[thirdparty/gcc.git] / libstdc++-v3 / ChangeLog

2017-03-15  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>

        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  <jwakely@redhat.com>

        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  <jwakely@redhat.com>

        * 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  <jwakely@redhat.com>

        PR libstdc++/79162
        * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
        (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Replace
        with a constrained template.
        [!_GLIBCXX_USE_CXX11_ABI]
        (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): 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  <ville.voutilainen@gmail.com>

        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  <ville.voutilainen@gmail.com>

        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  <ville.voutilainen@gmail.com>

        Implement LWG 2934, optional<const T> 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  <jwakely@redhat.com>

        * 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<variant<T...>>): 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_notjrow_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  <george.lander@arm.com>

        * acinclude.m4 (glibcxx_cv_obsolete_isnan): Define
        _GLIBCXX_INCLUDE_NEXT_C_HEADERS before including math.h.
        * configure: Regenerate.

2017-03-09  Jonathan Wakely  <jwakely@redhat.com>

        * 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  <jwakely@redhat.com>

        * 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  <gerald@pfeifer.com>
            François Dumont  <frs.dumont@gmail.com>
            Jonathan Wakely  <jwakely@redhat.com>

        * doc/xml/manual/debug_mode.xml: Update and simplify note
        on link- and run-time coexistence.

2017-03-02  Jonathan Wakely  <jwakely@redhat.com>

        * 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  <gerald@pfeifer.com>

        * doc/xml/manual/documentation_hacking.xml: Tweak link to
        doxygen.org.

2017-02-23  Jonathan Wakely  <jwakely@redhat.com>

        * include/experimental/iterator: Include <iterator>.
        * testsuite/experimental/iterator/requirements.cc: Check for contents
        of <iterator>.

2017-02-19  Dinka Ranns  <dinka.ranns@googlemail.com>

        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  <gerald@pfeifer.com>

        * doc/xml/manual/debug.xml: Adjust link to ThreadSanitizer.

2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/xml/manual/io.xml: Update link to groups.google.com.
        Tweak link description.

2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
        
        * doc/xml/manual/profile_mode.xml: Fix link.

2017-02-16  Gerald Pfeifer  <gerald@pfeifer.com>

        * 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  <jwakely@redhat.com>

        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  <timshen@google.com>

        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  <timshen@google.com>

        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  <hongjiu.lu@intel.com>

        PR libstdc++/79348
        * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.

2017-02-13  Jakub Jelinek  <jakub@redhat.com>

        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  <jwakely@redhat.com>

        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  <jwakely@redhat.com>

        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  <gerald@pfeifer.com> 

        * doc/xml/manual/profile_mode.xml: Update a paper reference. 

2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>

        * src/c++11/snprintf_lite.cc (__err): Use https for bug reporting.

2017-02-08  Jonathan Wakely  <jwakely@redhat.com>

        * 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  <gerald@pfeifer.com>
        
        * doc/xml/manual/profile_mode.xml: Unbreak link to
        "Optimizing Sorting with Machine Learning Algorithms".

2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
        
        * src/c++11/snprintf_lite.cc (__err): Update bug reporting URL.

2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
        
        * doc/xml/manual/abi.xml: Update link to "Sun Studio 11: C++
        Migration Guide".

2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>

        * 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  <gerald@pfeifer.com>

        * doc/xml/manual/status_cxx2017.xml: Fix link to N4284.

2017-02-06  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/79323
        * testsuite/20_util/duration/literals/range.cc: Prune extra output
        at -O0.

2017-02-06  Gerald Pfeifer  <gerald@pfeifer.com>

        * 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  <jwakely@redhat.com>

        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  <hongjiu.lu@intel.com>

        * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.

2017-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * 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  <jwakely@redhat.com>

        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  <ville.voutilainen@gmail.com>

        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  <jwakely@redhat.com>

        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  <jwakely@redhat.com>

        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  <jakub@redhat.com>

        * libsupc++/eh_atomics.h: Update copyright years.
        * testsuite/20_util/unique_ptr/cons/default.cc: Update copyright years.

2017-01-25  Jonathan Wakely  <jwakely@redhat.com>

        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  <jwakely@redhat.com>

        PR libstdc++/79206
        * include/experimental/string_view (operator==): Check sizes first.
        * include/std/string_view (operator==): Likewise.

2017-01-23  Jonathan Wakely  <jwakely@redhat.com>

        * testsuite/experimental/array/make_array.cc: Restore <functional>
        inclusion.

