered_map.h (unordered_map, unordered_multimap):
	Likewise.
	* include/bits/unordered_set.h (unordered_set, unordered_multiset):
	Likewise.

2016-07-14  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement P0032R3, Homogeneous interface for variant, any and optional,
	for the parts concerning any and optional.
	* include/std/any (_Storage()): Make constexpr and have it
	initialize _M_ptr.
	(any()): Make constexpr.
	(any(const any&)): Adjust.
	(any(any&&)): Likewise.
	(__any_constructible_t): New.
	(any(_ValueType&&)): Constrain.
	(any(in_place_type_t<_Tp>, _Args&&...)): New.
	(any(in_place_type_t<_Tp>, initializer_list<_Up>, _Args&&...)):
	Likewise.
	(~any()): Adjust.
	(operator=(const any&)): Likewise.
	(operator=(any&&)): Likewise.
	(operator=(_ValueType&&)): Constrain.
	(emplace(_Args&&...)): New.
	(emplace(initializer_list<_Up>, _Args&&...)): Likewise.
	(clear()): Remove.
	(reset()): New.
	(swap(any&)): Adjust.
	(empty()): Remove.
	(has_value()): New.
	(type()): Adjust.
	(_Manager_internal::_S_create(_Storage&, _Args&&...)): New.
	(_Manager_external::_S_create(_Storage&, _Args&&...)): Likewise.
	(make_any(_Args&&...)): Likewise.
	(make_any(initializer_list<_Up>, _Args&&...)): Likewise.
	* include/std/optional (in_place_t, in_place): Remove.
	(bad_optional_access): Add a comment referring to LEWG 72.
	(emplace(_Args&&...)): Constrain.
	(has_value()): New.
	(reset()): Likewise.
	(make_optional(_Args&&...)): Likewise.
	(make_optional(initializer_list<_Up>, _Args&&...)): Likewise.
	* include/std/utility (in_place_tag): New.
	(__in_place, __in_place_type, __in_place_index): Likewise.
	(in_place_t, in_place_type_t, in_place_index_t): Likewise.
	(in_place(__in_place*)): Likewise.
	(in_place(__in_place_type<_Tp>*)): Likewise.
	(in_place(__in_place_index<_Idx>*)): Likewise.
	* testsuite/20_util/any/assign/1.cc: Adjust.
	* testsuite/20_util/any/assign/emplace.cc: New.
	* testsuite/20_util/any/assign/self.cc: Adjust.
	* testsuite/20_util/any/cons/1.cc: Likewise.
	* testsuite/20_util/any/cons/in_place.cc: New.
	* testsuite/20_util/any/make_any.cc: Likewise.
	* testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
	* testsuite/20_util/any/misc/swap.cc: Likewise.
	* testsuite/20_util/any/modifiers/1.cc: Likewise.
	* testsuite/20_util/any/requirements.cc: New.
	* testsuite/20_util/in_place/requirements.cc: Likewise.
	* testsuite/20_util/optional/constexpr/in_place.cc: Adjust.
	* testsuite/20_util/optional/in_place.cc: Likewise.
	* testsuite/20_util/optional/make_optional.cc: Add tests for
	the new overloads of make_optional.

2016-07-13  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement P0307R2, Making Optional Greater Equal Again.
	* include/experimental/optional (_Has_addressof): Fix the comment.
	* include/std/optional (_Has_addressof): Likewise.
	(operator=(_Up&&)): Constrain.
	(operator=(const optional<_Up>&)): Likewise.
	(operator=(optional<_Up>&&)): Likewise.
	(__optional_relop_t): New.
	(operator==(const optional<_Tp>&, const optional<_Tp>&)): Constrain.
	(operator!=(const optional<_Tp>&, const optional<_Tp>&)):
	Constrain and make transparent.
	(operator<(const optional<_Tp>&, const optional<_Tp>&)): Constrain.
	(operator>(const optional<_Tp>&, const optional<_Tp>&)):
	Constrain and make transparent.
	(operator<=(const optional<_Tp>&, const optional<_Tp>&)): Likewise.
	(operator>=(const optional<_Tp>&, const optional<_Tp>&)): Likewise.
	(operator==(const optional<_Tp>&, const _Tp&): Constrain.
	(operator==(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator!=(const optional<_Tp>&, _Tp const&)):
	Constrain and make transparent.
	(operator!=(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator<(const optional<_Tp>&, const _Tp&)): Constrain.
	(operator<(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator>(const optional<_Tp>&, const _Tp&)):
	Constrain and make transparent.
	(operator>(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator<=(const optional<_Tp>&, const _Tp&)): Likewise.
	(operator<=(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator>=(const optional<_Tp>&, const _Tp&)): Likewise.
	(operator>=(const _Tp&, const optional<_Tp>&)): Likewise.
	* testsuite/20_util/optional/constexpr/relops/2.cc: Adjust.
	* testsuite/20_util/optional/constexpr/relops/4.cc: Likewise.
	* testsuite/20_util/optional/relops/1.cc: Likewise.
	* testsuite/20_util/optional/relops/2.cc: Likewise.
	* testsuite/20_util/optional/relops/3.cc: Likewise.
	* testsuite/20_util/optional/relops/4.cc: Likewise.
	* testsuite/20_util/optional/requirements.cc: Add tests to verify
	that optional's relops are transparent and don't synthesize
	operators. Also test that assignment sfinaes.

2016-07-13  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/71856
	* include/bits/c++config (_GLIBCXX_ASSERTIONS): Define to 1 not empty.
	* include/parallel/compiletime_settings.h (_GLIBCXX_ASSERTIONS):
	Rename to _GLIBCXX_PARALLEL_ASSERTIONS and make default value depend
	on _GLIBCXX_ASSERTIONS.
	* include/parallel/balanced_quicksort.h: Rename _GLIBCXX_ASSERTIONS.
	Include <unistd.h> for sleep.
	* include/parallel/losertree.h: Rename _GLIBCXX_ASSERTIONS.
	* include/parallel/merge.h: Likewise.
	* include/parallel/multiway_merge.h: Likewise.
	* include/parallel/partition.h: Likewise.
	* include/parallel/queue.h: Likewise.
	* include/parallel/sort.h: Likewise.
	* testsuite/25_algorithms/headers/algorithm/
	parallel_algorithm_assert.cc: New.

	* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
	(replace(__const_iterator, __const_iterator, initializer_list<C>)):
	Forward to different overload.

	* include/bits/allocated_ptr.h (__allocated_ptr::_S_raw_ptr): Make
	static.

2016-07-13  Jonathan Wakely  <jwakely@redhat.com>

	Revert "Add non-const overload of std::string::data()".

