57 Commits
Author SHA1 Message Date
François Dumont 3287a5c617 libstdc++: Fix std::erase_if behavior for std::__debug containers
Complete fix of std::erase_if/std::erase for all std::__debug containers and
__gnu_debug::basic_string. Make sure that iterators erased by this function
will be properly detected as such by the debug container and so considered as
invalid.

Doing so introduce a new std::__detail::__erase_if function dealing, similarly
to std::__detail::__erase_node_if, with non-node containers.

libstdc++-v3/ChangeLog:

	* include/bits/erase_if.h (__detail::__erase_if): New.
	* include/debug/deque (std::erase_if<>(__debug::deque<>&, _Pred)): Use latter.
	* include/debug/inplace_vector (std::erase_if<>(__debug::inplace_vector<>&, _Pred)):
	Likewise.
	* include/debug/vector (std::erase_if<>(__debug::vector<>&, _Pred)): Likewise.
	* include/std/deque: Include erase_if.h.
	(std::erase_if<>(std::vector<>&, _Pred)): Adapt to use __detail::__erase_if.
	* include/std/inplace_vector (std::erase_if<>(std::inplace_vector<>&, _Pred)):
	Likewise.
	* include/std/string (std::erase_if<>(std::basic_string<>&, _Pred)): Likewise.
	* include/std/vector (std::erase_if<>(std::vector<>&, _Pred)): Likewise.
	* include/debug/forward_list
	(std::erase_if<>(__debug::forward_list<>&, _Pred)): New.
	(std::erase<>(__debug::forward_list<>&, const _Up&)): New.
	* include/debug/list
	(std::erase_if<>(__debug::list<>&, _Pred)): New.
	(std::erase<>(__debug::list<>&, const _Up&)): New.
	* include/debug/map (std::erase_if<>(__debug::map<>&, _Pred)): New.
	(std::erase_if<>(__debug::multimap<>&, _Pred)): New.
	* include/debug/set (std::erase_if<>(__debug::set<>&, _Pred)): New.
	(std::erase_if<>(__debug::multiset<>&, _Pred)): New.
	* include/debug/string
	(std::erase_if<>(__gnu_debug::basic_string<>&, _Pred)): New.
	(std::erase<>(__gnu_debug::basic_string<>&, const _Up&)): New.
	* include/debug/unordered_map
	(std::erase_if<>(__debug::unordered_map<>&, _Pred)): New.
	(std::erase_if<>(__debug::unordered_multimap<>&, _Pred)): New.
	* include/debug/unordered_set
	(std::erase_if<>(__debug::unordered_set<>&, _Pred)): New.
	(std::erase_if<>(__debug::unordered_multiset<>&, _Pred)): New.
	* include/std/forward_list (std::erase_if<>(std::forward_list<>&, _Pred)):
	Adapt to work exclusively for normal implementation.
	(std::erase<>(std::forward_list<>&, const _Up&)): Likewise.
	* include/std/list (std::erase_if<>(std::list<>&, _Pred)): Likewise.
	(std::erase<>(std::list<>&, const _Up&)): Likewise.
	* include/std/map (std::erase_if<>(std::map<>&, _Pred)): Likewise.
	(std::erase_if<>(std::multimap<>&, _Pred)): Likewise.
	Guard functions using __cpp_lib_erase_if.
	* include/std/set (std::erase_if<>(std::set<>&, _Pred)): Likewise.
	(std::erase_if<>(std::multiset<>&, _Pred)): Likewise.
	Guard functions using __cpp_lib_erase_if.
	* include/std/unordered_map
	(std::erase_if<>(std::unordered_map<>&, _Pred)): Likewise.
	(std::erase_if<>(std::unordered_multimap<>&, _Pred)): Likewise.
	Guard functions using __cpp_lib_erase_if.
	* include/std/unordered_set
	(std::erase_if<>(std::unordered_set<>&, _Pred)): Likewise.
	(std::erase_if<>(std::unordered_multiset<>&, _Pred)): Likewise.
	Guard functions using __cpp_lib_erase_if.
	* testsuite/21_strings/basic_string/debug/erase.cc: New test case.
	* testsuite/23_containers/forward_list/debug/erase.cc: New test case.
	* testsuite/23_containers/forward_list/debug/invalidation/erase.cc: New test case.
	* testsuite/23_containers/list/debug/erase.cc: New test case.
	* testsuite/23_containers/list/debug/invalidation/erase.cc: New test case.
	* testsuite/23_containers/map/debug/erase_if.cc: New test case.
	* testsuite/23_containers/map/debug/invalidation/erase_if.cc: New test case.
	* testsuite/23_containers/multimap/debug/erase_if.cc: New test case.
	* testsuite/23_containers/multimap/debug/invalidation/erase_if.cc: New test case.
	* testsuite/23_containers/multiset/debug/erase_if.cc: New test case.
	* testsuite/23_containers/multiset/debug/invalidation/erase_if.cc: New test case.
	* testsuite/23_containers/set/debug/erase_if.cc: New test case.
	* testsuite/23_containers/set/debug/invalidation/erase_if.cc: New test case.
	* testsuite/23_containers/unordered_map/debug/erase_if.cc: New test case.
	* testsuite/23_containers/unordered_map/debug/invalidation/erase_if.cc: New test case.
	* testsuite/23_containers/unordered_multimap/debug/erase_if.cc: New test case.
	* testsuite/23_containers/unordered_multimap/debug/invalidation/erase_if.cc: New test case.
	* testsuite/23_containers/unordered_multiset/debug/erase_if.cc: New test case.
	* testsuite/23_containers/unordered_multiset/debug/invalidation/erase_if.cc: New test case.
	* testsuite/23_containers/unordered_set/debug/erase_if.cc: New test case.
	* testsuite/23_containers/unordered_set/debug/invalidation/erase_if.cc: New test case.
2026-01-19 06:36:11 +01:00
Jakub Jelinek 254a858ae7 Update copyright years. 2026-01-02 09:56:11 +01:00
François Dumont e166a0f5ee libstdc++: [_GLIBCXX_DEBUG] Fix std::erase_if behavior for __gnu_debug::vector
When using directly __gnu_debug::vector the std::erase_if is called with a
reference to the std::vector base class and so is missing the invalidation
of the iterators implied by this operation.

To fix this provide a std::erase_if overload dedicated to __gnu_debug::vector.
Doing so we can cleanup the implementation dedicated to std::vector from any
_GLIBCXX_DEBUG consideration.

libstdc++-v3/ChangeLog:

	* include/debug/vector (std::erase_if, std::erase): New overloads for
	std::__debug::vector instances.
	* include/std/vector (std::erase_if, std::erase): Make overloads specific
	to normal std::vector implementation.
	* testsuite/23_containers/vector/debug/erase.cc: New test case.
	* testsuite/23_containers/vector/debug/invalidation/erase.cc: New test case.
2025-11-20 19:10:20 +01:00
Tomasz Kamiński c8b388a948 libstdc++: Implement P3235R3 optimizations for std::print [PR121790]
This patch implements additional enable_nonlocking_formatter_optimization
specializations listed in P3235R3.

