2017-08-14 Release Manager * GCC 7.2.0 released. 2017-07-26 Richard Biener Backport from mainline 2017-06-02 Richard Biener Markus Eisenmann PR libstdc++/80721 * libsupc++/eh_alloc.cc (pool::free): Keep list properly sorted and add missing freelist item merging cases. 2017-07-25 Jonathan Wakely Backport from mainline 2017-06-09 Jonathan Wakely * doc/xml/manual/intro.xml: Document LWG 2802, 2873 and 2942 changes. * include/bits/shared_ptr.h (shared_ptr): Use rvalues for deleters (LWG 2802). * include/bits/shared_ptr_base.h (_Sp_ebo_helper, _Sp_counted_deleter (_Sp_counted_deleter::_Impl, __shared_count, __shared_ptr): Likewise. * testsuite/20_util/shared_ptr/cons/lwg2802.cc: New. Backport from mainline 2017-06-05 Jonathan Wakely * include/bits/shared_ptr_base.h (__shared_ptr::owner_before) (__weak_ptr::owner_before, _Sp_owner_less::operator()): Add noexcept specifiers as per LWG 2873 and LWG 2942. * testsuite/20_util/owner_less/noexcept.cc: New. * testsuite/20_util/shared_ptr/observers/owner_before.cc: Test noexcept guarantees. * testsuite/20_util/weak_ptr/observers/owner_before.cc: Likewise. Backport from mainline 2017-04-28 Jonathan Wakely PR libstdc++/80553 * include/bits/stl_construct.h (_Destroy, _Destroy_n): Add static assertions to ensure type is destructible. (destroy_at, destroy, destroy_n): Move from stl_uninitialized.h. * include/bits/stl_uninitialized.h (destroy_at, destroy, destroy_n): Move to stl_construct.h. * testsuite/20_util/specialized_algorithms/memory_management_tools/ destroy_neg.cc: New test. * testsuite/23_containers/vector/cons/destructible_neg.cc: New test. Backport from mainline 2017-05-16 Jonathan Wakely * configure: Regenerate. * doc/xml/manual/status_cxx2017.xml: Update status table. * doc/html/*: Regenerate. * include/Makefile.am: Add new header. * include/Makefile.in: Regenerate. * include/experimental/source_location: New header implementing N4519. * testsuite/experimental/source_location/1.cc: New test. Backport from mainline 2017-07-06 Jonathan Wakely * include/bits/uses_allocator.h (__use_alloc(const _Alloc&&)): Add deleted overload to prevent dangling references to rvalues. * include/experimental/memory_resource (polymorphic_allocator::construct): Do not call __use_alloc with rvalue arguments. Backport from mainline 2017-06-08 Jonathan Wakely PR libstdc++/81017 * include/bits/std_function.h (function::function(function&&)) (function::operator=(funtion&&)): Add noexcept. * testsuite/20_util/function/assign/move.cc: Check for noexcept. * testsuite/20_util/function/cons/move.cc: Likewise. Backport from mainline 2017-07-15 Jonathan Wakely * include/std/mutex (scoped_lock): Reorder std::adopt_lock_t parameter as per P0739R0. * testsuite/30_threads/scoped_lock/cons/1.cc: Reorder arguments. * testsuite/30_threads/scoped_lock/cons/deduction.cc: Test deduction with std::adopt_lock_t. * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Check feature-test macro. Backport from mainline 2017-07-14 Jason Merrill Jonathan Wakely * include/std/variant (variant::variant(_Tp&&)): Constrain to remove the constructor for empty variants from the candidate functions during class template argument deduction. * testsuite/20_util/variant/deduction.cc: New. Backport from mainline 2017-06-02 Jonathan Wakely PR libstdc++/80939 * include/std/variant (__erased_ctor, __erased_assign, __erased_swap) (__erased_hash): Remove constexpr specifier and qualify calls to __ref_cast. (__erased_dtor): Remove constexpr specifier and use _Destroy. Backport from mainline 2017-05-20 Tim Shen PR libstdc++/80737 * include/std/variant(variant::variant): SFINAE on is_same first. * testsuite/20_util/variant/any.cc: test case. 2017-07-11 Jonathan Wakely Backport from mainline 2017-04-21 Jonathan Wakely PR libstdc++/80316 * include/std/future (_State_baseV2::_Setter::operator()): Remove _S_check calls that are done after the pointer to the shared state is already dereferenced. (_State_baseV2::_Setter<_Res, void>): Define specialization for void as partial specialization so it can be defined within the definition of _State_baseV2. (_State_baseV2::__setter): Call _S_check. (_State_baseV2::__setter(promise*)): Add overload for use by promise::set_value and promise::set_value_at_thread_exit. (promise, promise, promise): Make _State a friend. (_State_baseV2::_Setter): Remove explicit specialization. (promise::set_value, promise::set_value_at_thread_exit): Use new __setter overload. * testsuite/30_threads/promise/members/at_thread_exit2.cc: New test. * testsuite/30_threads/promise/members/set_exception.cc: Test promise and promise specializations. * testsuite/30_threads/promise/members/set_exception2.cc: Likewise. Test for no_state error condition. * testsuite/30_threads/promise/members/set_value2.cc: Likewise. 2017-06-27 Jonathan Wakely PR libstdc++/81221 * include/bits/stl_algo.h (sample): Qualify with _GLIBCXX_STD_A not std. * testsuite/25_algorithms/sample/81221.cc: New. 2017-06-21 Ville Voutilainen Backport from mainline 2017-06-21 Ville Voutilainen PR libstdc++/80675 PR libstdc++/80940 * include/std/istream: (__is_convertible_to_basic_istream_test(basic_istream<_Ch, _Up>*)): New. (__do_is_convertible_to_basic_istream_impl): Likewise. (__is_convertible_to_basic_istream_impl): Likewise. (__is_convertible_to_basic_istream): Use the new base. (__rvalue_istream_type): New. (operator>>(_Istream&&, _Tp&&)): Use the new helper alias for the SFINAE check, convert to the helper alias type before doing the actual extraction. * include/std/ostream: (__is_convertible_to_basic_ostream_test(basic_ostream<_Ch, _Up>*)): New. (__do_is_convertible_to_basic_ostream_impl): Likewise. (__is_convertible_to_basic_ostream_impl): Likewise. (__is_convertible_to_basic_ostream): Use the new base. (__rvalue_ostream_type): New. (operator<<(_Ostream&&, const _Tp&)): Use the new helper alias for the SFINAE check, convert to the helper alias type before doing the actual insertion. * testsuite/27_io/rvalue_streams-2.cc: Add new tests. 2017-06-21 Uros Bizjak * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update. 2017-06-21 Jonathan Wakely PR libstdc++/81092 * configure: Regenerate. 2017-06-19 Rainer Orth * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate. * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise. * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise. * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise. * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise. * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt: Likewise. * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise. * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt: Likewise. 2017-06-18 H.J. Lu PR libstdc++/81092 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated. 2017-06-16 Jakub Jelinek PR libstdc++/81092 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update. 2017-06-16 Jonathan Wakely * include/bits/locale_conv.h (wbuffer_convert::sync): Fix condition. * testsuite/22_locale/conversions/buffer/2.cc: New. * doc/xml/manual/appendix_contributing.xml: Link to the list of bad names, and link to the test docs and note higher DejaGnu version requirement. * doc/xml/manual/allocator.xml: Fix ViewCVS URLs. * doc/xml/manual/mt_allocator.xml: Likewise. * doc/xml/manual/test.xml: Correct instructions on running tests. * doc/html/*: Regenerate. PR libstdc++/81092 * acinclude.m4: Bump libtool_VERSION. * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update. * config/abi/pre/gnu.ver: Add wstring constructor symbols to new GLIBCXX_3.4.24 version. * doc/xml/manual/abi.xml: Document new versions. * doc/html/*: Regenerate. * testsuite/21_strings/basic_string/cons/char/8.cc: Use base object constructors to ensure required symbols are exported. * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise. * testsuite/util/testsuite_abi.cc: Add new version. * include/bits/locale_conv.h (wbuffer_convert::_M_put): Add missing return statement. * testsuite/21_strings/basic_string_view/operations/copy/char/1.cc: Return void. * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/1.cc: Likewise. * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc: Add missing return statements. * testsuite/23_containers/unordered_map/modifiers/insert_or_assign.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/char/12.cc: Return void. * testsuite/special_functions/14_expint/pr68397.cc: Likewise. 2017-06-07 Jonathan Wakely PR libstdc++/81002 * include/bits/regex_compiler.h (__compile_nfa): Add template argument list to specify traits type. * testsuite/28_regex/basic_regex/ctors/basic/iter.cc: New. 2017-05-19 Jonathan Wakely PR libstdc++/80796 * include/bits/stl_algo.h (search): Add new overload for C++17. * testsuite/25_algorithms/search/searcher.cc: New. 2017-05-18 Jonathan Wakely PR libstdc++/80478 * include/std/functional (_Mem_fn_traits_base): Add specializations for noexcept member function types. * testsuite/20_util/function_objects/mem_fn/80478.cc: New test. 2017-05-18 Jonathan Wakely * doc/xml/manual/policy_data_structures.xml: Fix typo. * doc/xml/manual/test_policy_data_structures.xml: Likewise. * doc/html/*: Regenerate. * doc/xml/manual/abi.xml: Document latest library versions. * doc/xml/manual/build_hacking.xml: Document requirement to update abi.xml when bumping library versions. * doc/html/*: Regenerate. 