2016-07-13  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement P0307R2, Making Optional Greater Equal Again.
	* include/experimental/optional (_Has_addressof): Fix the comment.
	* include/std/optional (_Has_addressof): Likewise.
	(operator=(_Up&&)): Constrain.
	(operator=(const optional<_Up>&)): Likewise.
	(operator=(optional<_Up>&&)): Likewise.
	(__optional_relop_t): New.
	(operator==(const optional<_Tp>&, const optional<_Tp>&)): Constrain.
	(operator!=(const optional<_Tp>&, const optional<_Tp>&)):
	Constrain and make transparent.
	(operator<(const optional<_Tp>&, const optional<_Tp>&)): Constrain.
	(operator>(const optional<_Tp>&, const optional<_Tp>&)):
	Constrain and make transparent.
	(operator<=(const optional<_Tp>&, const optional<_Tp>&)): Likewise.
	(operator>=(const optional<_Tp>&, const optional<_Tp>&)): Likewise.
	(operator==(const optional<_Tp>&, const _Tp&): Constrain.
	(operator==(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator!=(const optional<_Tp>&, _Tp const&)):
	Constrain and make transparent.
	(operator!=(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator<(const optional<_Tp>&, const _Tp&)): Constrain.
	(operator<(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator>(const optional<_Tp>&, const _Tp&)):
	Constrain and make transparent.
	(operator>(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator<=(const optional<_Tp>&, const _Tp&)): Likewise.
	(operator<=(const _Tp&, const optional<_Tp>&)): Likewise.
	(operator>=(const optional<_Tp>&, const _Tp&)): Likewise.
	(operator>=(const _Tp&, const optional<_Tp>&)): Likewise.
	* testsuite/20_util/optional/constexpr/relops/2.cc: Adjust.
	* testsuite/20_util/optional/constexpr/relops/4.cc: Likewise.
	* testsuite/20_util/optional/relops/1.cc: Likewise.
	* testsuite/20_util/optional/relops/2.cc: Likewise.
	* testsuite/20_util/optional/relops/3.cc: Likewise.
	* testsuite/20_util/optional/relops/4.cc: Likewise.
	* testsuite/20_util/optional/requirements.cc: Add tests to verify
	that optional's relops are transparent and don't synthesize
	operators. Also test that assignment sfinaes.

2016-07-13  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (_M_c_str):
	New function.
	(_M_disjunct, basic_string(const basic_string&, size_t)): Use data()
	instead of _M_data().
	(basic_string(const basic_string&, size_t, size_t, const _Alloc&)):
	Likewise.
	(append(const basic_string&)): Likewise.
	(append(const basic_string&, size_type, size_type)): Likewise.
	(assign(const basic_string&, size_type, size_type)): Likewise.
	(insert(size_type, const basic_string&)): Likewise.
	(insert(size_type, const basic_string&, size_type, size_type)):
	Likewise.
	(replace(size_type, size_type, const basic_string&, size_type,
	size_type)): Likewise.
	(replace(__const_iterator, __const_iterator, const basic_string&)):
	Likewise.
	(c_str(), data()): Use c_str() instead of _M_data().
	(data()): Add non-const overload as per LWG 2391 and P0272R1.
	(compare(const basic_string&)): Use data() instead of _M_data().
	[!_GLIBCXX_USE_CXX11_ABI] (data()): Add non-const overload.
	* include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI] (_M_mutate):
	Pass raw pointers to _S_copy.
	(_M_erase, _M_replace_aux): Pass raw pointers to _S_move and
	_S_assign.
	(find(const _CharT*, size_type, size_type)): Use data instead of
	_M_data().
	* testsuite/21_strings/basic_string/allocator/char/ext_ptr.cc: New.
	* testsuite/21_strings/basic_string/operations/data/char/2.cc: New.
	* testsuite/21_strings/basic_string/operations/data/wchar_t/2.cc: New.

2016-07-12  Jonathan Wakely  <jwakely@redhat.com>

	* libsupc++/new: Remove nothrow sized deletes (LWG 2458).
	* doc/xml/manual/intro.xml: Document DR 2458 status.
	* doc/html*: Regenerate.

	* testsuite/20_util/pair/astuple/astuple.cc: Only include <utility>.
	* testsuite/23_containers/array/tuple_interface/tuple_element.cc:
	Only include <array>.
	* testsuite/23_containers/array/tuple_interface/tuple_size.cc:
	Likewise.
	* doc/xml/manual/intro.xml: Document LWG 2212 support.
	* doc/html*: Regenerate.

	* testsuite/23_containers/vector/modifiers/emplace/self_emplace.cc:
	Add testcase from LWG 2164.

2016-07-11  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_vector.h (push_back(const value_type&)): Forward
	to _M_realloc_insert.
	(insert(const_iterator, value_type&&)): Forward to _M_insert_rval.
	(_M_realloc_insert): Declare new function.
	(_M_emplace_back_aux): Remove definition.
	* include/bits/vector.tcc (emplace_back(_Args...)):
	Use _M_realloc_insert.
	(insert(const_iterator, const value_type&)): Likewise.
	(_M_insert_rval, _M_emplace_aux): Likewise.
	(_M_emplace_back_aux): Remove declaration.
	(_M_realloc_insert): Define.
	* testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
	Adjust expected results for emplacing an lvalue with reallocation.