	PR libstdc++/121790

libstdc++-v3/ChangeLog:

	* include/bits/chrono_io.h
	(enable_nonlocking_formatter_optimization): Define specializations
	for chrono types.
	* include/bits/version.def (print): Bump.
	* include/bits/version.h: Regenerate.
	* include/std/format (enable_nonlocking_formatter_optimization):
	Define specializations for pair, tuple and ranges.
	* include/std/queue (enable_nonlocking_formatter_optimization):
	Define specializations for queue and priority_queue.
	* include/std/stack (enable_nonlocking_formatter_optimization):
	Define specialization for stack.
	* include/std/stacktrace (enable_nonlocking_formatter_optimization):
	Define specialization for basic_stacktrace and stacktrace_entry.
	* include/std/thread (enable_nonlocking_formatter_optimization):
	Define specialization for thread::id.
	* include/std/vector (enable_nonlocking_formatter_optimization):
	Define specialization for vector<bool>::reference.
	* testsuite/23_containers/vector/bool/format.cc: Test value of
	enable_nonlocking_formatter_optimization.
	* testsuite/30_threads/thread/id/output.cc: Likewise.
	* testsuite/std/format/ranges/adaptors.cc: Likewise.
	* testsuite/std/format/ranges/formatter.cc: Likewise.
	* testsuite/std/format/tuple.cc: Likewise.
	* testsuite/std/time/format/empty_spec.cc: Extract Rep class
	to custom_rep.h.
	* testsuite/std/time/format/custom_rep.h: Extracted from
	empty_spec.cc.
	* testsuite/std/time/format/nonlocking.cc: New test.

Reviewed-by: Jonathan Wakely <jwakely@redhat.com>
2025-10-10 09:13:00 +02:00
François Dumont 88e9cc95ab libstdc++: Avoid _GLIBCXX20_CONSTEXPR in C++ >= 20 code sections
libstdc++-v3/ChangeLog:

	* include/std/vector (std::erase_if, std::erase): Replace _GLIBCXX20_CONSTEXPR
	with 'constexpr' and remove implied 'inline' keyword.
	* include/std/string (std::erase_if, std::erase): Likewise.
2025-10-01 21:52:44 +02:00
Jonathan Wakely b83c2e52a2 libstdc++: Simplify std::erase functions for sequence containers
This removes the use of std::ref that meant that __remove_if used an
indirection through the reference, which might be a pessimization. Users
can always use std::ref to pass expensive predicates into erase_if, but
we shouldn't do it unconditionally. We can std::move the predicate so
that if it's not cheap to copy and the user didn't use std::ref, then we
try to use a cheaper move instead of a copy.

There's no reason that std::erase shouldn't just be implemented by
forwarding to std::erase_if. I probably should have done that in
r12-4083-gacf3a21cbc26b3 when std::erase started to call __remove_if
directly.

libstdc++-v3/ChangeLog:

	* include/std/deque (erase_if): Move predicate instead of
	wrapping with std::ref.
	(erase): Forward to erase_if.
	* include/std/inplace_vector (erase_if, erase): Likewise.
	* include/std/string (erase_if, erase): Likewise.
	* include/std/vector (erase_if, erase): Likewise.

Reviewed-by: Tomasz Kamiński <tkaminsk@redhat.com>
2025-09-26 11:05:54 +01:00
Jonathan Wakely aaeca77a79 libstdc++: Eliminate __gnu_cxx::__ops function objects
This removes the indirect functors from <bits/predefined_ops.h> that are
used by our STL algorithms. Currently we wrap all predicates and values
into callables which accept iterator arguments, and automatically
dereference the iterators. With this change we no longer do that
dereferencing and so all predicates are passed values not iterators, and
the algorithms that invoke those predicates must dereference the
iterators.

This avoids wrapping user-provided predicates into another predicate
that does the dereferencing. User-provided predicates are now passed
unchanged to our internal algos like __search_n. For the overloads that
take a value instead of a predicate, we still need to create a predicate
that does comparison to the value, but we can now use std::less<void>
and std::equal_to<void> as the base predicate and bind the value to
those base predicates.

Because the "transparent operators" std::less<void> and
std::equal_to<void> were not added until C++14, this change defines
those explicit specializations unconditionally for C++98 and C++11 too
(but the default template arguments that make std::less<> and
std::equal_to<> refer to those specializations are still only present
for C++14 and later, because we don't need to rely on those default
template arguments for our internal uses).

When binding a predicate and a value into a new call wrapper, we now
decide whether to store the predicate by value when it's an empty type
or a scalar (such as a function pointer). This avoids a
double-indirection through function pointers, and avoids storing and
invoking stateless empty functors through a reference. For C++11 and
later we also use [[no_unique_address]] to avoid wasted storage for
empty predicates (which includes all standard relational ops, such as
std::less).

The call wrappers in bits/predefined_ops.h all have non-const operator()
because we can't be sure that the predicates they wrap are
const-invocable. The requirements in [algorithms.requirements] for
Predicate and BinaryPredicate template arguments require pred(*i) to be
valid, but do not require that std::to_const(pred)(*i) has to be valid,
and similarly for binary_pred.

libstdc++-v3/ChangeLog:

	* include/bits/predefined_ops.h (equal_to, less): Define aliases
	for std::equal_to<void> and std::less<void>.
	(bind1st, bind2nd, not1, __equal_to): New object generator
	functions for adapting predicates.
	(__iter_less_iter, __iter_less_val, __iter_comp_val)
	(__val_less_iter, __val_comp_iter, __iter_equal_to_iter)
	(__iter_equal_to_val, __iter_comp_iter, __negate): Remove all
	object generator functions and the class templates they return.
	* include/bits/stl_algo.h (__move_median_to_first, __find_if_not)
	(__find_if_not_n, __search_n_aux, find_end, find_if_not)
	(__remove_copy_if, remove_copy, remove_copy_if, remove)
	(remove_if, __adjacent_find, __unique, unique, __unique_copy)
	(__unique_copy_1, __stable_partition_adaptive, stable_partition)
	(__heap_select, __partial_sort_copy, partial_sort_copy)
	(__unguarded_linear_insert, __insertion_sort)
	(__unguarded_insertion_sort, __unguarded_partition)
	(lower_bound, __upper_bound, upper_bound, __equal_range)
	(equal_range, binary_search, __move_merge_adaptive)
	(__move_merge_adaptive_backward, __merge_adaptive_resize)
	(__merge_without_buffer, inplace_merge, __move_merge)
	(__includes, includes, __next_permutation, next_permutation)
	(__prev_permutation, prev_permutation, __replace_copy_if)
	(replace_copy, replace_copy_if, __is_sorted_until)
	(is_sorted_until, __minmax_element, minmax_element, minmax)
	(is_permutation, __is_permutation, find, find_if, adjacent_find)
	(count, count_if, search, search_n, unique_copy, partial_sort)
	(nth_element, sort, __merge, merge, stable_sort, __set_union)
	(set_union, __set_intersection, set_intersection)
	(__set_difference, set_difference, __set_symmetric_difference)
	(set_symmetric_difference, __min_element, min_element)
	(__max_element, max_element, min, max): Use direct predicates
	instead of __iter_equal_to_iter, __iter_comp_iter, and
	__iter_less_iter, __negate etc. Dereference iterators when
	invoking predicates.
	* include/bits/stl_algobase.h (__lexicographical_compare_impl)
	(__lexicographical_compare::__lc, __lower_bound, lower_bound)
	(lexicographical_compare, __mismatch, mismatch, __find_if)
	(__count_if, __remove_if, __search, __is_permutation)
	(is_permutation, search): Likewise.
	* include/bits/stl_function.h (equal_to<void>, less<void>):
	Define transparent comparison functions for C++98 and C++11.
	* include/bits/stl_heap.h (__is_heap_until, __is_heap)
	(__push_heap, push_heap, __adjust_heap, pop_heap, make_heap)
	(sort_heap, is_heap_until, is_heap): Likewise.
	* include/std/deque (erase_if): Remove call to __pred_iter.
	(erase): Replace __iter_equals_val with __equal_to.
	* include/std/inplace_vector (erase_if, erase): Likewise.
	* include/std/string (erase_if, erase): Likewise.
	* include/std/vector (erase_if, erase): Likewise.