2017-05-15 Jonathan Wakely PR libstdc++/80761 * include/bits/node_handle.h (_Node_insert_return): Reorder members. (tuple_size, tuple_element): Remove partial specializations. * include/bits/stl_tree.h (_Rb_tree::insert_return_type): Use const_iterator for std::set. * testsuite/23_containers/map/modifiers/extract.cc: New. * testsuite/23_containers/set/modifiers/extract.cc: New. * testsuite/23_containers/unordered_map/modifiers/extract.cc: New. * testsuite/23_containers/unordered_set/modifiers/extract.cc: New. 2017-05-12 Jonathan Wakely PR libstdc++/78939 * include/std/utility (tuple_size) [__cplusplus > 201402L]: Only define partial specializations when tuple_size::value is valid. * testsuite/20_util/tuple/78939.cc: New. 2017-05-02 Release Manager * GCC 7.1.0 released. 2017-04-19 Jonathan Wakely * doc/xml/manual/abi.xml: Rephrase one of the references to the Itanium C++ ABI. * doc/xml/manual/test.xml: Document DejaGnu 1.5.3 requirement. * doc/html/*: Regenerate. * libsupc++/new: Update comment on #endif directive. PR libstdc++/80448 * include/experimental/bits/fs_dir.h (directory_iterator) (recursive_directory_iterator): Remove noexcept from defaulted constructors. PR libstdc++/80446 * include/std/type_traits (is_aggregate): Change __has_builtin checks. * libsupc++/new (launder): Likewise. 2017-04-18 Jonathan Wakely * include/std/functional (default_searcher, __boyer_moore_array_base) (__is_std_equal_to, __boyer_moore_base_t, boyer_moore_searcher) (boyer_moore_horspool_searcher): Remove redundant namespace qualification. (default_searcher::operator()): Construct return value early and advance second member in-place. (boyer_moore_horspool_searcher::operator()): Increment random access iterator directly instead of using std::next. (boyer_moore_searcher::operator()): Fix return value. * testsuite/20_util/function_objects/searchers.cc: Check both parts of return values. 2017-04-12 Gerald Pfeifer * doc/xml/faq.xml: Update reference link to C++ ABI for Itanium. * doc/xml/manual/abi.xml. Ditto (thrice). 2017-04-03 Jonathan Wakely * doc/xml/manual/status_cxx2017.xml: Remove duplicate table entry. * doc/html/*: Regenerate. * testsuite/20_util/reference_wrapper/invoke.cc: Uncomment tests that no longer fail. * include/bits/ios_base.h: Correct comment. * testsuite/util/testsuite_hooks.h: Likewise. * doc/xml/manual/status_cxx2017.xml: Update C++17 status table. * doc/xml/manual/appendix_contributing.xml (contrib.organization): Add directories for debug, parallel and profile headers. * doc/html/*: Regenerate. * include/bits/char_traits.h (__gnu_cxx::char_traits): Add _GLIBCXX14_CONSTEXPR on assign, compare, find, and length. (std::char_traits, std::char_traits): Add _GLIBCXX17_CONSTEXPR on assign. (std::char_traits, std::char_traits): Add _GLIBCXX17_CONSTEXPR on assign, compare, find, and length. * testsuite/21_strings/char_traits/requirements/ constexpr_functions_c++17.cc: New test. 2017-04-03 Ville Voutilainen PR libstdc++/79141 * include/bits/stl_pair.h (__nonesuch_no_braces): New. (operator=(typename conditional< __and_, is_copy_assignable<_T2>>::value, const pair&, const __nonesuch&>::type)): Change __nonesuch to __nonesuch_no_braces. (operator=(typename conditional< __not_<__and_, is_copy_assignable<_T2>>>::value, const pair&, const __nonesuch&>::type)): Likewise. (operator=(typename conditional< __and_, is_move_assignable<_T2>>::value, pair&&, __nonesuch&&>::type)): Likewise. * testsuite/20_util/pair/79141.cc: New. 2017-04-03 Ville Voutilainen Implement std::is_aggregate. * include/std/type_traits (is_aggregate, is_aggregate_v): New. * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc: New. * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise. * testsuite/20_util/is_aggregate/value.cc: Likewise. 2017-03-29 Ville Voutilainen Adjust optional's pretty printer for LWG 2900. * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter.__init__): Look at the nested payload in case of non-experimental optional. 2017-03-29 Ville Voutilainen Implement LWG 2900, The copy and move constructors of optional are not constexpr. * include/std/optional (_Optional_payload): New. (_Optional_base): Remove the bool parameter. (_Optional_base<_Tp, false>): Remove. (_Optional_base()): Adjust. (_Optional_base(nullopt_t)): Likewise. (_Optional_base(in_place_t, _Args&&...)): Likewise. (_Optional_base(in_place_t, initializer_list<_Up>, _Args&&...)): Likewise. (_Optional_base(const _Optional_base&)): Likewise. (_Optional_base(_Optional_base&&)): Likewise. (operator=(const _Optional_base&)): Likewise. (operator=(_Optional_base&&)): Likewise. (~_Optional_base()): Remove. (_M_is_engaged()): Adjust. (_M_get()): Likewise. (_M_construct(_Args&&...)): Likewise. (_M_destruct()): Likewise. (_M_reset()): Likewise. (_Optional_base::_Empty_byte): Remove. (_Optional_base::_M_empty): Remove. (_Optional_base::_M_payload): Adjust. * testsuite/20_util/optional/cons/value_neg.cc: Adjust. * testsuite/20_util/optional/constexpr/cons/value.cc: Add tests. 2017-03-28 Jonathan Wakely PR libstdc++/80137 * include/bits/random.tcc (generate_canonical): Use std::nextafter or numeric_limits::epsilon() to reduce out-of-range values. * testsuite/26_numerics/random/uniform_real_distribution/operators/ 64351.cc: Verify complexity requirement is met. * doc/xml/manual/abi.xml: Add xml:id anchor. * doc/xml/manual/using.xml (manual.intro.using.macros): Document _GLIBCXX_RELEASE. Link to new anchor for __GLIBCXX__ notes. (concurrency.io.structure): Add markup. * doc/html/*: Regenerate. PR libstdc++/80229 * include/bits/shared_ptr_base.h (__shared_ptr::_M_enable_shared_from_this_with): Change parameters to non-const and then use remove_cv to get unqualified type. * testsuite/20_util/enable_shared_from_this/members/const.cc: Don't cast away constness on object created const. * testsuite/20_util/shared_ptr/cons/80229.cc: New test. 2017-03-26 Markus Trippelsdorf PR libstdc++/80183 * include/bits/stl_tree.h: (_Rb_tree_header::_M_move_data(_Rb_tree_header&)): Also save _M_color. 2017-03-23 Jonathan Wakely * testsuite/23_containers/array/tuple_interface/ tuple_element_debug_neg.cc: Adjust dg-error. * testsuite/23_containers/list/operations/78389.cc: Fix less-than to define a valid strict weak ordering. * testsuite/23_containers/priority_queue/67085.cc: Disable test for Debug Mode, due to debug checks making extra copies of predicate. * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc: Likewise. * doc/xml/faq.xml: Add link. * doc/xml/manual/backwards_compatibility.xml: Remove outdated information on pre-ISO headers. Replace broken link to C++ FAQ Lite. * doc/xml/manual/io.xml: Update broken link. * doc/html/*: Regenerate. 2017-03-23 Daniel Kruegler Implement LWG 2686, Why is std::hash specialized for error_code, but not error_condition? * include/std/system_error (hash): Define for C++17. * testsuite/20_util/hash/operators/size_t.cc (hash): Instantiate test for error_condition. * testsuite/20_util/hash/requirements/explicit_instantiation.cc (hash): Instantiate hash. * include/bits/c++config (_GLIBCXX17_INLINE): Define. * include/bits/regex_constants.h (All std::regex_constants constants): Add _GLIBCXX17_INLINE as per P0607R0. * include/bits/std_mutex.h (defer_lock, try_to_lock, adopt_lock): Likewise. * include/bits/stl_pair.h (piecewise_construct): Likewise. * include/bits/uses_allocator.h (allocator_arg, uses_allocator_v) (__is_uses_allocator_constructible_v) (__is_nothrow_uses_allocator_constructible_v): Likewise. * include/std/chrono (treat_as_floating_point_v): Likewise. * include/std/functional (is_bind_expression_v, is_placeholder_v): Likewise. * include/std/optional (nullopt): Likewise. * 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, ignore): Likewise. (ignore): Declare ignore constexpr as per LWG 2773, declare assignment constexpr as per LWG 2933. * include/std/type_traits (All variable templates): Add _GLIBCXX17_INLINE as per P0607R0. * include/std/variant (variant_size_v, variant_npos, __index_of_v) (__tuple_count_v, __exactly_once): Likewise. * testsuite/18_support/headers/new/synopsis.cc (hardware_destructive_interference_size) (hardware_constructive_interference_size): Likewise for commented-out variables. * testsuite/20_util/tuple/creation_functions/constexpr.cc: Add new test function for constexpr std::ignore (LWG 2773). * testsuite/20_util/tuple/creation_functions/constexpr_cpp14.cc: New test for LWG 2933. 