2016-07-10  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement std::optional.
	* include/Makefile.am: Add optional to exported headers.
	* include/Makefile.in: Likewise.
	* include/std/optional: New.
	* testsuite/20_util/optional/typedefs.cc: Likewise.
	* testsuite/20_util/optional/relops/2.cc: Likewise.
	* testsuite/20_util/optional/relops/3.cc: Likewise.
	* testsuite/20_util/optional/relops/4.cc: Likewise.
	* testsuite/20_util/optional/relops/5.cc: Likewise.
	* testsuite/20_util/optional/relops/1.cc: Likewise.
	* testsuite/20_util/optional/relops/6.cc: Likewise.
	* testsuite/20_util/optional/nullopt.cc: Likewise.
	* testsuite/20_util/optional/in_place.cc: Likewise.
	* testsuite/20_util/optional/make_optional.cc: Likewise.
	* testsuite/20_util/optional/assignment/2.cc: Likewise.
	* testsuite/20_util/optional/assignment/3.cc: Likewise.
	* testsuite/20_util/optional/assignment/4.cc: Likewise.
	* testsuite/20_util/optional/assignment/5.cc: Likewise.
	* testsuite/20_util/optional/assignment/1.cc: Likewise.
	* testsuite/20_util/optional/assignment/6.cc: Likewise.
	* testsuite/20_util/optional/cons/value_neg.cc: Likewise.
	* testsuite/20_util/optional/cons/default.cc: Likewise.
	* testsuite/20_util/optional/cons/move.cc: Likewise.
	* testsuite/20_util/optional/cons/value.cc: Likewise.
	* testsuite/20_util/optional/cons/copy.cc: Likewise.
	* testsuite/20_util/optional/requirements.cc: Likewise.
	* testsuite/20_util/optional/observers/2.cc: Likewise.
	* testsuite/20_util/optional/observers/3.cc: Likewise.
	* testsuite/20_util/optional/observers/4.cc: Likewise.
	* testsuite/20_util/optional/observers/5.cc: Likewise.
	* testsuite/20_util/optional/observers/1.cc: Likewise.
	* testsuite/20_util/optional/constexpr/relops/2.cc: Likewise.
	* testsuite/20_util/optional/constexpr/relops/3.cc: Likewise.
	* testsuite/20_util/optional/constexpr/relops/4.cc: Likewise.
	* testsuite/20_util/optional/constexpr/relops/5.cc: Likewise.
	* testsuite/20_util/optional/constexpr/relops/1.cc: Likewise.
	* testsuite/20_util/optional/constexpr/relops/6.cc: Likewise.
	* testsuite/20_util/optional/constexpr/nullopt.cc: Likewise.
	* testsuite/20_util/optional/constexpr/in_place.cc: Likewise.
	* testsuite/20_util/optional/constexpr/make_optional.cc: Likewise.
	* testsuite/20_util/optional/constexpr/cons/default.cc: Likewise.
	* testsuite/20_util/optional/constexpr/cons/value.cc: Likewise.
	* testsuite/20_util/optional/constexpr/observers/2.cc: Likewise.
	* testsuite/20_util/optional/constexpr/observers/3.cc: Likewise.
	* testsuite/20_util/optional/constexpr/observers/4.cc: Likewise.
	* testsuite/20_util/optional/constexpr/observers/5.cc: Likewise.
	* testsuite/20_util/optional/constexpr/observers/1.cc: Likewise.
	* testsuite/20_util/optional/swap/1.cc: Likewise.

2016-07-08  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/23_containers/vector/modifiers/insert/aliasing.cc: New.

2016-07-07  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/status_cxx2014.xml: Update LFTS status table.
	* doc/html/*: Regenerate.

2016-07-07  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement std::any.
	* include/Makefile.am: Add any and c++17_warning.h to exported headers.
	* include/Makefile.in: Likewise.
	* include/std/any: New.
	* testsuite/20_util/any/assign/1.cc: Likewise.
	* testsuite/20_util/any/assign/2.cc: Likewise.
	* testsuite/20_util/any/assign/self.cc: Likewise.
	* testsuite/20_util/any/cons/1.cc: Likewise.
	* testsuite/20_util/any/cons/2.cc: Likewise.
	* testsuite/20_util/any/cons/aligned.cc: Likewise.
	* testsuite/20_util/any/cons/nontrivial.cc: Likewise.
	* testsuite/20_util/any/misc/any_cast.cc: Likewise.
	* testsuite/20_util/any/misc/any_cast_neg.cc: Likewise.
	* testsuite/20_util/any/misc/any_cast_no_rtti.cc: Likewise.
	* testsuite/20_util/any/misc/swap.cc: Likewise.
	* testsuite/20_util/any/modifiers/1.cc: Likewise.
	* testsuite/20_util/any/observers/type.cc: Likewise.
	* testsuite/20_util/any/typedefs.cc: Likewise.

2016-07-06  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Add a new header for diagnosing the use of C++17 facilities
	in pre-C++17 modes.
	* include/bits/c++17_warning.h:	New.

2016-07-06  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement LWG 2451, optional<T> should 'forward' T's
	implicit conversions.
	* include/experimental/optional (__is_optional_impl, __is_optional):
	New.
	(optional()): Make constexpr and default.
	(optional(_Up&&), optional(const optional<_Up>&),
	optional(optional<_Up>&& __t): New.
	(operator=(_Up&&)): Constrain.
	(operator=(const optional<_Up>&), operator=(optional<_Up>&&)): New.
	* testsuite/experimental/optional/cons/value.cc:
	Add tests for the functionality added by LWG 2451.
	* testsuite/experimental/optional/cons/value_neg.cc: New.

2016-07-05  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement LWG 2509,
	any_cast doesn't work with rvalue reference targets and cannot
	move with a value target.
	* include/experimental/any (any(_ValueType&&)): Constrain and
	add an overload that doesn't forward.
	(any_cast(any&&)): Constrain and add an overload that moves.
	* testsuite/experimental/any/misc/any_cast.cc: Add tests for
	the functionality added by LWG 2509.

2016-07-04  François Dumont  <fdumont@gcc.gnu.org>

	* testsuite/23_containers/vector/modifiers/emplace/self_emplace.cc:
	New test.
	* testsuite/23_containers/vector/modifiers/insert/self_insert.cc: New
	test.

2016-07-04  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/stl_vector.h (emplace(const_iterator, _Args&&...)):
	Define inline. Forward to _M_emplace_aux.
	(insert(const_iterator, value_type&&)): Forward to _M_insert_rval.
	(_M_insert_rval, _M_emplace_aux): Declare new functions.
	(_Temporary_value): New RAII type using allocator to construct/destroy.
	(_S_insert_aux_assign): Remove.
	(_M_insert_aux): Make non-variadic.
	* include/bits/vector.tcc (insert(const_iterator, const value_type&)):
	Use _Temporary_value.
	(emplace(const_iterator, _Args&&...)): Remove definition.
	(_M_insert_rval, _M_emplace_aux): Define.
	(_M_insert_aux): Make non-variadic, stop using _S_insert_aux_assign.
	(_M_fill_insert): Use _Temporary_value.
	* testsuite/23_containers/vector/allocator/construction.cc: New test.
	* testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
	Adjust expected results for emplacing an lvalue with reallocation.
	* testsuite/23_containers/vector/check_construct_destroy.cc: Adjust
	expected results to account for construction/destruction of temporary
	using allocator.
	* testsuite/backward/hash_set/check_construct_destroy.cc: Likewise.

2016-07-04  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/71313
	* src/filesystem/ops.cc (remove_all(const path&, error_code&)):
	Call remove_all for children of a directory.
	* testsuite/experimental/filesystem/operations/create_directories.cc:
	Adjust.