Reviewed-by: Tomasz Kamiński <tkaminsk@redhat.com>
Reviewed-by: François Dumont <frs.dumont@gmail.com>
2025-09-26 11:05:49 +01:00
Tomasz Kamiński ae54d8cb51 libstdc++: Define __cpp_lib_containers_ranges in appropriate headers [PR111055]
This is final piece of P1206R7, adding a feature test macros,
as range constructors and member operations are now implemented for
all containers and adaptors.

For consistency with the proposal, all new container operations and
helpers are now defined if __glibcxx_containers_ranges, instead
of __glibcxx_ranges_to_container.

	PR libstdc++/111055

libstdc++-v3/ChangeLog:

	* include/bits/version.def (containers_ranges): Define.
	* include/bits/version.h: Regenerate.
	* include/bits/ranges_base.h (__detail::__container_compatible_range)
	(__detail::__range_to_alloc_type, __detail::__range_mapped_type)
	(__detail::__range_key_type): Depend on __glibcxx_containers_ranges
	instead of __glibcxx_ranges_to_container.
	* include/bits/basic_string.h: Replace __glibcxx_ranges_to_container with
	__glibcxx_containers_ranges.
	* include/bits/cow_string.h: Likewise.
	* include/bits/deque.tcc: Likewise.
	* include/bits/forward_list.h: Likewise.
	* include/bits/stl_bvector.h: Likewise.
	* include/bits/stl_deque.h: Likewise.
	* include/bits/stl_list.h: Likewise.
	* include/bits/stl_map.h: Likewise.
	* include/bits/stl_multimap.h: Likewise.
	* include/bits/stl_multiset.h: Likewise.
	* include/bits/stl_queue.h: Likewise.
	* include/bits/stl_set.h: Likewise.
	* include/bits/stl_stack.h: Likewise.
	* include/bits/stl_vector.h: Likewise.
	* include/bits/unordered_map.h: Likewise.
	* include/bits/unordered_set.h: Likewise.
	* include/bits/vector.tcc: Likewise.
	* include/debug/deque: Likewise.
	* include/debug/forward_list: Likewise.
	* include/debug/list: Likewise.
	* include/debug/map.h: Likewise.
	* include/debug/multimap.h: Likewise.
	* include/debug/multiset.h: Likewise.
	* include/debug/set.h: Likewise.
	* include/debug/unordered_map: Likewise.
	* include/debug/unordered_set: Likewise.
	* include/debug/vector: Likewise.
	* include/std/deque: Provide __cpp_lib_containers_ranges.
	* include/std/forward_list: Likewise.
	* include/std/list: Likewise.
	* include/std/map: Likewise.
	* include/std/queue: Likewise.
	* include/std/set: Likewise.
	* include/std/stack: Likewise.
	* include/std/string: Likewise.
	* include/std/unordered_map: Likewise.
	* include/std/unordered_set: Likewise.
	* include/std/vector: Likewise.
	* testsuite/21_strings/basic_string/cons/from_range.cc: Test for value
	__cpp_lib_containers_ranges.
	* testsuite/23_containers/deque/cons/from_range.cc: Likewise.
	* testsuite/23_containers/forward_list/cons/from_range.cc: Likewise.
	* testsuite/23_containers/list/cons/from_range.cc: Likewise.
	* testsuite/23_containers/map/cons/from_range.cc: Likewise.
	* testsuite/23_containers/multimap/cons/from_range.cc: Likewise.
	* testsuite/23_containers/multiset/cons/from_range.cc: Likewise.
	* testsuite/23_containers/priority_queue/cons_from_range.cc: Likewise.
	* testsuite/23_containers/queue/cons_from_range.cc: Likewise.
	* testsuite/23_containers/set/cons/from_range.cc: Likewise.
	* testsuite/23_containers/stack/cons_from_range.cc: Likewise.
	* testsuite/23_containers/unordered_map/cons/from_range.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/cons/from_range.cc: Likewise.
	* testsuite/23_containers/unordered_multiset/cons/from_range.cc: Likewise.
	* testsuite/23_containers/unordered_set/cons/from_range.cc: Likewise.
	* testsuite/23_containers/vector/bool/cons/from_range.cc: Likewise.
	* testsuite/23_containers/vector/cons/from_range.cc: Likewise.

Reviewed-by: Jonathan Wakely <jwakely@redhat.com>
Signed-off-by: Tomasz Kamiński <tkaminsk@redhat.com>
2025-04-11 13:56:03 +02:00
Tomasz Kamiński 84d668b0ca libstdc++: Provide formatter for vector<bool>::reference [PR109162]
This patch implement formatter for vector<bool>::reference which
is part of P2286R8.

To indicate partial support we define __glibcxx_format_ranges macro
value 1, without defining __cpp_lib_format_ranges.

To avoid including the whole content of the <format> header, we
introduce new bits/formatfwd.h forward declares classes required
for newly introduce formatter.

The signatures of the user-facing parse and format method of the provided
formatters deviate from the standard by constraining types of params:
* _Bit_reference instead T satisfying is-vector-bool-reference<T>
* _CharT is constrained __formatter::__char
* basic_format_parse_context<_CharT> for parse argument
* basic_format_context<_Out, _CharT> for format second argument
The standard specifies last three of above as unconstrained types, which leads
to formattable<vector<bool>::reference, char32_t> (and any other type as char)
being true.

	PR libstdc++/109162

libstdc++-v3/ChangeLog:

	* include/Makefile.am: Add bits/formatfwd.h.
	* include/Makefile.in: Add bits/formatfwd.h.
	* include/bits/version.def: Define __glibcxx_format_ranges without
	corresponding std name.
	* include/bits/version.h: Regenerate.
	* include/std/format (basic_format_context, __format::__char):
	Move declartions to bits/formatfwd.h.
	(formatter<_Tp, _CharT>): Remove default argument for _CharT
	parameter, now specified in forward declaration in bits/formatfwd.h.
	* include/std/vector (formatter<_Bit_reference, _CharT>): Define.
	* include/bits/formatfwd.h: New file with forward declarations
	for bits of std/format.
	* testsuite/23_containers/vector/bool/format.cc: New test.