2017-03-22 Jonathan Wakely * include/bits/shared_ptr.h (shared_ptr, weak_ptr): Add deduction guides for C++17. * include/bits/std_function.h (function): Likewise. * include/bits/stl_pair.h (pair): Likewise. * include/debug/array (__gnu_debug::array): Likewise. * include/std/array (array): Likewise. * include/std/functional (make_default_searcher) (make_boyer_moore_searcher, make_boyer_moore_horspool_searcher): Remove generator functions. * include/std/tuple (tuple): Add deduction guides. * include/std/valarray (valarray): Likewise. * testsuite/20_util/function_objects/searchers.cc: Adjust to use class template argument deduction instead of generator functions. * testsuite/20_util/function/cons/deduction.cc: New test. * testsuite/20_util/optional/cons/deduction_guide.cc: Rename to ... * testsuite/20_util/optional/cons/deduction.cc: ... here. * testsuite/20_util/pair/cons/deduction.cc: New test. * testsuite/20_util/shared_ptr/cons/deduction.cc: New test. * testsuite/20_util/tuple/cons/deduction.cc: New test. * testsuite/20_util/tuple/element_access/get_neg.cc: Adjust dg-error. * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: New test. * testsuite/20_util/weak_ptr/cons/deduction.cc: New test. * testsuite/23_containers/array/cons/deduction.cc: New test. * testsuite/23_containers/array/cons/deduction_neg.cc: New test. * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adjust dg-error. * testsuite/23_containers/array/tuple_interface/get_neg.cc: Likewise. * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc: Likewise. * testsuite/26_numerics/valarray/deduction.cc: New test. * testsuite/30_threads/lock_guard/cons/deduction.cc: New test. * testsuite/30_threads/scoped_lock/cons/deduction.cc: New test. * testsuite/30_threads/unique_lock/cons/deduction.cc: New test. 2017-03-20 François Dumont * include/bits/stl_deque.h (deque): Access allocator value_type only if concept checks are enabled. * include/bits/stl_stack.h (stack): Likewise. * include/bits/stl_vector.h (vector): Likewise. * include/bits/stl_list.h (list): Likewise and check _SGIAssignableConcept only in C++03. * include/bits/stl_map.h (map): Likewise. * include/bits/stl_set.h (set): Likewise. * include/bits/stl_multimap.h (multimap): Likewise. * include/bits/stl_multiset.h (multiset): Likewise. * include/bits/stl_queue.h (queue, priority_queue): Likewise. 2017-03-18 Gerald Pfeifer * doc/xml/manual/appendix_contributing.xml: Convert link to ansi.org to https. Update link to the C++ standard at ansi.org. * doc/xml/faq.xml: Remove information redundant with the above; instead add a reference. 2017-03-17 Jonathan Wakely * src/c++11/codecvt.cc (range): Add non-type template parameter and define oerloaded operators for reading and writing code units. (range): Define partial specialization for accessing wide characters in potentially unaligned byte ranges. (ucs2_span(const char16_t*, const char16_t*, ...)) (ucs4_span(const char16_t*, const char16_t*, ...)): Change parameters to range in order to avoid unaligned reads. (__codecvt_utf16_base::do_out) (__codecvt_utf16_base::do_out) (__codecvt_utf16_base::do_out): Use range specialization for unaligned data to avoid unaligned writes. (__codecvt_utf16_base::do_in) (__codecvt_utf16_base::do_in) (__codecvt_utf16_base::do_in): Likewise for writes. Return error if there are unprocessable trailing bytes. (__codecvt_utf16_base::do_length) (__codecvt_utf16_base::do_length) (__codecvt_utf16_base::do_length): Pass arguments of type range to span functions. * testsuite/22_locale/codecvt/codecvt_utf16/misaligned.cc: New test. 2017-03-16 Jonathan Wakely PR libstdc++/79980 * src/c++11/codecvt.cc (to_integer(codecvt_mode)): Fix target type. PR libstdc++/80041 * src/c++11/codecvt.cc (__codecvt_utf16_base::do_out) (__codecvt_utf16_base::do_in): Convert char arguments to char16_t to work with UTF-16 instead of UTF-8. * testsuite/22_locale/codecvt/codecvt_utf16/80041.cc: New test. * src/c++11/codecvt.cc (codecvt) (codecvt, __codecvt_utf8_base) (__codecvt_utf8_base, __codecvt_utf8_base) (__codecvt_utf16_base, __codecvt_utf16_base) (__codecvt_utf16_base, __codecvt_utf8_utf16_base) (__codecvt_utf8_utf16_base) (__codecvt_utf8_utf16_base): Fix do_encoding() and do_max_length() return values. * testsuite/22_locale/codecvt/codecvt_utf16/members.cc: New test. * testsuite/22_locale/codecvt/codecvt_utf8/members.cc: New test. * testsuite/22_locale/codecvt/codecvt_utf8_utf16/members.cc: New test. PR libstdc++/79980 * include/bits/locale_conv.h (__do_str_codecvt): Set __count on error path. * src/c++11/codecvt.cc (operator&=, operator|=, operator~): Overloads for manipulating codecvt_mode values. (read_utf16_bom): Compare input to BOM constants instead of integral constants that depend on endianness. Take mode parameter by reference and adjust it, to distinguish between no BOM present and UTF-16BE BOM present. (ucs4_in, ucs2_span, ucs4_span): Adjust calls to read_utf16_bom. (surrogates): New enumeration type. (utf16_in, utf16_out): Add surrogates parameter to choose between UTF-16 and UCS2 behaviour. (utf16_span, ucs2_span): Use std::min not std::max. (ucs2_out): Use std::min not std::max. Disallow surrogate pairs. (ucs2_in): Likewise. Adjust calls to read_utf16_bom. * testsuite/22_locale/codecvt/codecvt_utf16/79980.cc: New test. * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: New test. PR libstdc++/79511 * src/c++11/codecvt.cc (write_utf16_code_point): Don't write 0xffff as a surrogate pair. (__codecvt_utf8_utf16_base::do_in): Use native endianness for internal representation. (__codecvt_utf8_utf16_base::do_in): Likewise. * testsuite/22_locale/codecvt/codecvt_utf8_utf16/79511.cc: New test. PR libstdc++/80064 * include/bits/stl_heap.h (__is_heap, push_heap, __adjust_heap) (pop_heap, make_heap, sort_heap, is_heap_until, is_heap): Cope with invalid instantiations using function types for _Compare argument. * testsuite/25_algorithms/make_heap/80064.cc: New test. PR libstdc++/67440 * python/libstdcxx/v6/printers.py (find_type): Avoid gdb.Type.name for GDB 7.6 compatibility, use gdb.Type.unqualified instead. 2017-03-15 Ville Voutilainen Implement LWG 2857, {variant,optional,any}::emplace should return the constructed value. * include/std/any (emplace(_Args&&...)): Change the return type and return a reference to the constructed value. (emplace(initializer_list<_Up>, _Args&&...)): Likewise. * include/std/optional (emplace(_Args&&...)): Likewise. (emplace(initializer_list<_Up>, _Args&&...)): Likewise. * include/std/variant (emplace<_Tp>(_Args&&...)): Likewise. (emplace<_Tp>(initializer_list<_Up>, _Args&&...)): Likewise. (emplace<_Np>(_Args&&...)): Likewise. (emplace<_Np>(initializer_list<_Up>, _Args&&...)): Likewise. * testsuite/20_util/any/assign/emplace.cc: Add tests for checking the return value of emplace. * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust. * testsuite/20_util/optional/assignment/6.cc: Add tests for checking the return value of emplace. * testsuite/20_util/variant/run.cc: Likewise. 2017-03-15 Xi Ruoyao PR libstdc++/62045 * include/ext/pb_ds/qdetail/binary_heap_/binary_heap_.hpp (is_heap): Remove. (push_heap): Remove the wrong checking using is_heap. (make_heap): Remove the assertion using is_heap. * include/ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp (modify): Ditto. (resize_for_insert_if_needed): Add PB_DS_ASSERT_VALID after calling make_heap. 2017-03-15 Jonathan Wakely PR libstdc++/62045 * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc: New test. * testsuite/ext/pb_ds/regression/priority_queues.cc: Fix copy&paste error in comment. 2017-03-15 Jonathan Wakely * acinclude.m4 (GLIBCXX_CHECK_S_ISREG_OR_S_IFREG): Fix typo in comment. * config.h.in: Regenerate. * configure: Regenerate. * doc/Makefile.in: Regenerate. 2017-03-14 Jonathan Wakely PR libstdc++/79162 * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string::operator=(basic_string_view)): Replace with a constrained template. [!_GLIBCXX_USE_CXX11_ABI] (basic_string::operator=(basic_string_view)): Likewise. * testsuite/21_strings/basic_string/cons/char/79162.cc: New test. * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: New test. 2017-03-13 Ville Voutilainen PR libstdc++/80034 * include/bits/list.tcc (merge(list&&)): Use const for the size_t in the catch-block. (merge(list&&, _StrictWeakOrdering)): Likewise. * testsuite/23_containers/list/operations/80034.cc: New. 2017-03-13 Ville Voutilainen Implement LWG 2806, Base class of bad_optional_access. * include/std/optional (bad_optional_access): Derive from std::exception. (bad_optional_access::bad_optional_access): Adjust. (bad_optional_access::what): New. (__throw_bad_optional_access(const char*)): Remove the parameter and adjust calls. * testsuite/20_util/optional/cons/value_neg.cc: Adjust. * testsuite/20_util/optional/typedefs.cc: Likewise. 2017-03-12 Ville Voutilainen Implement LWG 2934, optional doesn't compare with T. * include/std/optional (operator==(const optional<_Tp>&, const optional<_Tp>&)): Turn into operator==(const optional<_Tp>&, const optional<_Up>&). (operator!=(const optional<_Tp>&, const optional<_Tp>&)): Turn into operator!=(const optional<_Tp>&, const optional<_Up>&). (operator<(const optional<_Tp>&, const optional<_Tp>&)): Turn into operator<(const optional<_Tp>&, const optional<_Up>&. (operator>(const optional<_Tp>&, const optional<_Tp>&)): Turn into operator>(const optional<_Tp>&, const optional<_Up>&. (operator<=(const optional<_Tp>&, const optional<_Tp>&)): Turn into operator<=(const optional<_Tp>&, const optional<_Up>&). (operator>=(const optional<_Tp>&, const optional<_Tp>&)): Turn into operator>=(const optional<_Tp>&, const optional<_Up>&). (operator==(const optional<_Tp>&, const _Tp&)): Turn into operator==(const optional<_Tp>&, const _Up&). (operator==(const _Tp&, const optional<_Tp>&)): Turn into operator==(const _Up&, const optional<_Tp>&). (operator!=(const optional<_Tp>&, const _Tp&)): Turn into operator!=(const optional<_Tp>&, const _Up&). (operator!=(const _Tp&, const optional<_Tp>&)): Turn into operator!