2016-07-02  François Dumont  <fdumont@gcc.gnu.org>

	* testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adjust
	dg-error line numbers.
	* testsuite/23_containers/array/tuple_interface/
	tuple_element_debug_neg.cc: Likewise.
	* testsuite/25_algorithms/lexicographical_compare/debug/
	irreflexive_neg.cc: Remove.

2016-06-30  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	* testsuite/29_atomics/atomic/65913.cc: Require atomic-builtins rather
	than specific target.

2016-06-27  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/71640
	* include/bits/hashtable.h: Remove _Unique_keya parameter in _Insert
	friend declaration.

2016-06-23  François Dumont  <fdumont@gcc.gnu.org>

	* include/debug/array (array<>::swap): Fix noexcept qualificaton for
	zero-size array.

2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* configure.host: Remove mep-* support.

2016-06-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* configure: Regenerate.
	* configure.host: Remove support for knetbsd.
	* crossconfig.m4: Likewise.

2016-06-20  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/71181
	* include/tr1/hashtable_policy.h
	(_Prime_rehash_policy::_M_next_bkt): Make past-the-end iterator
	dereferenceable to avoid check on lower_bound result.
	(_Prime_rehash_policy::_M_bkt_for_elements): Call latter.
	(_Prime_rehash_policy::_M_need_rehash): Likewise.
	* src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
	Always return a value greater than input value. Set _M_next_resize to
	max value when reaching highest prime number.
	* src/shared/hashtable-aux.cc (__prime_list): Add comment about sentinel
	being now useless.
	* testsuite/23_containers/unordered_set/hash_policy/71181.cc: New.
	* testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc
	(test02): New.
	* testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc: New.
	* testsuite/23_containers/unordered_set/hash_policy/rehash.cc:
	Fix indentation.

2016-06-17  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/71545
	* include/bits/stl_algobase.h (lower_bound, lexicographical_compare):
	Remove irreflexive checks.
	* include/bits/stl_algo.h (lower_bound, upper_bound, equal_range,
	binary_search): Likewise.
	* testsuite/25_algorithms/equal_range/partitioned.cc: New test.
	* testsuite/25_algorithms/lexicographical_compare/71545.cc: New test.
	* testsuite/25_algorithms/lower_bound/partitioned.cc: New test.
	* testsuite/25_algorithms/upper_bound/partitioned.cc: New test.
	* testsuite/util/testsuite_iterators.h (__gnu_test::test_container):
	Add constructor from array.

2016-06-16  François Dumont  <fdumont@gcc.gnu.org>

	* include/debug/debug.h
	(__glibcxx_requires_non_empty_range, __glibcxx_requires_nonempty)
	(__glibcxx_requires_subscript): Move...
	* include/debug/assertions.h: ...here and add __builtin_expect.
	(_GLIBCXX_DEBUG_ONLY): Remove ; value.
	* include/bits/stl_deque.h
	(std::deque<>::operator[]): Add __glibcxx_requires_subscript check.
	(std::deque<>::front()): Add __glibcxx_requires_nonempty check.
	(std::deque<>::back()): Likewise.
	(std::deque<>::pop_front()): Likewise.
	(std::deque<>::pop_back()): Likewise.
	(std::deque<>::swap(deque&)): Add allocator check.
	* include/bits/stl_vector.h
	(std::vector<>::operator[]): Add __glibcxx_requires_subscript check.
	(std::vector<>::front()): Add __glibcxx_requires_nonempty check.
	(std::vector<>::back()): Likewise.
	(std::vector<>::pop_back()): Likewise.
	(std::vector<>::swap(vector&)): Add allocator check.

2016-06-16  Daniel Kruegler  <daniel.kruegler@gmail.com>

	Provide swappable traits (p0185r1)
	* include/std/type_traits (is_swappable, is_nothrow_swappable,
	is_swappable_with, is_nothrow_swappable_with, is_swappable_v,
	is_nothrow_swappable_v, is_swappable_with_v,
	is_nothrow_swappable_with_v): New.
	* include/bits/stl_pair.h: Use it as per p0185r1.
	* include/bits/stl_queue.h: Likewise.
	* include/bits/stl_stack.h: Likewise.
	* include/bits/unique_ptr.h: Likewise.
	* include/std/tuple: Likewise.
	* include/std/array: Likewise. Fix zero-size member swap.
	* include/bits/hashtable.h: Use __and_.
	* testsuite/20_util/is_nothrow_swappable/requirements/
	explicit_instantiation.cc: Change test options to std=gnu++17.
	* testsuite/20_util/is_nothrow_swappable/requirements/typedefs.cc:
	Likewise.
	* testsuite/20_util/is_nothrow_swappable/value.cc: Likewise.
	* testsuite/20_util/is_swappable/requirements/
	explicit_instantiation.cc: Likewise.
	* testsuite/20_util/is_swappable/requirements/typedefs.cc: Likewise.
	* testsuite/20_util/is_swappable/value.cc: Likewise.
	* testsuite/20_util/is_nothrow_swappable/requirements/
	explicit_instantiation_ext.cc: New.
	* testsuite/20_util/is_nothrow_swappable/requirements/typedefs_ext.cc:
	New.
	* testsuite/20_util/is_nothrow_swappable/value.h: New.
	* testsuite/20_util/is_nothrow_swappable/value_ext.cc: New.
	* testsuite/20_util/is_nothrow_swappable_with/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/is_nothrow_swappable_with/requirements/typedefs.cc:
	New.
	* testsuite/20_util/is_nothrow_swappable_with/value.cc: New.
	* testsuite/20_util/is_swappable/requirements/
	explicit_instantiation_ext.cc: New.
	* testsuite/20_util/is_swappable/requirements/typedefs_ext.cc: New.
	* testsuite/20_util/is_swappable/value.h: New.
	* testsuite/20_util/is_swappable/value_ext.cc: New.
	* testsuite/20_util/is_swappable_with/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/is_swappable_with/requirements/typedefs.cc: New.
	* testsuite/20_util/is_swappable_with/value.cc: New.
	* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust
	dg-error line numbers.
	* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
	Likewise.

2016-06-16  Jonathan Wakely  <jwakely@redhat.com>

	* include/std/array: Remove trailing whitespace.
	* include/std/atomic: Likewise.
	* include/std/bitset: Likewise.
	* include/std/chrono: Likewise.
	* include/std/complex: Likewise.
	* include/std/condition_variable: Likewise.
	* include/std/fstream: Likewise.
	* include/std/functional: Likewise.
	* include/std/future: Likewise.
	* include/std/iomanip: Likewise.
	* include/std/iosfwd: Likewise.
	* include/std/istream: Likewise.
	* include/std/limits: Likewise.
	* include/std/ratio: Likewise.
	* include/std/scoped_allocator: Likewise.
	* include/std/sstream: Likewise.
	* include/std/stdexcept: Likewise.
	* include/std/string: Likewise.
	* include/std/system_error: Likewise.
	* include/std/thread: Likewise.
	* include/std/tuple: Likewise.
	* include/std/type_traits: Likewise.
	* include/std/utility: Likewise.
	* include/std/valarray: Likewise.
	* include/std/vector: Likewise.