Reviewed-by: Jonathan Wakely <jwakely@redhat.com>
Signed-off-by: Tomasz Kamiński <tkaminsk@redhat.com>
2025-04-04 13:03:34 +02:00
Jakub Jelinek 6441eb6dc0 Update copyright years. 2025-01-02 11:59:57 +01:00
Jason Merrill 63a598deb0 libstdc++: #ifdef out #pragma GCC system_header
In r15-3714-gd3a7302ec5985a I added -Wsystem-headers to the libstdc++ build
flags to help catch problems in the library.  This patch takes a different
approach, of disabling the #pragma system_header unless _GLIBCXX_SYSHDR is
defined.  As a result, the testsuites will treat them as non-system-headers
to get better warning coverage during regression testing of both gcc and
libstdc++, not just when building the library.

My rationale for the #ifdef instead of just removing the #pragma is the
three G++ tests that want to test libstdc++ system header behavior, so we
need a way to select it.

This doesn't affect installed libraries, as they get their
system-header status from the lookup path.  But testsuite_flags
--build-includes gives -I directives rather than -isystem.

This patch doesn't change the headers in config/ because I'm not compiling
with most of them, so won't see any warnings that need fixing.  Adjusting
them could happen later, or we can not bother.

libstdc++-v3/ChangeLog:

	* acinclude.m4 (WARN_FLAGS): Remove -Wsystem-headers.
	* configure: Regenerate.
	* include/bits/algorithmfwd.h: #ifdef out #pragma GCC system_header.
	* include/bits/atomic_base.h
	* include/bits/atomic_futex.h
	* include/bits/atomic_timed_wait.h
	* include/bits/atomic_wait.h
	* include/bits/basic_ios.h
	* include/bits/basic_string.h
	* include/bits/boost_concept_check.h
	* include/bits/char_traits.h
	* include/bits/charconv.h
	* include/bits/chrono.h
	* include/bits/chrono_io.h
	* include/bits/codecvt.h
	* include/bits/concept_check.h
	* include/bits/cpp_type_traits.h
	* include/bits/elements_of.h
	* include/bits/enable_special_members.h
	* include/bits/erase_if.h
	* include/bits/forward_list.h
	* include/bits/functional_hash.h
	* include/bits/gslice.h
	* include/bits/gslice_array.h
	* include/bits/hashtable.h
	* include/bits/indirect_array.h
	* include/bits/invoke.h
	* include/bits/ios_base.h
	* include/bits/iterator_concepts.h
	* include/bits/locale_classes.h
	* include/bits/locale_facets.h
	* include/bits/locale_facets_nonio.h
	* include/bits/localefwd.h
	* include/bits/mask_array.h
	* include/bits/max_size_type.h
	* include/bits/memory_resource.h
	* include/bits/memoryfwd.h
	* include/bits/move_only_function.h
	* include/bits/node_handle.h
	* include/bits/ostream_insert.h
	* include/bits/out_ptr.h
	* include/bits/parse_numbers.h
	* include/bits/postypes.h
	* include/bits/quoted_string.h
	* include/bits/range_access.h
	* include/bits/ranges_base.h
	* include/bits/refwrap.h
	* include/bits/sat_arith.h
	* include/bits/semaphore_base.h
	* include/bits/slice_array.h
	* include/bits/std_abs.h
	* include/bits/std_function.h
	* include/bits/std_mutex.h
	* include/bits/std_thread.h
	* include/bits/stl_iterator_base_funcs.h
	* include/bits/stl_iterator_base_types.h
	* include/bits/stl_tree.h
	* include/bits/stream_iterator.h
	* include/bits/streambuf_iterator.h
	* include/bits/stringfwd.h
	* include/bits/this_thread_sleep.h
	* include/bits/unique_lock.h
	* include/bits/uses_allocator_args.h
	* include/bits/utility.h
	* include/bits/valarray_after.h
	* include/bits/valarray_array.h
	* include/bits/valarray_before.h
	* include/bits/version.h
	* include/c_compatibility/fenv.h
	* include/c_compatibility/inttypes.h
	* include/c_compatibility/stdint.h
	* include/decimal/decimal.h
	* include/experimental/bits/net.h
	* include/experimental/bits/shared_ptr.h
	* include/ext/aligned_buffer.h
	* include/ext/alloc_traits.h
	* include/ext/atomicity.h
	* include/ext/concurrence.h
	* include/ext/numeric_traits.h
	* include/ext/pod_char_traits.h
	* include/ext/pointer.h
	* include/ext/stdio_filebuf.h
	* include/ext/stdio_sync_filebuf.h
	* include/ext/string_conversions.h
	* include/ext/type_traits.h
	* include/ext/vstring.h
	* include/ext/vstring_fwd.h
	* include/ext/vstring_util.h
	* include/parallel/algorithmfwd.h
	* include/parallel/numericfwd.h
	* include/tr1/functional_hash.h
	* include/tr1/hashtable.h
	* include/tr1/random.h
	* libsupc++/exception.h
	* libsupc++/hash_bytes.h
	* include/bits/basic_ios.tcc
	* include/bits/basic_string.tcc
	* include/bits/fstream.tcc
	* include/bits/istream.tcc
	* include/bits/locale_classes.tcc
	* include/bits/locale_facets.tcc
	* include/bits/locale_facets_nonio.tcc
	* include/bits/ostream.tcc
	* include/bits/sstream.tcc
	* include/bits/streambuf.tcc
	* include/bits/string_view.tcc
	* include/bits/version.tpl
	* include/experimental/bits/string_view.tcc
	* include/ext/pb_ds/detail/resize_policy/hash_prime_size_policy_imp.hpp
	* include/ext/random.tcc
	* include/ext/vstring.tcc
	* include/tr2/bool_set.tcc
	* include/tr2/dynamic_bitset.tcc
	* include/bits/c++config
	* include/c/cassert
	* include/c/cctype
	* include/c/cerrno
	* include/c/cfloat
	* include/c/ciso646
	* include/c/climits
	* include/c/clocale
	* include/c/cmath
	* include/c/csetjmp
	* include/c/csignal
	* include/c/cstdarg
	* include/c/cstddef
	* include/c/cstdio
	* include/c/cstdlib
	* include/c/cstring
	* include/c/ctime
	* include/c/cuchar
	* include/c/cwchar
	* include/c/cwctype
	* include/c_global/cassert
	* include/c_global/ccomplex
	* include/c_global/cctype
	* include/c_global/cerrno
	* include/c_global/cfenv
	* include/c_global/cfloat
	* include/c_global/cinttypes
	* include/c_global/ciso646
	* include/c_global/climits
	* include/c_global/clocale
	* include/c_global/cmath
	* include/c_global/csetjmp
	* include/c_global/csignal
	* include/c_global/cstdalign
	* include/c_global/cstdarg
	* include/c_global/cstdbool
	* include/c_global/cstddef
	* include/c_global/cstdint
	* include/c_global/cstdio
	* include/c_global/cstdlib
	* include/c_global/cstring
	* include/c_global/ctgmath
	* include/c_global/ctime
	* include/c_global/cuchar
	* include/c_global/cwchar
	* include/c_global/cwctype
	* include/c_std/cassert
	* include/c_std/cctype
	* include/c_std/cerrno
	* include/c_std/cfloat
	* include/c_std/ciso646
	* include/c_std/climits
	* include/c_std/clocale
	* include/c_std/cmath
	* include/c_std/csetjmp
	* include/c_std/csignal
	* include/c_std/cstdarg
	* include/c_std/cstddef
	* include/c_std/cstdio
	* include/c_std/cstdlib
	* include/c_std/cstring
	* include/c_std/ctime
	* include/c_std/cuchar
	* include/c_std/cwchar
	* include/c_std/cwctype
	* include/debug/array
	* include/debug/bitset
	* include/debug/deque
	* include/debug/forward_list
	* include/debug/list
	* include/debug/map
	* include/debug/set
	* include/debug/string
	* include/debug/unordered_map
	* include/debug/unordered_set
	* include/debug/vector
	* include/decimal/decimal
	* include/experimental/algorithm
	* include/experimental/any
	* include/experimental/array
	* include/experimental/buffer
	* include/experimental/chrono
	* include/experimental/contract
	* include/experimental/deque
	* include/experimental/executor
	* include/experimental/filesystem
	* include/experimental/forward_list
	* include/experimental/functional
	* include/experimental/internet
	* include/experimental/io_context
	* include/experimental/iterator
	* include/experimental/list
	* include/experimental/map
	* include/experimental/memory
	* include/experimental/memory_resource
	* include/experimental/net
	* include/experimental/netfwd
	* include/experimental/numeric
	* include/experimental/propagate_const
	* include/experimental/ratio
	* include/experimental/regex
	* include/experimental/scope
	* include/experimental/set
	* include/experimental/socket
	* include/experimental/string
	* include/experimental/string_view
	* include/experimental/synchronized_value
	* include/experimental/system_error
	* include/experimental/timer
	* include/experimental/tuple
	* include/experimental/type_traits
	* include/experimental/unordered_map
	* include/experimental/unordered_set
	* include/experimental/vector
	* include/ext/algorithm
	* include/ext/cmath
	* include/ext/functional
	* include/ext/iterator
	* include/ext/memory
	* include/ext/numeric
	* include/ext/random
	* include/ext/rb_tree
	* include/ext/rope
	* include/parallel/algorithm
	* include/std/algorithm
	* include/std/any
	* include/std/array
	* include/std/atomic
	* include/std/barrier
	* include/std/bit
	* include/std/bitset
	* include/std/charconv
	* include/std/chrono
	* include/std/codecvt
	* include/std/complex
	* include/std/concepts
	* include/std/condition_variable
	* include/std/coroutine
	* include/std/deque
	* include/std/execution
	* include/std/expected
	* include/std/filesystem
	* include/std/format
	* include/std/forward_list
	* include/std/fstream
	* include/std/functional
	* include/std/future
	* include/std/generator
	* include/std/iomanip
	* include/std/ios
	* include/std/iosfwd
	* include/std/iostream
	* include/std/istream
	* include/std/iterator
	* include/std/latch
	* include/std/limits
	* include/std/list
	* include/std/locale
	* include/std/map
	* include/std/memory
	* include/std/memory_resource
	* include/std/mutex
	* include/std/numbers
	* include/std/numeric
	* include/std/optional
	* include/std/ostream
	* include/std/print
	* include/std/queue
	* include/std/random
	* include/std/ranges
	* include/std/ratio
	* include/std/regex
	* include/std/scoped_allocator
	* include/std/semaphore
	* include/std/set
	* include/std/shared_mutex
	* include/std/span
	* include/std/spanstream
	* include/std/sstream
	* include/std/stack
	* include/std/stacktrace
	* include/std/stdexcept
	* include/std/streambuf
	* include/std/string
	* include/std/string_view
	* include/std/syncstream
	* include/std/system_error
	* include/std/text_encoding
	* include/std/thread
	* include/std/tuple
	* include/std/type_traits
	* include/std/typeindex
	* include/std/unordered_map
	* include/std/unordered_set
	* include/std/utility
	* include/std/valarray
	* include/std/variant
	* include/std/vector
	* include/std/version
	* include/tr1/array
	* include/tr1/cfenv
	* include/tr1/cinttypes
	* include/tr1/cmath
	* include/tr1/complex
	* include/tr1/cstdbool
	* include/tr1/cstdint
	* include/tr1/cstdio
	* include/tr1/cstdlib
	* include/tr1/cwchar
	* include/tr1/cwctype
	* include/tr1/functional
	* include/tr1/memory
	* include/tr1/random
	* include/tr1/regex
	* include/tr1/tuple
	* include/tr1/type_traits
	* include/tr1/unordered_map
	* include/tr1/unordered_set
	* include/tr1/utility
	* include/tr2/bool_set
	* include/tr2/dynamic_bitset
	* include/tr2/type_traits
	* libsupc++/atomic_lockfree_defines.h
	* libsupc++/compare
	* libsupc++/cxxabi.h
	* libsupc++/cxxabi_forced.h
	* libsupc++/cxxabi_init_exception.h
	* libsupc++/exception
	* libsupc++/initializer_list
	* libsupc++/new
	* libsupc++/typeinfo: Likewise.
	* testsuite/20_util/ratio/operations/ops_overflow_neg.cc
	* testsuite/23_containers/array/tuple_interface/get_neg.cc
	* testsuite/23_containers/vector/cons/destructible_debug_neg.cc
	* testsuite/24_iterators/operations/prev_neg.cc
	* testsuite/ext/type_traits/add_unsigned_floating_neg.cc
	* testsuite/ext/type_traits/add_unsigned_integer_neg.cc
	* testsuite/ext/type_traits/remove_unsigned_floating_neg.cc
	* testsuite/ext/type_traits/remove_unsigned_integer_neg.cc: Adjust
	line numbers.