=(const _Up&, const optional<_Tp>&). (operator<(const optional<_Tp>&, const _Tp&)): Turn into operator<(const optional<_Tp>&, const _Up&). (operator<(const _Tp&, const optional<_Tp>&)): Turn into operator<(const _Up&, const optional<_Tp>&). (operator>(const optional<_Tp>&, const _Tp&)): Turn into operator>(const optional<_Tp>&, const _Up&). (operator>(const _Tp&, const optional<_Tp>&)): Turn into operator>(const _Up&, const optional<_Tp>&). (operator<=(const optional<_Tp>&, const _Tp&)): Turn into operator<=(const optional<_Tp>&, const _Up&). (operator<=(const _Tp&, const optional<_Tp>&)): Turn into operator<=(const _Up&, const optional<_Tp>&). (operator>=(const optional<_Tp>&, const _Tp&)): Turn into operator>=(const optional<_Tp>&, const _Up&). (operator>=(const _Tp&, const optional<_Tp>&)): Turn into operator>=(const _Up&, const optional<_Tp>&). * testsuite/20_util/optional/relops/7.cc: New. 2017-03-10 Jonathan Wakely * testsuite/17_intro/names.cc: Undefine macros that clash with identifiers in AIX system headers. * include/bits/invoke.h (__invoke): Use __invoke_result instead of result_of, and __is_nothrow_invocable instead of __is_nothrow_callable. * include/bits/shared_ptr_base.h (__shared_ptr): Use __is_invocable instead of __is_callable. * include/std/functional (invoke): use invoke_result_t instead of result_of_t and is_nothrow_invocable instead of is_nothrow_callable. (_Not_fn): Use __invoke_result instead of result_of. * include/std/type_traits (__result_of_memobj, __result_of_memfun): Remove partial specializations for reference_wrapper types. (__result_of_impl): Use __inv_unwrap to strip reference_wrapper. (__invoke_result): Define replacement for result_of and then use it to define result_of. (__is_callable_impl, __is_callable, __is_nothrow_callable): Replace with __is_invocable_impl, __is_invocable, and __is_nothrow_invocable respectively. (invoke_result, invoke_result_t): Define for C++17. (is_callable, is_nothrow_callable): Replace with is_invocable, is_invocable_r, is_nothrow_invocable, and is_nothrow_invocable_r. (is_callable_v, is_nothrow_callable_v): Replace with is_invocable_v, is_invocable_r_v, is_nothrow_invocable_v, and is_nothrow_invocable_r_v. * include/std/variant (hash>): Use is_nothrow_invocable_v instead of is_nothrow_callable_v. * testsuite/20_util/function_objects/invoke/59768.cc: Remove unused main function. * testsuite/20_util/function_objects/not_fn/1.cc: Use is_invocable instead of is_callable. * testsuite/20_util/is_callable/*: Rename directory and adjust tests to use new traits. * testsuite/20_util/is_nothrow_callable/*: Likewise. * testsuite/20_util/optional/hash.cc: Use is_invocable_v instead of is_callable. * testsuite/20_util/variant/hash.cc: Likewise. 2017-03-10 George Lander * acinclude.m4 (glibcxx_cv_obsolete_isnan): Define _GLIBCXX_INCLUDE_NEXT_C_HEADERS before including math.h. * configure: Regenerate. 2017-03-09 Jonathan Wakely * include/std/functional (_Not_fn): Define macro to simplify repetitive function definitions. * doc/xml/manual/status_cxx2017.xml: Document std::byte support. * include/c_global/cstddef (std::byte): Define for C++17. * testsuite/18_support/byte/global_neg.cc: New test. * testsuite/18_support/byte/ops.cc: New test. * testsuite/18_support/byte/requirements.cc: New test. 2017-03-05 Jonathan Wakely * doc/xml/manual/status_cxx2017.xml: Document P0156R2 status. * doc/html/*: Regenerate. * include/std/mutex (scoped_lock): Implement new C++17 template. * testsuite/30_threads/scoped_lock/cons/1.cc: New test. * testsuite/30_threads/scoped_lock/requirements/ explicit_instantiation.cc: New test. * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: New test. 2017-03-02 Gerald Pfeifer François Dumont Jonathan Wakely * doc/xml/manual/debug_mode.xml: Update and simplify note on link- and run-time coexistence. 2017-03-02 Jonathan Wakely * testsuite/17_intro/headers/names.cc: Rename to ... * testsuite/17_intro/names.cc: ... here. PR libstdc++/79789 * include/bits/hashtable_policy.h (__clp2): Use reserved names for parameters and local variables. * include/bits/ios_base.h (make_error_code, make_error_condition): Likewise. * include/bits/list.tcc (list::sort): Likewise. * include/bits/mask_array.h (mask_array): Likewise. * include/bits/regex.h (regex_token_iterator): Likewise. * include/bits/slice_array.h (slice_array): Likewise. * include/bits/stl_algo.h (__sample): Likewise. * include/std/memory (undeclare_no_pointers): Likewise. * include/std/type_traits (is_callable_v, is_nothrow_callable_v): Likewise. * libsupc++/exception_ptr.h (__dest_thunk): Likewise. * testsuite/17_intro/headers/names.cc: New test. PR libstdc++/79798 * include/std/functional (bind::_Res_type_impl): Fix incorrect use of result_of that loses top-level cv-qualifiers. * testsuite/20_util/bind/79798.cc: New test. 2017-03-01 Gerald Pfeifer * doc/xml/manual/documentation_hacking.xml: Tweak link to doxygen.org. 2017-02-23 Jonathan Wakely * include/experimental/iterator: Include . * testsuite/experimental/iterator/requirements.cc: Check for contents of . 2017-02-19 Dinka Ranns C++17 GB50 resolution * include/std/chrono (duration::operator++()): Add _GLIBCXX17_CONSTEXPR. (duration::operator++(int)): Likewise. (duration::operator--()): Likewise. (duration::operator--(int)): Likewise. (duration::operator+=(const duration&)): Likewise. (duration::operator-=(const duration&)): Likewise. (duration::operator*=(const rep&)): Likewise. (duration::operator/=(const rep&)): Likewise. (duration::operator%=(const rep&)): Likewise. (duration::operator%=(const duration&)): Likewise. (time_point::operator+=(const duration&)): Likewise. (time_point::operator-=(const duration&)): Likewise. * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: New test. * testsuite/20_util/duration/literals/range.cc: Adjust dg-error. * testsuite/20_util/time_point/arithmetic/constexpr.cc: New test. 2017-02-19 Gerald Pfeifer * doc/xml/manual/debug.xml: Adjust link to ThreadSanitizer. 2017-02-18 Gerald Pfeifer * doc/xml/manual/io.xml: Update link to groups.google.com. Tweak link description. 2017-02-18 Gerald Pfeifer * doc/xml/manual/profile_mode.xml: Fix link. 2017-02-16 Gerald Pfeifer * doc/xml/manual/policy_data_structures.xml: Simplify and standardize references to boost.org. * doc/xml/manual/policy_data_structures_biblio.xml: Ditto. * doc/xml/manual/shared_ptr.xml: Ditto. 2017-02-16 Jonathan Wakely PR libstdc++/60936 * src/c++11/snprintf_lite.cc (__concat_size_t): Calculate length written to buffer, not length remaining in buffer. 2017-02-15 Tim Shen PR libstdc++/78723 * include/std/variant (operator<(), operator>(), operator<=(), operator>=(), operator==(), operator!=()): Implement P0393R3. * testsuite/20_util/variant/compile.cc: Adjust tests. * testsuite/20_util/variant/run.cc: Adjust tests. 2017-02-15 Tim Shen PR libstdc++/79513 * include/std/variant (visit()): Forward variant types to the return type detection code. * testsuite/20_util/variant/compile.cc: Add test cases. 2017-02-13 H.J. Lu PR libstdc++/79348 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated. 2017-02-13 Jakub Jelinek PR libstdc++/79348 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Likewise. * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Likewise. * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Likewise. * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Likewise. * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Likewise. * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Likewise. * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Likewise. * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Likewise. 2017-02-13 Jonathan Wakely PR libstdc++/79486 * include/std/future (__future_base::_Task_state::_M_run) (__future_base::_Task_state::_M_run_delayed): Use lvalue types in result_of expressions. * testsuite/30_threads/packaged_task/79486.cc: New. 2017-02-11 Jonathan Wakely PR libstdc++/79467 * include/bits/shared_ptr_base.h (__shared_ptr(_Yp*, _Deleter)) (__shared_ptr(_Yp*, _Deleter, _Alloc)): Use lvalue types in __is_callable check. * testsuite/20_util/shared_ptr/cons/79467.cc: New. * include/bits/atomic_base.h: Re-indent. 2017-02-10 Gerald Pfeifer * doc/xml/manual/profile_mode.xml: Update a paper reference. 2017-02-08 Gerald Pfeifer * src/c++11/snprintf_lite.cc (__err): Use https for bug reporting. 2017-02-08 Jonathan Wakely * doc/xml/manual/policy_data_structures.xml: Fix spelling of author's name. * doc/xml/manual/policy_data_structures_biblio.xml: Likewise. Remove broken links to texts that are no longer online. * doc/xml/manual/profile_mode.xml: Update links to CGO 2009 paper and LCPC 2006 paper. * doc/xml/manual/using.xml: Update links to memory model information. * doc/xml/manual/using_exceptions.xml: Update link to "Appendix E: Standard-Library Exception Safety". * doc/html/*: Regenerate. 2017-02-08 Gerald Pfeifer * doc/xml/manual/profile_mode.xml: Unbreak link to "Optimizing Sorting with Machine Learning Algorithms". 2017-02-08 Gerald Pfeifer * src/c++11/snprintf_lite.cc (__err): Update bug reporting URL. 2017-02-08 Gerald Pfeifer * doc/xml/manual/abi.xml: Update link to "Sun Studio 11: C++ Migration Guide". 