	* include/bits/stl_vector.h (vector::_S_insert_aux_assign): Define
	new overloaded functions.
	* include/bits/vector.tcc (vector::_M_insert_aux): Use new functions
	to avoid creating a redundant temporary.
	* testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc: New
	test.

2016-06-15  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/stl_deque.h
	(std::deque<>::operator=): Call _M_assign_aux.
	(std::deque<>::assign(initializer_list<>)): Likewise.
	(std::deque<>::resize(size_t, const value_type&)): Call _M_fill_insert.
	(std::deque<>::insert(const_iterator, initializer_list<>)):
	Call _M_range_insert_aux.
	(std::deque<>::_M_assign_aux<It>(It, It, std::forward_iterator_tag):
	Likewise.
	(std::deque<>::_M_fill_assign): Call _M_fill_insert.
	(std::deque<>::_M_move_assign2): Call _M_assign_aux.
	* include/bits/deque.tcc
	(std::deque<>::operator=): Call _M_range_insert_aux.
	(std::deque<>::_M_assign_aux<It>(It, It, std::input_iterator_tag)):
	Likewise.
	* include/bits/stl_vector.h
	(std::vector<>::operator=): Call _M_assign_aux.
	(std::vector<>::assign(initializer_list<>)): Likewise.
	(std::vector<>::resize(size_t, const value_type&)): Call _M_fill_insert.
	(std::vector<>::insert(const_iterator, initializer_list<>)):
	Call _M_range_insert.
	* include/bits/vector.tcc (std::vector<>::_M_assign_aux): Likewise.

2016-06-07  François Dumont  <fdumont@gcc.gnu.org>

	* include/std/tuple (_Head_base<>): Default specialization condition at
	type declaration.

2016-06-06  Ville Voutilainen  <ville.voutilainen@gmail.com>

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

2016-06-06  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/71320
	* src/filesystem/ops.cc (permissions(const path&, perms, error_code&)):
	Add or remove permissions according to perms argument.
	* testsuite/experimental/filesystem/operations/permissions.cc: New
	test.

2016-06-05  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Protect allocator-overloads of tuple-from-tuple constructors
	from cases that would create dangling references.
	* include/std/tuple (tuple(allocator_arg_t, const _Alloc&,
	const tuple<_UElements...>&), tuple(allocator_arg_t, const _Alloc&,
	tuple<_UElements...>&&)): Add a check for _NonNestedTuple.
	* testsuite/20_util/tuple/cons/nested_tuple_construct.cc: Adjust.

2016-05-29  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/xml/manual/backwards_compatibility.xml: Adjust
	lists.debian.org link to https.
	* doc/html/manual/backwards.html: Regenerate.

2016-05-27  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/abi.xml: Adjust URL to use https.
	* doc/html/manual/*: Regenerate.

2016-05-27  Ville Voutilainen  <ville.voutilainen@gmail.com>

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

2016-05-25  Jonathan Wakely  <jwakely@redhat.com>

	* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Fix test for sendfile.
	* configure: Regenerate.
	* config.h.in: Regenerate.

	* include/bits/c++config (_GLIBCXX14_USE_CONSTEXPR): Remove it.
	* include/bits/hashtable_policy.h (_Power2_rehash_policy::_M_next_bkt):
	Remove const qualification on function. Replace
	_GLIBCXX14_USE_CONSTEXPR on automatic variables with const.
	(_Power2_rehash_policy::_M_need_rehash): Remove const qualification.
	(_Power2_rehash_policy::_M_next_bkt): Remove mutable specifier.

2016-05-24  François Dumont  <fdumont@gcc.gnu.org>

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

2016-05-24  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/stl_queue.h (priority_queue::value_compare): Define.

2016-05-23  François Dumont  <fdumont@gcc.gnu.org>

	* include/debug/safe_iterator.h
	(_Safe_iterator<>::operator->()): Implement using underlying iterator
	operator ->.
	* include/debug/safe_local_iterator.h
	(_Safe_local_iterator<>::operator->()): Likewise.

2016-05-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>

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

2016-05-13  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/71073
	* include/debug/bitset: Add #pragma GCC system_header.
	* include/debug/deque: Likewise.
	* include/debug/list: Likewise.
	* include/debug/map: Likewise.
	* include/debug/set: Likewise.
	* include/debug/string: Likewise.
	* include/debug/unordered_map: Likewise.
	* include/debug/unordered_set: Likewise.
	* include/debug/vector: Likewise.
	* include/debug/functions.h: Adjust whitespace.

2016-05-12  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/71081
	* testsuite/experimental/memory_resource/1.cc: Require atomics.

2016-05-11  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/71049
	* src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_DUAL_ABI]: Don't define
	exception constructors with __sso_string parameters.

2016-05-10  Jonathan Wakely  <jwakely@redhat.com>

	* include/experimental/bits/fs_dir.h (begin, end): Add noexcept.
	* testsuite/experimental/filesystem/iterators/directory_iterator.cc:
	Test begin and end functions.
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Likewise.

	PR libstdc++/71038
	* src/filesystem/ops.cc (do_copy_file): Fix backwards conditions.
	* testsuite/experimental/filesystem/operations/copy_file.cc: New test.

	* include/experimental/bits/fs_dir.h (__directory_iterator_proxy):
	Overload operator* to move from rvalues.

	PR libstdc++/71036
	* src/filesystem/ops.cc (create_dir): Handle EEXIST from mkdir.
	* testsuite/experimental/filesystem/operations/create_directory.cc:
	New test.

	PR libstdc++/71037
	* src/filesystem/ops.cc (canonical(const path&, const path&)): Add
	base path to exception.
	* testsuite/experimental/filesystem/operations/canonical.cc: Test
	paths contained in exception.

	* testsuite/experimental/type_erased_allocator/2.cc: Remove unused
	using declaration.

	PR libstdc++/71005
	* include/experimental/bits/fs_dir.h (__directory_iterator_proxy):
	New type.
	(directory_iterator::operator++(int)): Return proxy.
	(recursive_directory_iterator::operator++(int)): Likewise.
	* testsuite/experimental/filesystem/iterators/directory_iterator.cc:
	Test post-increment.
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Likewise.

2016-05-09  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/71004
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Fix test02 to not call member
	functions on invalid iterator, and use VERIFY not assert.

