+2018-05-09 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/std_function.h (_Base_manager::_M_get_pointer):
+ Use constexpr if in C++17 mode.
+ (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
+ Copy from const object.
+ * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
+
+2018-05-08 François Dumont <fdumont@gcc.gnu.org>
+
+ * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
+ [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
+ backtrace.
+
+ * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
+ * include/debug/functions.h (__check_valid_range): Use latter.
+ * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
+ use latter.
+ * include/debug/deque
+ (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
+ * include/debug/forward_list
+ (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
+ Likewise.
+ * include/debug/list
+ (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
+ * include/debug/list
+ (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
+ * include/debug/map.h
+ (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
+ (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
+ Likewise.
+ * include/debug/multimap.h
+ (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
+ (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
+ const _Alloc&)): Likewise.
+ * include/debug/set.h
+ (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
+ (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
+ Likewise.
+ * include/debug/multiset.h
+ (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
+ (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
+ const _Alloc&)): Likewise.
+ * include/debug/string
+ (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
+ Likewise.
+ * include/debug/unordered_map
+ (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
+ Likewise.
+ (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
+ const _Alloc&)): Likewise.
+ * include/debug/unordered_set
+ (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
+ Likewise.
+ (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
+ const _Alloc&)): Likewise.
+ * include/debug/vector
+ (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
+
+ * include/debug/formatter.h (_Error_formatter::_M_function): New.
+ (_Error_formatter(const char*, unsigned int)): Adapt.
+ (_Error_formatter::_M_at): Rename in...
+ (_Error_formatter::_S_at): ...that and adapt.
+ * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
+ (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
+ * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
+ when available.
+
+2018-05-08 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
+ Use normal std::vector even in Debug Mode.
+
+ PR libstdc++/85672
+ * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
+ to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
+ * include/Makefile.in: Regenerate.
+ * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
+ within conditional block.
+
+2018-05-07 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/using.xml (table.cmd_options): Document that the
+ C++17 Filesystem implementation also needs -lstdc++fs.
+
+ PR libstdc++/85671
+ * include/bits/fs_path.h (operator/): Permit copy elision.
+ * include/experimental/bits/fs_path.h (operator/): Likewise.
+
+2018-05-07 Edward Smith-Rowland <3dw4rd@verizon.net>
+
+ Moar PR libstdc++/80506
+ * include/bits/random.tcc (gamma_distribution::__generate_impl()):
+ Fix magic number used in loop condition.
+
+2018-05-04 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
+ * include/std/optional (_Optional_payload): Add noexcept to default
+ constructor. Re-indent.
+ (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
+ constructor for copying disengaged payloads.
+ (_Optional_payload<_Tp, true, false, true>): Likewise.
+ (_Optional_payload<_Tp, true, true, false>): Likewise.
+ (_Optional_payload<_Tp, true, false, false>): Likewise.
+ * testsuite/20_util/optional/cons/85642.cc: New.
+ * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
+
2018-05-03 Jonathan Wakely <jwakely@redhat.com>
+ PR libstdc++/82644
+ * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
+ inline definitions instead of using-declarations.
+ [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
+ * testsuite/tr1/5_numerical_facilities/special_functions/
+ 07_conf_hyperg/compile_cxx17.cc: New.
+ * testsuite/tr1/5_numerical_facilities/special_functions/
+ 17_hyperg/compile_cxx17.cc: New.
+
+ PR libstdc++/84769
+ * include/std/variant (visit): Qualify std::get call.
+
+ PR libstdc++/85632 use uintmax_t for arithmetic
+ * src/filesystem/ops.cc (experimental::filesystem::space): Perform
+ arithmetic in result type.
+ * src/filesystem/std-ops.cc (filesystem::space): Likewise.
+ * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
+ is greater than free space.
+ * testsuite/experimental/filesystem/operations/space.cc: New.
+
+ * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
+ * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
+ New.
+ * testsuite/20_util/remove_cvref/value.cc: New.
+ * testsuite/20_util/remove_cvref/value_ext.cc: New.
+
+ PR libstdc++/84087 LWG DR 2268 basic_string default arguments
+ * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
+ (append(const basic_string&, size_type, size_type)
+ (assign(const basic_string&, size_type, size_type)
+ (insert(size_type, const basic_string&, size_type, size_type)
+ (replace(size_type,size_type,const basic_string&,size_type,size_type)
+ (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
+ Add default arguments (LWG 2268).
+ [_GLIBCXX_USE_CXX11_ABI=0]
+ (append(const basic_string&, size_type, size_type)
+ (assign(const basic_string&, size_type, size_type)
+ (insert(size_type, const basic_string&, size_type, size_type)
+ (replace(size_type,size_type,const basic_string&,size_type,size_type)
+ (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
+ Likewise.
+ * testsuite/21_strings/basic_string/dr2268.cc: New test.
+
+ PR libstdc++/84535
+ * include/std/thread (thread::__not_same): New SFINAE helper.
+ (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
+ first argument is not a std::thread. Add static assertion to check
+ INVOKE expression is valid.
+ (thread::thread(thread&), thread::thread(const thread&&)): Remove.
+ (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
+ __invoke_result for return types and remove exception specifications.
+ * testsuite/30_threads/thread/cons/84535.cc: New.
+
+ * include/std/future (__async_result_of): Use __invoke_result instead
+ of result_of.
+
* include/std/any (any_cast): Use __remove_cvref_t.
* include/std/tuple (__make_tuple): Likewise.
* include/std/type_traits (__remove_cvref_t): Define.
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