2017-02-07 Gerald Pfeifer * doc/html/ext/lwg-active.html: Remove. * doc/html/ext/lwg-closed.html: Ditto. * doc/html/ext/lwg-defects.html: Ditto. * doc/Makefile.am (xml_extradir): Remove. (xml_extra): Ditto. (stamp-html-docbook-lwg): Remove recipe... (stamp-html-docbook-data): ...and its use here. * doc/Makefile.in: Regenerate. * doc/xml/manual/intro.xml: Shorten two paragraphs explaining the relationship to the upstream working group. Replace a local link to ../ext/lwg-active.html by the upstream one. Replace all reference to ../ext/lwg-defects.html by a new entity &DR; which refers to the upstream address. 2017-02-07 Gerald Pfeifer * doc/xml/manual/status_cxx2017.xml: Fix link to N4284. 2017-02-06 Jonathan Wakely PR libstdc++/79323 * testsuite/20_util/duration/literals/range.cc: Prune extra output at -O0. 2017-02-06 Gerald Pfeifer * doc/xml/manual/documentation_hacking.xml: Update URL of the DocBook Element Reference. Use that term as link description instead of "online". epubcheck has moved to GitHub. Remove obsolete link to DocBook Publishing Tools. 2017-02-03 Jonathan Wakely PR libstdc++/66145 * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Restore ABI override so new ios::failure can be caught even when old ABI is the default. * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/char/ exceptions_failbit.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/ exceptions_failbit.cc: Likewise. * testsuite/27_io/basic_istream/extractors_other/char/ exceptions_null.cc: Likewise. * testsuite/27_io/basic_istream/extractors_other/wchar_t/ exceptions_null.cc: Likewise. * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise. * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise. * testsuite/27_io/basic_ostream/inserters_other/char/ exceptions_null.cc: Likewise. * testsuite/27_io/basic_ostream/inserters_other/wchar_t/ exceptions_null.cc: Likewise. * testsuite/27_io/ios_base/storage/2.cc: Likewise. PR libstdc++/60936 * src/c++11/Makefile.am: Add new files. * src/c++11/Makefile.in: Regenerate. * src/c++11/cow-string-inst.cc [!_GLIBCXX_USE_CXX11_ABI] (operator<<, operator>>, getline): Move explicit instantiations to ... * src/c++11/cow-string-io-inst.cc: ... new file. * src/c++11/cow-wstring-inst.cc [!_GLIBCXX_USE_CXX11_ABI] (operator<<, operator>>, getline): Move explicit instantiations to ... * src/c++11/cow-wstring-io-inst.cc: ... new file. * src/c++11/functexcept.cc (__throw_ios_failure, __throw_system_error) (__throw_future_error, __throw_bad_function_call): (__throw_regex_error): Move functions for C++11 exceptions to the files that define the exception types. * src/c++11/functional.cc (__throw_bad_function_call): Move here. * src/c++11/future.cc (__throw_future_error): Likewise. * src/c++11/ios.cc (__throw_ios_failure): Likewise. * src/c++11/regex.cc (__throw_regex_error): Likewise. * src/c++11/snprintf_lite.cc (__concat_size_t): Print decimal representation directly instead of calling __int_to_char. * src/c++11/sso_string.cc (__sso_string): New file for definition of __sso_string type. * src/c++11/string-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for explicit instantiations of narrow string I/O functions. * src/c++11/system_error.cc (__throw_system_error): Move here. (__sso_string): Move to new file. * src/c++11/wstring-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for explicit instantiations of wide string I/O functions. * src/c++98/misc-inst.cc [_GLIBCXX_USE_CXX11_ABI] (operator<<) (operator>>, getline): Remove explicit instantiations from here. 2017-02-02 H.J. Lu * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated. 2017-02-02 Rainer Orth * configure.host: Separate Solaris/SPARC and x86 baselines. * config/abi/post/solaris2.10/baseline_symbols.txt: Move ... * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: ... here. * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Move ... * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt: ... here. * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Move ... * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: ... here. * config/abi/post/i386-solaris2.10/baseline_symbols.txt: New file. * config/abi/post/solaris2.11/baseline_symbols.txt: Move ... * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: ... here. * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Move ... * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt: ... here. * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Move ... * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: ... here. * config/abi/post/i386-solaris2.11/baseline_symbols.txt: New file. * 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. 2017-02-01 Jonathan Wakely PR libstdc++/78346 * include/bits/predefined_ops.h (_Iter_equals_iter): Store iterator not its referent. (_Iter_comp_to_iter): Likewise. * testsuite/25_algorithms/search/78346.cc: New test. PR libstdc++/79254 * config/abi/pre/gnu.ver: Remove recently added symbols. * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string::_M_copy_assign): Remove. (basic_string::operator=(const basic_string&)): Don't dispatch to _M_copy_assign. If source object is small just deallocate, otherwise perform new allocation before making any changes. * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI] (basic_string::_M_copy_assign(const basic_string&, true_type)): Remove. * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc: Test cases where the allocators are equal or the string is small. * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc: Likewise. 2017-01-30 Ville Voutilainen Implement LWG 2825, LWG 2756 breaks class template argument deduction for optional. * include/std/optional: Add a deduction guide. * testsuite/20_util/optional/cons/deduction_guide.cc: New. 2017-01-27 Jonathan Wakely PR libstdc++/79254 * config/abi/pre/gnu.ver: Add new symbols. * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string::_M_copy_assign): New overloaded functions to perform copy assignment. (basic_string::operator=(const basic_string&)): Dispatch to _M_copy_assign. * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI] (basic_string::_M_copy_assign(const basic_string&, true_type)): Define, performing rollback on exception. * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc: Test exception-safety guarantee. * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc: Likewise. * testsuite/util/testsuite_allocator.h (uneq_allocator::swap): Make std::swap visible. 2017-01-26 Jonathan Wakely PR libstdc++/70607 * include/tr1/complex (conj): Remove using-declaration and restore overloads, reverting previous change. * testsuite/23_containers/list/operations/78389.cc: Fix for C++11 mode. * testsuite/23_containers/priority_queue/requirements/constructible.cc: Mark as unsupported in C++98 mode. * testsuite/23_containers/queue/requirements/constructible.cc: Likewise. * testsuite/23_containers/stack/requirements/constructible.cc: Likewise. * testsuite/25_algorithms/make_heap/movable.cc: Fix for C++11 mode. PR libstdc++/79243 * include/bits/c++config (literals::string_view_literals::__7): Add. Only declare versioned namespaces for the relevant C++ dialects. * include/experimental/bits/erase_if.h (fundamentals_v2::__detail): Add versioning macros. * include/experimental/bits/lfts_config.h: (fundamentals_v1::__detail::__7, fundamentals_v2::__detail::__7): Add. * include/experimental/string_view (fundamentals_v2::__detail): Add versioning macros. (fundamentals_v2::__detail::__identity): Remove. (fundamentals_v2::__detail::__idt): Use common_type instead of __detail::__identity. * include/std/string_view (__detail::__identity, __detail::__idt): Likewise. (literals::string_view_literals): Fix nesting of versioning macros. PR libstdc++/79190 * libsupc++/del_opa.cc (operator delete(void*, std::align_val_t)) [!_GLIBCXX_HAVE_ALIGNED_ALLOC && !_GLIBCXX_HAVE_POSIX_MEMALIGN && !_GLIBCXX_HAVE_MEMALIGN && !_GLIBCXX_HAVE__ALIGNED_MALLOC]: Retrieve original pointer value allocated by malloc. * libsupc++/new_opa.cc [!_GLIBCXX_HAVE_ALIGNED_ALLOC && !_GLIBCXX_HAVE_POSIX_MEMALIGN && !_GLIBCXX_HAVE_MEMALIGN && !_GLIBCXX_HAVE__ALIGNED_MALLOC] (aligned_alloc(size_t, size_t)): Define, adjusting pointer value allocated by malloc and storing for retrieval by operator delete. 2017-01-26 Jakub Jelinek * libsupc++/eh_atomics.h: Update copyright years. * testsuite/20_util/unique_ptr/cons/default.cc: Update copyright years. 2017-01-25 Jonathan Wakely PR libstdc++/61791 PR libstdc++/70607 * include/std/complex (real(T), imag(T)): Add _GLIBCXX_CONSTEXPR. (proj(T), conj(T)): Change return types per DR 1522. * include/tr1/complex (conj): Remove overloads and use std::conj. * testsuite/26_numerics/complex/dr781_dr1137.cc: Rename to... * testsuite/26_numerics/complex/dr781.cc: ... this, and update. * testsuite/26_numerics/complex/value_operations/constexpr2.cc: Test real(T) and imag(T). Allow testing for C++11 too. 2017-01-24 Jonathan Wakely PR libstdc++/79206 * include/experimental/string_view (operator==): Check sizes first. * include/std/string_view (operator==): Likewise. 2017-01-23 Jonathan Wakely * testsuite/experimental/array/make_array.cc: Restore inclusion. 2017-01-23 Thomas Preud'homme * testsuite/29_atomics/atomic/69301.cc: Require atomic builtins. 