2016-05-09  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Avoid endless run-time recursion for copying single-element
	tuples where the element type is by-value constructible
	from any type.
	* include/std/tuple (_NotSameTuple): New.
	* include/std/tuple (tuple(_UElements&&...): Use it.
	* testsuite/20_util/tuple/cons/element_accepts_anything_byval.cc: New.

2016-05-09  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/71004
	* include/experimental/bits/fs_dir.h (recursive_directory_iterator):
	Initialize scalar member variables in default constructor.
	* testsuite/experimental/filesystem/iterators/
	recursive_directory_iterator.cc: Test default construction.

2016-05-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* testsuite/lib/libstdc++.exp (libstdc++_init): Enable on *-*-solaris*.

2016-05-05  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/experimental/filesystem/path/native/string.cc: Add
	dg-require-filesystem-ts directive.

2016-05-04  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/70940
	* include/experimental/memory_resource
	(__resource_adaptor_imp::do_allocate): Do not default-construct
	rebound allocator.
	(__resource_adaptor_imp::do_deallocate): Likewise. Use
	allocator_traits to get pointer type.
	(__null_memory_resource::do_allocate): Remove unused parameters.
	(__null_memory_resource::do_deallocate): Likewise.
	(__null_memory_resource::do_is_equal): Likewise. Add return statement.
	* testsuite/experimental/type_erased_allocator/1.cc: Combine with ...
	* testsuite/experimental/type_erased_allocator/1_neg.cc: This, and
	move to ...
	* testsuite/experimental/memory_resource/1.cc: Here.
	* testsuite/experimental/memory_resource/null_memory_resource.cc: New.
	* testsuite/experimental/memory_resource/resource_adaptor.cc: New.

2016-04-29  Chris Gregory  <czipperz@gmail.com>

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

2016-04-28  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/70766
	* include/bits/basic_ios.tcc (basic_ios::_M_cache_locale): Use
	__addressof.
	* include/bits/stream_iterator.h (istream_iterator, ostream_iterator):
	Likewise.
	* include/std/atomic (atomic<_Tp>): Likewise.
	* include/std/shared_mutex (shared_lock): Likewise.
	* testsuite/24_iterators/istream_iterator/70766.cc: New test.
	* testsuite/24_iterators/ostream_iterator/70766.cc : New test.
	* testsuite/29_atomics/atomic/60695.cc: Adjust dg-error line number.
	* testsuite/29_atomics/atomic/70766.cc: New test.
	* testsuite/30_threads/shared_lock/70766.cc: New test.

	* include/bits/hashtable_policy.h (__detail::_Insert_base,
	__detail::_Insert): Improve comments.

2016-04-27  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/70767
	* include/std/limits: Update comments about DRs.
	(numeric_limits<const _Tp>, numeric_limits<volatile _Tp>,
	numeric_limits<const volatile _Tp>): Define unconditionally.

2016-04-24  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/70762
	* testsuite/util/testsuite_fs.h (__gnu_test::nonexistent_path): Use
	static counter to return a different path on every call.

2016-04-22  Tim Shen  <timshen@google.com>

	PR libstdc++/70745
	* include/bits/regex_executor.tcc (_Executor<>::_M_word_boundary):
	Fix the match_not_bow and match_not_eow behavior.
	* testsuite/28_regex/regression.cc: Add testcase.

2016-04-20  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/69703
	* src/c++11/codecvt.cc (__codecvt_utf8_base<char16_t>::do_in,
	__codecvt_utf8_utf16_base<char16_t>::do_in): Fix mask operations.

2016-04-19  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/69703
	* src/c++11/codecvt.cc (__codecvt_utf8_base<char16_t>::do_in):
	Override endianness bit in mode.
	* testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: New test.
	* testsuite/22_locale/codecvt/codecvt_utf8_utf16/66855.cc: Test
	that little_endian mode is ignored.
	* testsuite/experimental/filesystem/path/native/string.cc: New test.

	PR libstdc++/70609
	* src/filesystem/ops.cc (close_fd): New function.
	(do_copy_file): Set permissions before copying file contents. Check
	result of closing file descriptors. Don't copy streambuf when file
	is empty.
	(copy(const path&, const path&, copy_options, error_code&)): Use
	lstat for source file when copy_symlinks is set.
	* testsuite/experimental/filesystem/operations/copy.cc: Test copy().

	* include/experimental/bits/fs_fwd.h (operator&, operator|, operator^,
	operator~ operator&=, operator|=, operator^=): Add noexcept to
	overloaded operators for copy_options, perms and directory_options.
	* src/filesystem/ops.cc (make_file_type, make_file_status,
	is_not_found_errno, file_time): Add noexcept.

2016-04-19  Edward Smith-Rowland  <3dw4rd@verizon.net>

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

2016-04-18  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/41759
	* include/bits/random.h: Reword static assertion messages to state
	positive conditions.
	* include/bits/random.tcc: Likewise.
	* include/bits/uniform_int_dist.h: Likewise.
	* testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error
	patterns.

	* include/std/function (_Bind, _Bind_result): Remove unused typedefs.

	* config/cpu/sh/atomicity.h: Fix typo in comment.

	PR libstdc++/70294
	* include/std/thread (operator<, operator==): Move definitions to
	namespace-scope.
	* testsuite/30_threads/thread/id/70294.cc: New test.

	* testsuite/18_support/bad_exception/23591_thread-1.c: Add
	-Wno-pedantic to dg-options.
	* testsuite/20_util/align/2.cc: Use type as operand of alignof.
	* testsuite/20_util/is_floating_point/value.cc: Add -Wno-pedantic
	to dg-options.
	* testsuite/20_util/specialized_algorithms/uninitialized_fill/32158.cc:
	Remove extra semi-colon.
	* testsuite/23_containers/array/tuple_interface/tuple_element.cc:
	Always supply second argument to static_assert.
	* testsuite/25_algorithms/lower_bound/no_operator_ne.cc: Remove extra
	semi-colon.
	* testsuite/26_numerics/complex/c99.cc: Add -Wno-pedantic to
	dg-options.
	* testsuite/26_numerics/complex/literals/values.cc: Likewise.
	* testsuite/29_atomics/atomic/60695.cc: Likewise.
	* testsuite/29_atomics/atomic/62259.cc: use __alignof__ instead of
	alignof when operand is an object not a type.
	* testsuite/decimal/ctor.cc: Add -Wno-pedantic to dg-options.
	* testsuite/decimal/make-decimal.cc: Likewise.
	* testsuite/experimental/type_traits/value.cc: Always supply second
	argument to static_assert.
	* testsuite/util/testsuite_common_types.h: Use __extension__ for
	__int128 types.