gcc/testsuite/ChangeLog

	* g++.dg/analyzer/fanalyzer-show-events-in-system-headers-default.C
	* g++.dg/analyzer/fanalyzer-show-events-in-system-headers-no.C
	* g++.dg/diagnostic/disable.C: #define _GLIBCXX_SYSHDR.
2024-09-25 08:20:45 -04:00
Jonathan Wakely dc47add792 libstdc++: add default template parameters to algorithms
This implements P2248R8 + P3217R0, both approved for C++26.
The changes are mostly mechanical; the struggle is to keep readability
with the pre-P2248 signatures.

* For containers, "classic STL" algorithms and their parallel versions,
  introduce a macro and amend their declarations/definitions with it.
  The macro either expands to the defaulted parameter or to nothing
  in pre-C++26 modes.

* For range algorithms, we need to reorder their template parameters.
  I've done so unconditionally, because users cannot rely on template
  parameters of algorithms (this is explicitly authorized by
  [algorithms.requirements]/15). The defaults are then hidden behind
  another macro.

libstdc++-v3/ChangeLog:

	* include/bits/iterator_concepts.h: Add projected_value_t.
	* include/bits/algorithmfwd.h: Add the default template
	parameter to the relevant forward declarations.
	* include/pstl/glue_algorithm_defs.h: Likewise.
	* include/bits/ranges_algo.h: Add the default template
	parameter to range-based algorithms.
	* include/bits/ranges_algobase.h: Likewise.
	* include/bits/ranges_util.h: Likewise.
	* include/bits/ranges_base.h: Add helper macros.
	* include/bits/stl_iterator_base_types.h: Add helper macro.
	* include/bits/version.def: Add the new feature-testing macro.
	* include/bits/version.h: Regenerate.
	* include/std/algorithm: Pull the feature-testing macro.
	* include/std/ranges: Likewise.
	* include/std/deque: Pull the feature-testing macro, add
	the default for std::erase.
	* include/std/forward_list: Likewise.
	* include/std/list: Likewise.
	* include/std/string: Likewise.
	* include/std/vector: Likewise.
	* testsuite/23_containers/default_template_value.cc: New test.
	* testsuite/25_algorithms/default_template_value.cc: New test.