2017-01-23 Jonathan Wakely PR libstdc++/79195 * include/experimental/array (__make_array_elem): New class template and partial specialization. (__is_reference_wrapper): Move into __make_array_elem specialization. (make_array): Use __make_array_elem to determine element type and move static assertion into specialization. Qualify std::forward call. (to_array): Add exception specifiation. * testsuite/experimental/array/make_array.cc: Test argument types without a common type. * testsuite/experimental/array/neg.cc: Adjust expected error message. 2017-01-22 Gerald Pfeifer * doc/xml/manual/debug.xml: code.google.com uses https now. 2017-01-22 Gerald Pfeifer * doc/xml/manual/test.xml: Fix link into gccint online manual. 2017-01-21 Ville Voutilainen Make poisoned hashes SFINAE away the call operator of the hash. * include/bits/functional_hash.h (__poison_hash::__enable_hash_call): New. * include/std/optional (__optional_hash_call_base): New. (hash>): Derive from the new base, move the hash function into that base. * include/std/variant (__variant_hash_call_base_impl): New. (__variant_hash_call_base): Likewise. (hash>): Derive from the new base, move the hash function into that base. * testsuite/20_util/optional/hash.cc: Add tests for is_callable. * testsuite/20_util/variant/hash.cc: Likewise. 2017-01-20 Joe Seymour * acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): Support uint20_t. * configure: Regenerate. 2017-01-20 Jonathan Wakely PR libstdc++/69240 * include/bits/random.h (uniform_real_distribution::param_type) (normal_distribution::param_type, lognormal_distribution::param_type) (gamma_distribution::param_type, chi_squared_distribution::param_type) (cauchy_distribution::param_type, fisher_f_distribution::param_type) (student_t_distribution::param_type) (bernoulli_distribution::param_type, binomial_distribution::param_type) (geometric_distribution::param_type) (negative_binomial_distribution::param_type) (poisson_distribution::param_type) (exponential_distribution::param_type) (weibull_distribution::param_type) (extreme_value_distribution::param_type) (discrete_distribution::param_type) (piecewise_constant_distribution::param_type) (piecewise_linear_distribution::param_type): Define operator!=. * include/bits/uniform_int_dist.h (uniform_int_distribution::param_type): Likewise. * include/ext/random (beta_distribution::param_type) (rice_distribution::param_type, nakagami_distribution::param_type) (pareto_distribution::param_type, k_distribution::param_type) (arcsine_distribution::param_type, hoyt_distribution::param_type) (triangular_distribution::param_type) (von_mises_distribution::param_type) (hypergeometric_distribution::param_type) (logistic_distribution::param_type) (uniform_on_sphere_distribution::param_type) (uniform_inside_sphere_distribution::param_type): Likewise. * testsuite/26_numerics/random/bernoulli_distribution/cons/parms.cc: Test construction with param_type. * testsuite/26_numerics/random/binomial_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/cauchy_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/chi_squared_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/exponential_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/extreme_value_distribution/cons/ parms.cc: Likewise. * testsuite/26_numerics/random/fisher_f_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/gamma_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/geometric_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/lognormal_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/negative_binomial_distribution/cons/ parms.cc: Likewise. * testsuite/26_numerics/random/normal_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/poisson_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/student_t_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/uniform_int_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/uniform_real_distribution/cons/parms.cc: Likewise. * testsuite/26_numerics/random/weibull_distribution/cons/parms.cc: Likewise. * testsuite/ext/random/arcsine_distribution/cons/parms.cc: Likewise. * testsuite/ext/random/beta_distribution/cons/parms.cc: Likewise. * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise. * testsuite/ext/random/hypergeometric_distribution/cons/parms.cc: Likewise. * testsuite/ext/random/k_distribution/cons/parms.cc: Likewise. * testsuite/ext/random/logistic_distribution/cons/parms.cc: Likewise. * testsuite/ext/random/nakagami_distribution/cons/parms.cc: Likewise. * testsuite/ext/random/normal_mv_distribution/cons/parms.cc: Likewise. * testsuite/ext/random/pareto_distribution/cons/parms.cc: Likewise. * testsuite/ext/random/rice_distribution/cons/parms.cc: Likewise. * testsuite/ext/random/triangular_distribution/cons/parms.cc: Likewise. * testsuite/ext/random/uniform_inside_sphere_distribution/cons/ parms.cc: Likewise. * testsuite/ext/random/von_mises_distribution/cons/parms.cc: Likewise. PR libstdc++/72792 * include/bits/alloc_traits.h (__allocator_traits_base::__diff_type) (__allocator_traits_base::__size_type): Remove. (allocator_traits::_Ptr): New class template to detect const and void pointer types without instantiating pointer_traits::rebind unnecessarily. (allocator_traits::_Diff): Likewise for detecting difference_type. (allocator_traits::_Size): New class template to detect size_type without instantiating make_unsigned unnecessarily. * include/bits/ptr_traits.h (pointer_traits::element_type): Use __detected_or_t instead of __detected_or_t_. * include/std/type_traits (__detected_or_t_): Remove. * testsuite/20_util/allocator_traits/members/pointers.cc: New test. PR libstdc++/72792 PR libstdc++/72793 * include/bits/alloc_traits.h (__allocator_traits_base::__rebind): Replace with class template using void_t. (__alloc_rebind): Define in terms of __allocator_traits_base::__rebind. (allocator_traits): Remove unconditional static_assert for rebind_alloc. * include/bits/ptr_traits.h (__replace_first_arg): Remove type member. (pointer_traits::__rebind): Replace with class template using void_t. (pointer_traits::rebind): Define in terms of __rebind. (pointer_traits): Remove unconditional static_assert for rebind. * testsuite/20_util/allocator_traits/members/rebind_alloc.cc: New test. * testsuite/20_util/pointer_traits/rebind.cc: New test. PR libstdc++/69321 * include/experimental/any (__any_caster): Avoid instantiating manager function for types that can't be stored in any. * include/std/any (__any_caster): Likewise. * testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type. * testsuite/experimental/any/misc/any_cast.cc: Likewise. PR libstdc++/64903 * include/bits/stl_algo.h (is_partitioned): Use increment instead of std::advance. 2017-01-19 Jonathan Wakely PR libstdc++/79156 * include/bits/shared_ptr_base.h (__enable_shared_from_this_base): Fix return type. (__enable_shared_from_this): Declare __shared_ptr as a friend. * testsuite/ext/shared_ptr/1.cc: New test. PR libstdc++/64903 * include/bits/stl_algo.h (is_partitioned): Don't retest the partition point. * testsuite/25_algorithms/is_partitioned/2.cc: New test. * doc/xml/manual/abi.xml: Fix typo. * doc/html/manual/abi.html: Likewise. PR libstdc++/67085 * include/bits/predefined_ops.h (_Iter_less_val, _Val_less_iter): Add converting constructors from _Iter_less_iter. (_Iter_comp_val, _Val_comp_iter): Add converting constructors from _Iter_comp_iter. (__iter_comp_val(_Iter_comp_iter): Use converting constructor. (__val_comp_iter(_Iter_comp_iter): Likewise. * include/bits/stl_heap.h (__is_heap_until, __push_heap, __pop_heap) (__make_heap, __sort_heap): Change _Compare parameters to references. (__is_heap, push_heap, __adjust_heap, __pop_heap, pop_heap) (__make_heap, make_heap, sort_heap, is_heap_until): Pass comparison functions as lvalues. (is_heap): Call __is_heap_until directly to avoid copying __comp. * testsuite/23_containers/priority_queue/67085.cc: Adjust test to count copies during construction with empty sequence. PR libstdc++/67085 * include/bits/stl_heap.h (__is_heap): Use _GLIBCXX_MOVE. (__make_heap, __sort_heap): Don't use _GLIBCXX_MOVE inside loops. * testsuite/23_containers/priority_queue/67085.cc: Adjust expected number of copies. * testsuite/25_algorithms/make_heap/movable.cc: New test. PR libstdc++/67085 * include/bits/stl_heap.h (push_heap, __adjust_heap, __pop_heap) (pop_heap, __make_heap, make_heap, __sort_heap, sort_heap): Use _GLIBCXX_MOVE when passing comparison function to other functions. (is_heap_until, is_heap): Use std::move when passing comparison function. * testsuite/23_containers/priority_queue/67085.cc: New test. PR libstdc++/78905 * doc/xml/manual/abi.xml (abi.versioning.history): Add markup to macro names, filenames, and literal values. Document _GLIBCXX_RELEASE. Document that the deprecated _GLIBCXX_VERSION macro was removed for the 4.0.0 release. * doc/html/*: Regenerate. * include/Makefile.am (_GLIBCXX_RELEASE): Set value. * include/Makefile.in: Regenerate. * include/bits/c++config (_GLIBCXX_RELEASE): Add #define. * testsuite/ext/profile/mutex_extensions_neg.cc: Use lineno of 0 in dg-error. 