	* testsuite/experimental/type_erased_allocator/1.cc: Don't include
	internal header.
	* testsuite/experimental/type_erased_allocator/1_neg.cc: Likewise.
	* testsuite/experimental/type_erased_allocator/2.cc: Likewise.
	* testsuite/experimental/type_erased_allocator/uses_allocator.cc:
	Likewise. Add licence and change to compile-only test.

	* include/bits/locale_facets.h (ctype::do_narrow): Add attribute to
	unused parameter.
	* include/bits/regex_automaton.h (_NFA::_M_insert_alt): Likewise.

	* include/ext/string_conversions.h (__stoa): Avoid -Wsign-compare
	warnings.

2016-04-17  Edward Smith-Rowland  <3dw4rd@verizon.net>

	* include/bits/specfun.h: Trivial comment misspelling.

2016-04-14  Jason Merrill  <jason@redhat.com>

	Revert Jonathan's empty ABI change from yesterday.

2016-04-13  Martin Sebor  <msebor@redhat.com>

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

2016-04-13  Jonathan Wakely  <jwakely@redhat.com>

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

2016-04-12  Edward Smith-Rowland  <3dw4rd@verizon.net>

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

2016-04-07  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/30_threads/thread/70503.cc: Adjust from xfail to pass.

2016-04-06  Eric Botcazou  <ebotcazou@adacore.com>

	* src/Makefile.am (libstdc++-symbols.ver): Remove useless /dev/null.
	* src/Makefile.in: Regenerate.

2016-04-05  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/70554
	* acinclude.m4 (GLIBCXX_ENABLE_ATOMIC_BUILTINS): Don't test
	__atomic_fetch_add for bool.
	* configure: Regenerate.

	* testsuite/30_threads/thread/70503.cc: Require -static to work.

	PR libstdc++/70503
	* src/c++11/thread.cc (execute_native_thread_routine,
	execute_native_thread_routine_compat): Give internal linkage.
	* testsuite/30_threads/thread/70503.cc: New test.

2016-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>

	PR libstdc++/70437
	* include/bits/stl_pair.h (_ConstructiblePair,
	_ImplicitlyConvertiblePair, _MoveConstructiblePair,
	_ImplicitlyMoveConvertiblePair): Add shortcut conditions
	for same-type cases.
	* testsuite/20_util/pair/70437.cc: New.

2016-03-24  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/69945
	* config/abi/pre/gnu.ver: Add new symbol.
	* libsupc++/eh_alloc.cc (__gnu_cxx::__freeres): Define.
	* testsuite/18_support/free_eh_pool.cc: New test.

2016-03-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>

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

2016-02-24  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/69939
	* include/experimental/tuple (__apply_impl): Qualify get and forward.

2016-02-23  Jonathan Wakely  <jwakely@redhat.com>

	* doc/xml/manual/using.xml: Document __STDCPP_WANT_MATH_SPEC_FUNCS__.
	* doc/html/*: Regenerate.

	PR libstdc++/69893
	* include/tr1/cmath (acosh, asinh, atanh, cbrt, copysign, erf, erfc,
	exp2, expm1, fdim, fma, fmax, fmin, hypot, ilogb, lgamma, llrint,
	llround, log1p, log2, logb, lrint, lround, nan, nearbyint, nextafter,
	nexttoward, remainder, remquo, rint, round, scalbln, scalbn, tgamma,
	trunc) [__cplusplus >= 201103L]: Import from namespace std.
	(fabs) [__cplusplus < 201103L]: Import from namespace std.
	* include/tr1/complex (acosh, asinh, atanh) [__cplusplus >= 201103L]:
	Likewise.
	* testsuite/tr1/headers/c++200x/complex.cc: Add std::fabs to global
	namespace before including TR1 headers.
	* testsuite/tr1/headers/c++200x/math.cc: New test.

2016-02-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>

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

2016-02-16  Tim Shen  <timshen@google.com>

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

2016-02-08  Jonathan Wakely  <jwakely@redhat.com>

	* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Remove accidentally
	added 'constexpr' in previous commit.
	* configure: Regenerate.

	PR libstdc++/48891
	* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Enable isinf and isnan
	checks for all targets except *-*-solaris2.* and ensure we find the
	libc math.h header not our own.
	* configure: Regenerate.

2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>

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

2016-02-04  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/69626
	* acinclude.m4 (GLIBCXX_ENABLE_C99): Check C99 stdlib.h functions
	with -std=c++98 and define _GLIBCXX98_USE_C99_STDLIB.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* testsuite/21_strings/c_strings/char/69626.cc: New.

	* doc/html/index.html: Regenerate.

	* doc/xml/manual/containers.xml: Add cross-reference to Dual ABI.
	* doc/xml/manual/spine.xml: Update copyright years and author blurb.
	* doc/html/*: Regenerate.

2016-02-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>

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

2016-01-29  Jonathan Wakely  <jwakely@redhat.com>

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

2016-01-28  John David Anglin  <danglin@gcc.gnu.org>

	PR libstdc++/69450
	* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Split check for obsolete
	isinf and isnan functions into two independent checks.  Check on hpux.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* include/c_global/cmath (isinf(double), isnan(double)): Use
	_GLIBCXX_HAVE_OBSOLETE_ISINF and _GLIBCXX_HAVE_OBSOLETE_ISNAN,
	respectively.

2016-01-27  Jakub Jelinek  <jakub@redhat.com>

	* testsuite/libstdc++-prettyprinters/whatis.cc: Include <random>.

2016-01-27  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/69295
	* testsuite/ext/special_functions/hyperg/check_value.cc: Use
	-ffp-contract=off, and -ffloat-store to disable excess precision.
	* testsuite/special_functions/02_assoc_legendre/check_value.cc: Use
	-ffp-contract=off.

2016-01-26  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/69478
	* include/bits/stl_algobase.h (__copy_move<_IsMove, true,
	random_access_iterator_tag>): Check is_move_assignable when moving.
	(__copy_move_backwards<_IsMove, true, random_access_iterator_tag>):
	Likewise.
	* testsuite/25_algorithms/copy/move_iterators/69478.cc: New.
	* testsuite/25_algorithms/copy_backward/move_iterators/69478.cc: New.
	* testsuite/25_algorithms/move/69478.cc: New.
	* testsuite/25_algorithms/move_backward/69478.cc: new.

2016-01-26  Andris Pavenis  <andris.pavenis@iki.fi>

	* include/c_compatibility/stdlib.h: Include wide character related
	definitions only when they are available in cstdlib.