Signed-off-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Co-authored-by: Jonathan Wakely <jwakely@redhat.com>
2024-09-22 17:45:05 +01:00
Dhruv Chawla efe6efb6f3 libstdc++: Add missing feature-test macro in various headers
version.syn#2 requires various headers to define
__cpp_lib_allocator_traits_is_always_equal. Currently, only <memory> was
defining this macro. Implement fixes for the other headers as well.

Signed-off-by: Dhruv Chawla <dhruvc@nvidia.com>

libstdc++-v3/ChangeLog:

	* include/std/deque: Define macro
	__glibcxx_want_allocator_traits_is_always_equal.
	* include/std/forward_list: Likewise.
	* include/std/list: Likewise.
	* include/std/map: Likewise.
	* include/std/scoped_allocator: Likewise.
	* include/std/set: Likewise.
	* include/std/string: Likewise.
	* include/std/unordered_map: Likewise.
	* include/std/unordered_set: Likewise.
	* include/std/vector: Likewise.
	* testsuite/20_util/headers/memory/version.cc: New test.
	* testsuite/20_util/scoped_allocator/version.cc: Likewise.
	* testsuite/21_strings/headers/string/version.cc: Likewise.
	* testsuite/23_containers/deque/version.cc: Likewise.
	* testsuite/23_containers/forward_list/version.cc: Likewise.
	* testsuite/23_containers/list/version.cc: Likewise.
	* testsuite/23_containers/map/version.cc: Likewise.
	* testsuite/23_containers/set/version.cc: Likewise.
	* testsuite/23_containers/unordered_map/version.cc: Likewise.
	* testsuite/23_containers/unordered_set/version.cc: Likewise.
	* testsuite/23_containers/vector/version.cc: Likewise.
2024-09-03 15:07:15 +01:00
Jakub Jelinek a945c346f5 Update copyright years. 2024-01-03 12:19:35 +01:00
Jonathan Wakely 7ffa63df8f libstdc++: Only declare feature test macros in standard headers
This change moves the definitions of feature test macros (or strictly
speaking, the requests for <bits/version.h> to define them) so that only
standard headers define them. For example, <bits/shared_ptr.h> will no
longer define macros related to std::shared_ptr, only <memory> and
<version> will define them. This means that __cpp_lib_shared_ptr_arrays
will not be defined by <future> or by other headers that include
<bits/shared_ptr.h>. It will only be defined when <memory> has been
included. This will discourage users from relying on transitive
includes.

As a result, internal headers that need to query the macros should use
the internal macros like __glibcxx_shared_ptr_arrays instead of
__cpp_lib_shared_ptr_arrays, as those internal macros are defined by the
internal headers after icluding <bits/version.h>. There are some
exceptions to this rule, because __cpp_lib_is_constant_evaluated is
defined by bits/c++config.h and so is available everywhere, and
__cpp_lib_three_way_comparison is defined by <compare> which several
headers are explicitly specified to include, so its macro is guaranteed
to be usable too.

N.B. not many internal headers actually need an explicit include of
<bits/version.h>, because most of them include <type_traits> and so get
all the __glibcxx_foo internal macros from there.

libstdc++-v3/ChangeLog:

	* include/bits/algorithmfwd.h: Do not define standard feature
	test macro here.
	* include/bits/align.h: Likewise. Test internal macros instead
	of standard macros.
	* include/bits/alloc_traits.h: Likewise.
	* include/bits/allocator.h: Likewise.
	* include/bits/atomic_base.h: Likewise.
	* include/bits/atomic_timed_wait.h: Likewise.
	* include/bits/atomic_wait.h: Likewise.
	* include/bits/basic_string.h: Likewise.
	* include/bits/basic_string.tcc: Likewise.
	* include/bits/char_traits.h: Likewise.
	* include/bits/chrono.h: Likewise.
	* include/bits/cow_string.h: Likewise.
	* include/bits/forward_list.h: Likewise.
	* include/bits/hashtable.h: Likewise.
	* include/bits/ios_base.h: Likewise.
	* include/bits/memory_resource.h: Likewise.
	* include/bits/move.h: Likewise.
	* include/bits/move_only_function.h: Likewise.
	* include/bits/node_handle.h: Likewise.
	* include/bits/ptr_traits.h: Likewise.
	* include/bits/range_access.h: Likewise.
	* include/bits/ranges_algo.h: Likewise.
	* include/bits/ranges_cmp.h: Likewise.
	* include/bits/ranges_util.h: Likewise.
	* include/bits/semaphore_base.h: Likewise.
	* include/bits/shared_ptr.h: Likewise.
	* include/bits/shared_ptr_atomic.h: Likewise.
	* include/bits/shared_ptr_base.h: Likewise.
	* include/bits/stl_algo.h: Likewise.
	* include/bits/stl_algobase.h: Likewise.
	* include/bits/stl_function.h: Likewise.
	* include/bits/stl_iterator.h: Likewise.
	* include/bits/stl_list.h: Likewise.
	* include/bits/stl_map.h: Likewise.
	* include/bits/stl_pair.h: Likewise.
	* include/bits/stl_queue.h: Likewise.
	* include/bits/stl_stack.h: Likewise.
	* include/bits/stl_tree.h: Likewise.
	* include/bits/stl_uninitialized.h: Likewise.
	* include/bits/stl_vector.h: Likewise.
	* include/bits/unique_ptr.h: Likewise.
	* include/bits/unordered_map.h: Likewise.
	* include/bits/uses_allocator_args.h: Likewise.
	* include/bits/utility.h: Likewise.
	* include/bits/erase_if.h: Add comment.
	* include/std/algorithm: Define standard feature test macros
	here.
	* include/std/atomic: Likewise.
	* include/std/array: Likewise.
	* include/std/chrono: Likewise.
	* include/std/condition_variable: Likewise.
	* include/std/deque: Likewise.
	* include/std/format: Likewise.
	* include/std/functional: Likewise.
	* include/std/forward_list: Likewise.
	* include/std/ios: Likewise.
	* include/std/iterator: Likewise.
	* include/std/list: Likewise.
	* include/std/map: Likewise.
	* include/std/memory: Likewise.
	* include/std/numeric: Likewise.
	* include/std/queue: Likewise.
	* include/std/ranges: Likewise.
	* include/std/regex: Likewise.
	* include/std/set: Likewise.
	* include/std/stack: Likewise.
	* include/std/stop_token: Likewise.
	* include/std/string: Likewise.
	* include/std/string_view:
	* include/std/tuple: Likewise.
	* include/std/unordered_map:
	* include/std/unordered_set:
	* include/std/utility: Likewise.
	* include/std/vector: Likewise.
	* include/std/scoped_allocator: Query internal macros instead of
	standard macros.
2023-11-16 08:10:19 +00:00
Arsen Arsenović 083b7f2833 libstdc++: Replace all manual FTM definitions and use
libstdc++-v3/ChangeLog:

	* libsupc++/typeinfo: Switch to bits/version.h for
	__cpp_lib_constexpr_typeinfo.
	* libsupc++/new: Switch to bits/version.h for
	__cpp_lib_{launder,hardware_interference_size,destroying_delete}.
	(launder): Guard behind __cpp_lib_launder.
	(hardware_destructive_interference_size)
	(hardware_constructive_interference_size): Guard behind
	__cpp_lib_hardware_interference_size.
	* libsupc++/exception: Switch to bits/version.h for
	__cpp_lib_uncaught_exceptions.
	(uncaught_exceptions): Guard behind __cpp_lib_uncaught_exceptions.
	* libsupc++/compare: Switch to bits/version.h for
	__cpp_lib_three_way_comparison.
	(three_way_comparable, three_way_comparable_with)
	(compare_three_way, weak_order, strong_order, partial_order):
	Guard behind __cpp_lib_three_way_comparison >= 201907L.
	* include/std/chrono: Drop __cpp_lib_chrono definition.
	* include/std/vector: Switch to bits/version.h for
	__cpp_lib_erase_if.
	(erase, erase_if): Guard behind __cpp_lib_erase_if.
	* include/std/variant: Switch to bits/version.h for
	__cpp_lib_variant.  Guard whole header behind that FTM.
	* include/std/utility: Switch to bits/version.h for
	__cpp_lib_{exchange_function,constexpr_algorithms,as_const},
	__cpp_lib_{integer_comparison_functions,to_underlying}, and
	__cpp_lib_unreachable.
	(exchange): Guard behind __cpp_lib_exchange_function.
	(cmp_equal, cmp_not_equal, cmp_less, cmp_greater, cmp_less_equal)
	(cmp_greater_equal, in_range): Guard behind
	__cpp_lib_integer_comparison_functions.
	(to_underlying): Guard behind __cpp_lib_to_underlying.
	(unreachable): Guard behind __cpp_lib_unreachable.
	* include/std/type_traits: Switch to bits/version.h for
	__cpp_lib_is_{null_pointer,final,nothrow_convertible,aggregate},
	__cpp_lib_is_{constant_evaluated,invocable,layout_compatible},
	__cpp_lib_is_{pointer_interconvertible,scoped_enum,swappable},
	__cpp_lib_{logical_traits,reference_from_temporary,remove_cvref},
	__cpp_lib_{result_of_sfinae,transformation_trait_aliases},
	__cpp_lib_{type_identity,type_trait_variable_templates},
	__cpp_lib_{unwrap_ref,void_t,integral_constant_callable},
	__cpp_lib_{bool_constant,bounded_array_traits}, and
	__cpp_lib_has_unique_object_representations.
	(integral_constant::operator()): Guard behind
	__cpp_lib_integral_constant_callable.
	(bool_constant): Guard behind __cpp_lib_bool_constant.
	(conjunction, disjunction, negation, conjunction_v, disjunction_v)
	(negation_v): Guard behind __cpp_lib_logical_traits.
	(is_null_pointer): Guard behind __cpp_lib_is_null_pointer.
	(is_final): Guard behind __cpp_lib_is_final.
	(is_nothrow_convertible, is_nothrow_convertible_v): Guard behind
	__cpp_lib_is_nothrow_convertible.
	(remove_const_t, remove_volatile_t, remove_cv_t)
	(add_const_t, add_volatile_t, add_cv_t): Guard behind
	__cpp_lib_transformation_trait_aliases.
	(void_t): Guard behind __cpp_lib_void_t.
	(is_swappable_with_v, is_nothrow_swappable_with_v)
	(is_swappable_with, is_nothrow_swappable_with): Guard behind
	__cpp_lib_is_swappable.
	(is_nothrow_invocable_r, is_invocable_r, invoke_result)
	(is_invocable, invoke_result_t): Guard behind
	__cpp_lib_is_invocable.
	(alignment_of_v, extent_v, has_virtual_destructor_v)
	(is_abstract_v, is_arithmetic_v, is_array_v)
	(is_assignable_v, is_base_of_v, is_class_v, is_compound_v)
	(is_constructible_v, is_const_v, is_convertible_v)
	(is_copy_assignable_v, is_copy_constructible_v)
	(is_default_constructible_v, is_destructible_v)
	(is_empty_v, is_enum_v, is_final_v, is_floating_point_v)
	(is_function_v, is_fundamental_v, is_integral_v)
	(is_invocable_r_v, is_invocable_v, is_literal_type_v)
	(is_lvalue_reference_v, is_member_function_pointer_v)
	(is_member_object_pointer_v, is_member_pointer_v)
	(is_move_assignable_v, is_move_constructible_v)
	(is_nothrow_assignable_v, is_nothrow_constructible_v)
	(is_nothrow_copy_assignable_v, is_nothrow_copy_constructible_v)
	(is_nothrow_default_constructible_v, is_nothrow_destructible_v)
	(is_nothrow_invocable_r_v, is_nothrow_invocable_v)
	(is_nothrow_move_assignable_v, is_nothrow_move_constructible_v)
	(is_null_pointer_v, is_object_v, is_pod_v, is_pointer_v)
	(is_polymorphic_v, is_reference_v, is_rvalue_reference_v)
	(is_same_v, is_scalar_v, is_signed_v, is_standard_layout_v)
	(is_trivially_assignable_v, is_trivially_constructible_v)
	(is_trivially_copyable_v, is_trivially_copy_assignable_v)
	(is_trivially_copy_constructible_v)
	(is_trivially_default_constructible_v)
	(is_trivially_destructible_v, is_trivially_move_assignable_v)
	(is_trivially_move_constructible_v, is_trivial_v, is_union_v)
	(is_unsigned_v, is_void_v, is_volatile_v, rank_v, as variadic):
	Guard behind __cpp_lib_type_trait_variable_templates.
	(has_unique_object_representations)
	(has_unique_object_representations_v): Guard behind
	__cpp_lib_has_unique_object_representation.
	(is_aggregate): Guard behind __cpp_lib_is_aggregate.
	(remove_cvref, remove_cvref_t): Guard behind
	__cpp_lib_remove_cvref.
	(type_identity, type_identity_t): Guard behind
	__cpp_lib_type_identity.
	(unwrap_reference, unwrap_reference_t, unwrap_ref_decay)
	(unwrap_ref_decay_t): Guard behind __cpp_lib_unwrap_ref.
	(is_bounded_array_v, is_unbounded_array_v, is_bounded_array)
	(is_unbounded_array): Guard behind __cpp_lib_bounded_array_traits.
	(is_scoped_enum, is_scoped_enum_v): Guard behind
	__cpp_lib_is_scoped_enum.
	(reference_constructs_from_temporary)
	(reference_constructs_from_temporary_v): Guard behind
	__cpp_lib_reference_from_temporary.
	* include/std/tuple: Switch to bits/version.h for
	__cpp_lib_{constexpr_tuple,tuple_by_type,apply_make_from_tuple}.
	(get<T>): Guard behind __cpp_lib_tuple_by_type.
	(apply): Guard behind __cpp_lib_apply.
	(make_from_tuple): Guard behind __cpp_lib_make_from_tuple.
	* include/std/syncstream: Switch to bits/version.h for