2017-01-18 Jonathan Wakely PR libstdc++/69301 * include/std/atomic (atomic::load, atomic::exchange): Use aligned buffer instead of default-initialized variable. * testsuite/29_atomics/atomic/69301.cc: New test. * include/experimental/memory (observer_ptr::release): Use reserved name. * include/ext/pointer.h (_Pointer_adapter::operator++(int)) (_Pointer_adapter::operator--(int)): Likewise. PR libstdc++/68925 * include/experimental/random (randint): Use temporary instead of thread_local static. 2017-01-17 Joshua Conner * crossconfig.m4: Add fuchsia OS. * configure: Regenerate. 2017-01-17 Jonathan Wakely PR libstdc++/69699 * doc/xml/manual/abi.xml (abi.versioning.history): Explain why the __GLIBCXX__ macro is not useful. Remove redundant date information and link to the GCC release timeline. (abi.versioning.active): Move partial sentence into the previous paragraph. * doc/html/*: Regenerate. PR libstdc++/79114 * libsupc++/nested_exception.h (throw_with_nested): Use decay instead of remove_reference. * testsuite/18_support/nested_exception/79114.cc: New test. 2017-01-17 Jakub Jelinek PR other/79046 * configure.ac: Add GCC_BASE_VER. * fragment.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to get version from BASE-VER file. * po/Makefile.in: Regenerated. * libsupc++/Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * src/Makefile.in: Regenerated. * configure: Regenerated. * Makefile.in: Regenerated. * include/Makefile.in: Regenerated. * doc/Makefile.in: Regenerated. * python/Makefile.in: Regenerated. * src/c++11/Makefile.in: Regenerated. * src/c++98/Makefile.in: Regenerated. * src/filesystem/Makefile.in: Regenerated. 2017-01-16 Jonathan Wakely PR libstdc++/66145 * src/c++11/functexcept.cc: Use new ABI for std::ios_base::failure exceptions. * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Don't override ABI for test, so new ios::failure can be caught. * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/char/ exceptions_failbit.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/ exceptions_failbit.cc: Likewise. * testsuite/27_io/basic_istream/extractors_other/char/ exceptions_null.cc: Likewise. * testsuite/27_io/basic_istream/extractors_other/wchar_t/ exceptions_null.cc: Likewise. * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise. * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise. * testsuite/27_io/basic_ostream/inserters_other/char/ exceptions_null.cc: Likewise. * testsuite/27_io/basic_ostream/inserters_other/wchar_t/ exceptions_null.cc: Likewise. * testsuite/27_io/ios_base/storage/2.cc: Likewise. PR libstdc++/78702 * include/bits/locale_classes.h (locale::facet::__shim): Change from private to protected. * src/c++11/cxx11-shim_facets.cc (__shim_accessor): Define helper to make locale::facet::__shim accessible. 2017-01-16 Ville Voutilainen PR libstdc++/78389 * include/bits/list.tcc (merge(list&&)): Fix backwards size adjustments. (merge(list&&, _StrictWeakOrdering)): Likewise. * testsuite/23_containers/list/operations/78389.cc: Add better test for the sizes. 2017-01-14 Jonathan Wakely * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc: Skip test when -D_GLIBCXX_PROFILE mode is included in options. * testsuite/23_containers/map/modifiers/extract.cc: Likewise. * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc: Likewise. * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise. * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise. * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise. * testsuite/23_containers/set/modifiers/extract.cc: Likewise. * testsuite/23_containers/unordered_map/modifiers/extract.cc: Likewise. * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:: Likewise. * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:: Likewise. * testsuite/23_containers/unordered_set/modifiers/extract.cc: Likewise. * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc: Likewise. * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise. * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise. * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise. * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise. * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise. * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise. * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise. * testsuite/libstdc++-prettyprinters/debug.cc: Likewise. * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise. * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise. * testsuite/libstdc++-prettyprinters/simple.cc: Likewise. * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise. * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise. 2017-01-13 Jonathan Wakely PR libstdc++/65411 * config/io/basic_file_stdio.cc (__basic_file::close()): Don't retry fclose on EINTR. * include/profile/base.h: Remove unused header that leads to header cycle in C++17 mode. PR libstdc++/79075 * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string): Make _If_sv private. [!_GLIBCXX_USE_CXX11_ABI] (basic_string): Add member functions taking basic_string_view arguments. PR libstdc++/79075 * testsuite/lib/libstdc++.exp (check_v3_target_filesystem_ts): Remove redundant option from cxxflags. (check_effective_target_cxx11-abi): Define. * testsuite/21_strings/basic_string/allocator/71964.cc: Use cxx11-abi effective target. * testsuite/21_strings/basic_string/allocator/char/copy.cc: Likewise. * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc: Likewise. * testsuite/21_strings/basic_string/allocator/char/minimal.cc: Likewise. * testsuite/21_strings/basic_string/allocator/char/move.cc: Likewise. * testsuite/21_strings/basic_string/allocator/char/move_assign.cc: Likewise. * testsuite/21_strings/basic_string/allocator/char/noexcept.cc: Likewise. * testsuite/21_strings/basic_string/allocator/char/swap.cc: Likewise. * testsuite/21_strings/basic_string/allocator/wchar_t/copy.cc: Likewise. * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc: Likewise. * testsuite/21_strings/basic_string/allocator/wchar_t/minimal.cc: Likewise. * testsuite/21_strings/basic_string/allocator/wchar_t/move.cc: Likewise. * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc: Likewise. * testsuite/21_strings/basic_string/allocator/wchar_t/noexcept.cc: Likewise. * testsuite/21_strings/basic_string/allocator/wchar_t/swap.cc: Likewise. * testsuite/23_containers/list/61347.cc: Likewise. * testsuite/27_io/basic_fstream/cons/base.cc: Likewise. * testsuite/27_io/ios_base/failure/cxx11.cc: Likewise. 2017-01-13 Ville Voutilainen PR libstdc++/78389 * include/bits/list.tcc (merge(list&&)): Adjust list sizes if the comparator throws. (merge(list&&, _StrictWeakOrdering)): Likewise. (sort()): Splice elements back from the scratch buffers if the comparator throws. (sort(_StrictWeakOrdering)): Likewise. * testsuite/23_containers/list/operations/78389.cc: New. 2017-01-13 Jonathan Wakely * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Mark XFAIL for C++17 until node reinsertion supports fancy pointers. PR libstdc++/78361 * testsuite/20_util/add_pointer/value.cc: Test forming function pointers. 2017-01-13 Michael Brune PR libstdc++/78361 * include/std/type_traits (__is_referenceable): Handle noexcept function types. 2017-01-12 Jonathan Wakely PR libstdc++/77528 * include/bits/stl_queue.h (queue, priority_queue): Remove default member-initializers and define default constructors as templates with constraints. * include/bits/stl_stack.h (stack): Likewise. * testsuite/23_containers/priority_queue/requirements/constructible.cc: New. * testsuite/23_containers/priority_queue/requirements/ explicit_instantiation/1.cc: Test more instantiations. * testsuite/23_containers/priority_queue/requirements/ explicit_instantiation/1_c++98.cc: Likewise. * testsuite/23_containers/queue/requirements/constructible.cc: New. * testsuite/23_containers/stack/requirements/constructible.cc: New. PR libstdc++/66284 * doc/xml/manual/intro.xml: Document LWG 2781 change. * doc/html/*: Regenerate. * include/std/functional (_Function_base::_Ref_manager): Remove. (_Function_handler): Remove partial specializations for reference_wrapper. (function::target): Remove special case for const qualification. * testsuite/20_util/function/6.cc: Adjust tests for target type. * testsuite/20_util/function/7.cc: Likewise. * testsuite/20_util/function/8.cc: Likewise. 2017-01-11 Jonathan Wakely PR libstdc++/78134 * include/bits/stl_map.h (map::lower_bound, map::upper_bound) (map::equal_range): Fix return type of heterogeneous overloads. * include/bits/stl_multimap.h (multimap::lower_bound) (multimap::upper_bound, multimap::equal_range): Likewise. * include/bits/stl_multiset.h (multiset::lower_bound) (multiset::upper_bound, multiset::equal_range): Likewise. * include/bits/stl_set.h (set::lower_bound, set::upper_bound) (set::equal_range): Likewise. * testsuite/23_containers/map/operations/2.cc * testsuite/23_containers/multimap/operations/2.cc * testsuite/23_containers/multiset/operations/2.cc * testsuite/23_containers/set/operations/2.cc PR libstdc++/78273 * include/bits/stl_map.h (map::count<_Kt>(const _Kt&)): Don't assume the heterogeneous comparison can only find one match. * include/bits/stl_set.h (set::count<_Kt>(const _Kt&)): Likewise. * testsuite/23_containers/map/operations/2.cc: Test count works with comparison function that just partitions rather than sorting. * testsuite/23_containers/set/operations/2.cc: Likewise. 