2016-01-25  Jonathan Wakely  <jwakely@redhat.com>

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

2016-01-23  John David Anglin  <danglin@gcc.gnu.org>

	PR libstdc++/69446
	* config/os/hpux/os_defines.h (_GLIBCXX_USE_WEAK_REF): Define.

2016-01-22  Edward Smith-Rowland  <3dw4rd@verizon.net>

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

2016-01-22  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/69116
	* include/bits/valarray_before.h (__fun, __fun_with_valarray): Only
	define result_type for types which can be safely used with valarrays.
	* testsuite/26_numerics/valarray/69116.cc: New.

	PR libstdc++/69413
	* config/os/gnu-linux/os_defines.h: Define
	_GLIBCXX_NO_OBSOLETE_ISINF_ISNAN_DYNAMIC.
	* include/c_global/cmath (isinf, isnan): Check it.
	* doc/xml/manual/internals.xml: Document it.
	* doc/html/*: Regenerate.

2016-01-21  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/69406
	* include/bits/cpp_type_traits.h: Ensure C++ language linkage.
	* include/ext/type_traits.h: Likewise.
	* testsuite/17_intro/headers/c++2011/linkage.cc: Check autoconf macros
	for presence of C headers.
	* testsuite/ext/type_traits/add_unsigned_floating_neg.cc: Adjust
	dg-error line number.
	* testsuite/ext/type_traits/add_unsigned_integer_neg.cc: Likewise.
	* testsuite/ext/type_traits/remove_unsigned_floating_neg.cc: Likewise.
	* testsuite/ext/type_traits/remove_unsigned_integer_neg.cc: Likewise.

2016-01-20  Torvald Riegel  <triegel@redhat.com>

	PR libstdc++/69310
	* config/os/bsd/darwin/os_defines.h (_GLIBCXX_USE_WEAK_REF): Define.

2016-01-20  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/60401
	* include/c_compatibility/math.h (acosh, asinh, atanh, acbrt,
	copysign, erf, erfc, exp2, expm1, fdim, fma, fmax, fmin, hypot, ilogb,
	lgamma, llrint, llround, log1p, log2, logb, lrint, lround, nearbyint,
	nextafter, nexttoward, remainder, remquo, rint, round, scalbln, scalbn,
	tgamma, trunc) [__cplusplus >= 201103L && _GLIBCXX_USE_C99_MATH_TR1]:
	Add using declarations.
	* testsuite/26_numerics/headers/cmath/60401.cc: New.

	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.

2016-01-19  Jonathan Wakely  <jwakely@redhat.com>

	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.

2016-01-18  Torvald Riegel  <triegel@redhat.com>

	* 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.

2016-01-18  Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/60637
	* testsuite/26_numerics/headers/cmath/60637.cc: Add test.

	PR libstdc++/69243
	* 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.

	PR libstdc++/69340
	* src/c++11/cow-stdexcept.cc (_txnal_cow_string_C1_for_exceptions):
	Use macros for exception handling and fix unused parameter warning.

2016-01-17  John David Anglin  <danglin@gcc.gnu.org>

	PR libstdc++/68734
	* config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.

2016-01-17  Torvald Riegel  <triegel@redhat.com>

	* src/c++11/cow-stdexcept.cc (txnal_read_ptr): Fix static_assert.

2016-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	* config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Add
	__int128 symbols.

2016-01-15  Jonathan Wakely  <jwakely@redhat.com>

	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.

	PR libstdc++/69294
	* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Check for obsolete isinf
	and isnan on AIX. Quote variables.
	* configure: Regenerate.

2016-01-15  Torvald Riegel  <triegel@redhat.com>

	* include/bits/basic_string.h (basic_string): Declare friends.
	* include/bits/c++config (_GLIBCXX_TXN_SAFE,
	_GLIBCXX_TXN_SAFE_DYN, _GLIBCXX_USE_ALLOCATOR_NEW): New.
	* include/std/stdexcept (logic_error, domain_error, invalid_argument,
	length_error, out_of_range, runtime_error, range_error,
	underflow_error, overflow_error): Declare members as transaction-safe.
	(logic_error, runtime_error): Declare friend functions.
	* libsupc++/exception (exception, bad_exception): Declare members as
	transaction-safe.
	* src/c++11/cow-stdexcept.cc: Define transactional clones for the
	transaction-safe members of exceptions and helper functions.
	* libsupc++/eh_exception.cc: Adjust and define transactional clones.
	* config/abi/pre/gnu.ver (GLIBCXX_3.4.22) Add transactional clones.
	(CXXABI_1.3.10): New.
	* acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): New.
	(GLIBCXX_ENABLE_ALLOCATOR): Set ENABLE_ALLOCATOR_NEW.
	* configure.ac: Call GLIBCXX_CHECK_SIZE_T_MANGLING.
	* include/Makefile.am: Write ENABLE_ALLOCATOR_NEW to c++config.h.
	* include/Makefile.in: Regenerate.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* testsuite/util/testsuite_abi.cc (check_version): Add CXXABI_1.3.10.

2016-01-15  Steve Ellcey  <sellcey@imgtec.com>

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

2016-01-15  Jonathan Wakely  <jwakely@redhat.com>

	* include/bits/std_mutex.h: Fix Doxygen @file name.

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.

2016-01-13  Jonathan Wakely  <jwakely@redhat.com>

	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.

2016-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR libstdc++/66006
	* configure.host (abi_baseline_pair): Use separate baseline for
	Solaris 11+ and Solaris 10 with gld.
	* config/abi/post/solaris2.11/amd64/baseline_symbols.txt: New file.
	* config/abi/post/solaris2.11/baseline_symbols.txt: New file.
	* config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: New file.

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.

2016-01-12  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/20_util/function/68995.cc: Test reference_wrapper cases.

	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.

2016-01-11  Jonathan Wakely  <jwakely@redhat.com>

	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.

2016-01-08  Jonathan Wakely  <jwakely@redhat.com>

	* testsuite/26_numerics/headers/cmath/
	c99_classification_macros_c++.cc: Rename to ...
	* testsuite/26_numerics/headers/cmath/
	c99_classification_macros_c++98.cc: Here and add -std=gnu++98.
	* testsuite/26_numerics/headers/cmath/
	c99_classification_macros_c++0x.cc: Rename to ...
	* testsuite/26_numerics/headers/cmath/
	c99_classification_macros_c++11.cc: Here.

	PR libstdc++/69190
	* include/bits/uses_allocator.h: Add missing include.

2016-01-07  Jonathan Wakely  <jwakely@redhat.com>

	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.

2016-01-06  Jonathan Wakely  <jwakely@redhat.com>

	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.

	* 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.

2016-01-04  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

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