2017-01-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * testsuite/29_atomics/atomic/69301.cc: Require atomic builtins.

2017-01-23  Jonathan Wakely  <jwakely@redhat.com>

        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  <gerald@pfeifer.com>

        * doc/xml/manual/debug.xml: code.google.com uses https now.

2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
        
        * doc/xml/manual/test.xml: Fix link into gccint online manual.

2017-01-21  Ville Voutilainen  <ville.voutilainen@gmail.com>

        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<optional<_Tp>>): 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<variant<_Types...>>): 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  <joe.s@somniumtech.com>

        * acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): Support uint20_t.
        * configure: Regenerate.

2017-01-20  Jonathan Wakely  <jwakely@redhat.com>

        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  <jwakely@redhat.com>

        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<C>): Use converting constructor.
        (__val_comp_iter(_Iter_comp_iter<C>): 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  <jwakely@redhat.com>

        PR libstdc++/69301
        * include/std/atomic (atomic<T>::load, atomic<T>::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  <joshconner@google.com>

        * crossconfig.m4: Add fuchsia OS.
        * configure: Regenerate. 

2017-01-17  Jonathan Wakely  <jwakely@redhat.com>

        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  <jakub@redhat.com>

        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  <jwakely@redhat.com>

        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  <ville.voutilainen@gmail.com>

        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  <jwakely@redhat.com>

        * 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  <jwakely@redhat.com>

        PR libstdc++/65411
        * config/io/basic_file_stdio.cc (__basic_file<char>::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  <ville.voutilainen@gmail.com>

        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  <jwakely@redhat.com>

        * 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  <lucdanton@free.fr>

        PR libstdc++/78361
        * include/std/type_traits (__is_referenceable): Handle noexcept
        function types.

2017-01-12  Jonathan Wakely  <jwakely@redhat.com>

        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  <jwakely@redhat.com>

        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  <ville.voutilainen@gmail.com>

        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<false, _Types...>::_M_reset_impl): Use
        _index_type for comparison with variant_npos.
        (_Variant_storage<false, _Types...>::__index_type): New.
        (_Variant_storage<false, _Types...>::_M_index): Change the
        type from size_t to __index_type.
        (_Variant_storage<true, _Types...>::__index_type): New.
        (_Variant_storage<true, _Types...>::_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  <jwakely@redhat.com>

        * 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 <felipe@expertisesolutions.com.br>

        * 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  <fdumont@gcc.gnu.org>
            Jonathan Wakely  <jwakely@redhat.com>

        * 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  <jwakely@redhat.com>

        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  <jwakely@redhat.com>
            Aditya Kumar  <hiraditya@msn.com>

        PR libstdc++/66414
        * include/bits/basic_string.tcc
        (basic_string::find(const CharT*, size_type, size_type)): Optimize.

2017-01-06  Jonathan Wakely  <jwakely@redhat.com>

        * 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 <cassert> header.

        PR libstdc++/78968
        * crossconfig.m4: Check for __cxa_thread_atexit on *-*-freebsd*.
        * configure: Regenerate.

2017-01-06  Barrett Adair  <barrettellisadair@gmail.com>
            Jonathan Wakely  <jwakely@redhat.com>

        * include/std/variant (variant, swap): Replace __and_ usage with fold
        expressions.

2017-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        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  <jwakely@redhat.com>

        * 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  <jwakely@redhat.com>

        * include/bits/std_function.h (function::_Signature_type): Remove.
        (function::function(_Functor)): Adjust.

2017-01-05  Tim Shen  <timshen@google.com>

        PR libstdc++/78996
        * include/std/variant (__gen_vtable_impl): rename __unused to
        __dimensions to avoid naming conflict.

2017-01-04  Jonathan Wakely  <jwakely@redhat.com>

        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  <ville.voutilainen@gmail.com>

        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  <suokkos@gmail.com>
            Jonathan Wakely  <jwakely@redhat.com>

        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  <gerald@pfeifer.com>

        * doc/xml/manual/documentation_hacking.xml: sourceforge.net now
        defaults to https; adjust reference.

2017-01-03  Jonathan Wakely  <jwakely@redhat.com>

        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  <gerald@pfeifer.com>

        * doc/xml/faq.xml: Update address of C++ ABI link.
        * doc/xml/manual/abi.xml: Ditto.
        
2017-01-01  Jakub Jelinek  <jakub@redhat.com>

        Update copyright years.
\f
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