2017-01-11 Ville Voutilainen Reduce the size of variant, it doesn't need an index of type size_t internally. * include/std/variant (parse_numbers.h): New include. (__select_index): New. (_Variant_storage::_M_reset_impl): Use _index_type for comparison with variant_npos. (_Variant_storage::__index_type): New. (_Variant_storage::_M_index): Change the type from size_t to __index_type. (_Variant_storage::__index_type): New. (_Variant_storage::_M_index): Change the type from size_t to __index_type. (_Variant_base::_M_valid): Use _Storage::__index_type for comparison with variant_npos. (variant::index): Use _Base::_Storage::__index_type for comparison with variant_npos. * testsuite/20_util/variant/index_type.cc: New. 2017-01-10 Jonathan Wakely * testsuite/18_support/exception_ptr/60612-unexpected.cc: Adjust effective target selector to prevent running in C++17 mode. PR libstdc++/77528 * include/bits/stl_queue.h (queue::c): Add default member initializer. (queue::queue()): Add constructor and define as defaulted. (queue::queue(_Sequence&&)): Remove default argument. (priority_queue::c, priority_queue::comp): Add default member initializers. (priority_queue::priority_queue()): Add constructor and define as defaulted. (priority_queue::priority_queue(const _Compare&, _Sequence&&)): Remove default argument for first parameter. * include/bits/stl_stack.h (stack::c): Add default member initializer. (stack::stack()): Add constructor and define as defaulted. (stack::stack(const _Sequence&)): Remove default argument. * testsuite/23_containers/priority_queue/requirements/ explicit_instantiation/1.cc: Test explicit instantiation with non-DefaultConstructible sequence. * testsuite/23_containers/priority_queue/77528.cc: New test. * testsuite/23_containers/priority_queue/requirements/ explicit_instantiation/1_c++0x.cc: Replace with 1_c++98.cc. * testsuite/23_containers/queue/77528.cc: New test. * testsuite/23_containers/queue/requirements/explicit_instantiation/ 1.cc: Test explicit instantiation with non-DefaultConstructible sequence. * testsuite/23_containers/queue/requirements/explicit_instantiation/ 1_c++0x.cc: Replace with 1_c++98.cc. * testsuite/23_containers/stack/77528.cc: New test. * testsuite/23_containers/stack/requirements/explicit_instantiation/ 1.cc: Test explicit instantiation with non-DefaultConstructible sequence. * testsuite/23_containers/stack/requirements/explicit_instantiation/ 1_c++0x.cc: Replace with 1_c++98.cc. 2017-01-10 Felipe Magno de Almeida * include/bits/locale_facets_nonio.tcc (time_get::_M_extract_via_format): Avoid compilation errors with non-standard struct tm. 2017-01-10 François Dumont Jonathan Wakely * python/libstdcxx/v6/printers.py (_versioned_namespace): Define. (is_specialization, strip_versioned_namespace): New helpers functions to work with symbols in the versioned namespace. (Printer.add_version): Add second name using versioned namespace. (add_one_template_type_printer, add_one_type_printer): Add second type printers using versioned namespace. (register_type_printers): Add template type printer for basic_string. (build_libstdcxx_dictionary): Remove dead code. * python/libstdcxx/v6/xmethods.py: Make all matchers look for versioned namespace. * testsuite/libstdc++-prettyprinters/48362.cc: Adjust expected results. * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise. 2017-01-09 Jonathan Wakely PR libstdc++/79017 * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Check for llrint and llround functions separately on darwin and if they're missing define _GLIBCXX_NO_C99_ROUNDING_FUNCS. * config.h.in: Regenerate. * configure: Regenerate. * include/c_global/cmath [_GLIBCXX_NO_C99_ROUNDING_FUNCS] (llrint) (llrintf, llrintl, llround, llroundf, llroundl): Do not define. * testsuite/30_threads/condition_variable/members/3.cc: Use new macro to detect correct thread_local destructors. * testsuite/util/testsuite_hooks.h (CORRECT_THREAD_LOCAL_DTORS): Define. 2017-01-09 Jonathan Wakely Aditya Kumar PR libstdc++/66414 * include/bits/basic_string.tcc (basic_string::find(const CharT*, size_type, size_type)): Optimize. 2017-01-06 Jonathan Wakely * testsuite/21_strings/basic_string/operations/find/char/6.cc: New. * testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: New. * testsuite/util/performance/priority_queue/mem_usage/pop_test.hpp: Include header. PR libstdc++/78968 * crossconfig.m4: Check for __cxa_thread_atexit on *-*-freebsd*. * configure: Regenerate. 2017-01-06 Barrett Adair Jonathan Wakely * include/std/variant (variant, swap): Replace __and_ usage with fold expressions. 2017-01-06 Rainer Orth PR go/78978 * acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Remove. * configure.ac: Call GCC_CHECK_ASSEMBLER_HWCAP instead of GLIBCXX_CHECK_ASSEMBLER_HWCAP. * fragment.am (CONFIG_CXXFLAGS): Use HWCAP_CFLAGS instead of HWCAP_FLAGS. * aclocal.m4: Regenerate. * configure: Regenerate. * Makefile.in, doc/Makefile.in, include/Makefile.in, libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in, src/Makefile.in, src/c++11/Makefile.in, src/c++98/Makefile.in, src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate. 2017-01-06 Jonathan Wakely * include/bits/c++config (_GLIBCXX_ASSERTIONS): Avoid redefinition. PR libstdc++/78991 * include/bits/predefined_ops.h (_Iter_comp_iter, _Iter_comp_val) (_Val_comp_iter, _Iter_equals_val, _Iter_pred, _Iter_comp_to_val) (_Iter_comp_to_iter, _Iter_negate): Make constructors explicit and move function objects. (__iter_comp_iter, __iter_comp_val, __val_comp_iter, __pred_iter) (__iter_comp_val, __iter_comp_iter, __negate): Move function objects. * testsuite/25_algorithms/sort/78991.cc: New test. 2017-01-05 Jonathan Wakely * include/bits/std_function.h (function::_Signature_type): Remove. (function::function(_Functor)): Adjust. 2017-01-05 Tim Shen PR libstdc++/78996 * include/std/variant (__gen_vtable_impl): rename __unused to __dimensions to avoid naming conflict. 2017-01-04 Jonathan Wakely PR libstdc++/78968 * config.h.in: Regenerate. * configure: Likewise. * configure.ac: Check for __cxa_thread_atexit. * libsupc++/atexit_thread.cc [_GLIBCXX_HAVE___CXA_THREAD_ATEXIT]: Don't define __cxa_thread_atexit if libc provides it. 2017-01-04 Ville Voutilainen Implement 2801, Default-constructibility of unique_ptr. * include/bits/unique_ptr.h (__uniq_ptr_impl::_DeleterConstraint): New. (unique_ptr::_DeleterConstraint): Likewise. (unique_ptr()): Constrain. (unique_ptr(pointer)): Likewise. (unique_ptr(nullptr_t)): Likewise. (unique_ptr<_Tp[], _Dp>::_DeleterConstraint): New. (unique_ptr<_Tp[], _Dp>::unique_ptr()): Constrain. (unique_ptr<_Tp[], _Dp>::unique_ptr(_Up)): Likewise. (unique_ptr<_Tp[], _Dp>::unique_ptr(nullptr_t)): Likewise. * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust. * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise. * testsuite/20_util/unique_ptr/cons/default.cc: New. * testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Adjust. 2017-01-04 Pauli Nieminen Jonathan Wakely PR libstdc++/64735 * acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define. * config.h.in: Regenerate. * config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make exports for exception_ptr, nested_exception, and future conditional. [HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add exports for exception_ptr, nested_exception, and future conditional. * configure: Regenerate. * configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER. * include/std/future: Remove check for ATOMIC_INT_LOCK_FREE * libsupc++/eh_atomics.h: New file for internal use only. (__eh_atomic_inc, __eh_atomic_dec): New. * libsupc++/eh_ptr.cc (exception_ptr::_M_addref) (exception_ptr::_M_release) (__gxx_dependent_exception_cleanup) (rethrow_exception): Use eh_atomics.h reference counting helpers. * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise. * libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise. * libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE. * libsupc++/exception_ptr.h: Likewise. * libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro. * libsupc++/nested_exception.cc: Remove check for ATOMIC_INT_LOCK_FREE. * libsupc++/nested_exception.h: Likewise. * src/c++11/future.cc: Likewise. * testsuite/18_support/exception_ptr/*: Remove atomic builtins checks. * testsuite/18_support/nested_exception/*: Likewise. * testsuite/30_threads/async/*: Likewise. * testsuite/30_threads/future/*: Likewise. * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise. * testsuite/30_threads/packaged_task/*: Likewise. * testsuite/30_threads/promise/*: Likewise. * testsuite/30_threads/shared_future/*: Likewise. 2017-01-03 Gerald Pfeifer * doc/xml/manual/documentation_hacking.xml: sourceforge.net now defaults to https; adjust reference. 2017-01-03 Jonathan Wakely PR libstdc++/78956 * include/std/thread (thread(const thread&&)): Add deleted constructor. * testsuite/30_threads/thread/cons/lwg2097.cc: New test. * doc/xml/manual/spine.xml: Update copyright years. * doc/xml/manual/build_hacking.xml: Fix spelling of libbuilddir. * doc/xml/manual/test.xml: Likewise. * doc/html/*: Regenerate. 2017-01-01 Gerald Pfeifer * doc/xml/faq.xml: Update address of C++ ABI link. * doc/xml/manual/abi.xml: Ditto. 2017-01-01 Jakub Jelinek Update copyright years. 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