	__cpp_lib_syncbuf.  Guard header behind that FTM.
	* include/std/string_view: Switch to bits/version.h for
	__cpp_lib_{string_{view,contains},constexpr_string_view} and
	__cpp_lib_starts_ends_with.
	(basic_string_view::starts_with, basic_string_view::ends_with):
	Guard behind __cpp_lib_starts_ends_with.
	[C++23 && _GLIBCXX_HOSTED && !defined(__cpp_lib_string_contains)]:
	Assert as impossible ithout a bug in C++23.
	* include/std/string: Switch to bits/version.h for
	__cpp_lib_erase_if.
	(erase, erase_if): Guard behind __cpp_lib_erase_if.
	* include/std/thread: Switch to bits/version.h for
	__cpp_lib_jthread.
	* include/std/stop_token: Switch to bits/version.h for
	__cpp_lib_jthread.
	* include/std/spanstream: Switch to bits/version.h for
	__cpp_lib_spanstream.  Guard header behind that FTM.
	* include/std/span: Switch to bits/version.h for __cpp_lib_span.
	Guard header behind that FTM.
	* include/std/source_location: Switch to bits/version.h for
	__cpp_lib_source_location.  Guard header with that FTM.
	* include/std/shared_mutex: Switch to bits/version.h for
	__cpp_lib_shared{,_timed}_mutex.
	(shared_mutex): Guard behind __cpp_lib_shared_mutex.
	* include/std/semaphore: Switch to bits/version.h for
	__cpp_lib_semaphore.  Guard header behind that FTM.
	* include/std/ranges: Switch to bits/version.h for
	__cpp_lib_ranges_{zip,chunk{,_by},slide,join_with},
	__cpp_lib_ranges_{repeat_stride,cartesian_product,as_rvalue},
	and __cpp_lib_ranges_{as_const,enumerate,iota}.
	(ranges::zip et al, ranges::chunk et al, ranges::slide et al)
	(ranges::chunk_by et al, ranges::join_with et al)
	(ranges::stride et al, ranges::cartesian_product et al)
	(ranges::as_rvalue et al, ranges::as_const et al)
	(ranges::enumerate et al): Guard behind appropriate FTM.
	* include/std/optional: Switch to bits/version.h for
	__cpp_lib_optional.  Guard header behind that FTM.
	* include/std/numeric: Switch to bits/version.h for
	__cpp_lib_{gcd{,_lcm},lcm,constexpr_numeric,interpolate}
	and __cpp_lib_parallel_algorithm.
	(gcd, lcm): Guard behind __cpp_lib_gcd_lcm.
	(midpoint): Guard behind __cpp_lib_interpolate.
	* include/std/numbers: Switch to bits/version.h for
	__cpp_lib_math_constants.  Guard header behind that FTM.
	* include/std/mutex: Switch to bits/version.h for
	__cpp_lib_scoped_lock.
	(scoped_Lock): Guard behind __cpp_lib_scoped_lock.
	* include/std/memory_resource: Switch to bits/version.h for
	__cpp_lib_{polymorphic_allocator,memory_resource}.
	(synchronized_pool_resource): Guard behind
	__cpp_lib_memory_resource >= 201603L.
	(polymorphic_allocator): Guard behind
	__cpp_lib_polymorphic_allocator.
	* include/std/memory: Switch to bits/version.h for
	__cpp_lib_{parallel_algorithm,atomic_value_initialization}.
	* include/std/list: Switch to bits/version.h for
	__cpp_lib_erase_if.
	(erase, erase_if): Guard behind __cpp_lib_erase_if.
	* include/std/latch: Switch to bits/version.h for __cpp_lib_latch.
	Guard header behind that FTM.
	* include/std/iterator: Switch to bits/version.h for
	__cpp_lib_null_iterators.
	* include/std/iomanip: Switch to bits/version.h for
	__cpp_lib_quoted_string_io.
	(quoted): Guard behind __cpp_lib_quoted_string_io.
	* include/std/functional: Switch to bits/version.h for
	__cpp_lib_{invoke{,_r},constexpr_functional,bind_front} and
	__cpp_lib_{not_fn,booyer_moore_searcher}.
	(invoke): Guard behind __cpp_lib_invoke.
	(invoke_r): Guard behind __cpp_lib_invoke_r.
	(bind_front): Guard behind __cpp_lib_bind_front.
	(not_fn): Guard behind __cpp_lib_not_fn.
	(boyer_moore_searcher, boyer_moore_horspool_searcher): Guard
	definition behind __cpp_lib_boyer_moore_searcher.
	* include/std/forward_list: Switch to bits/version.h for
	__cpp_lib_erase_if.
	(erase, erase_if): Guard behind __cpp_lib_erase_if.
	* include/std/format: Switch to bits/version.h for
	__cpp_lib_format.  Guard header behind that FTM.
	* include/std/filesystem: Switch to bits/version.h for
	__cpp_lib_filesystem.  Guard header behind that FTM.
	* include/std/expected: Switch to bits/version.h for
	__cpp_lib_expected.  Guard header behind it.
	* include/std/execution: Switch to bits/version.h for
	__cpp_lib_{execution,parallel_algorithm}.  Guard header behind
	either.
	* include/std/deque: Switch to bits/version.h for
	__cpp_lib_erase_if.
	(erase, erase_if): Guard behind __cpp_lib_erase_if.
	* include/std/coroutine: Switch to bits/version.h for
	__cpp_lib_coroutine.  Guard header behind that FTM.
	* include/std/concepts: Switch to bits/version.h for
	__cpp_lib_concepts.  Guard header behind that FTM.
	* include/std/complex: Switch to bits/version.h for
	__cpp_lib_{complex_udls,constexpr_complex}.
	(operator""if, operator""i, operator""il): Guard behind
	__cpp_lib_complex_udls.
	* include/std/charconv: Swtich to bits/version.h for
	__cpp_lib_{to_chars,constexpr_charconv}.
	* include/std/bitset: Switch to bits/version.h for
	__cpp_lib_constexpr_bitset.
	* include/std/bit: Switch to bits/version.h for
	__cpp_lib_{bit_cast,byteswap,bitops,int_pow2,endian}.
	(bit_cast): Guard behind __cpp_lib_bit_cast.
	(byteswap): Guard behind __cpp_lib_byteswap.
	(rotl, rotr, countl_zero, countl_one, countr_zero, countr_one)
	(popcount): Guard behind __cpp_lib_bitops.
	(has_single_bit, bit_ceil, bit_floor, bit_width): Guard behind
	__cpp_lib_int_pow2.
	(endian): Guard behind __cpp_lib_endian.
	* include/std/barrier: Switch to bits/version.h for
	__cpp_lib_barrier.  Guard header behind that FTM.
	* include/std/atomic: Switch to bits/version.h for
	__cpp_lib_atomic_{is_always_lock_free,float,ref}
	and __cpp_lib_lock_free_type_aliases.
	(*::is_always_lock_free): Guard behind
	__cpp_lib_atomic_is_always_lock_free.
	(atomic<float>): Guard behind __cpp_lib_atomic_float.
	(atomic_ref): Guard behind __cpp_lib_atomic_ref.
	(atomic_signed_lock_free, atomic_unsigned_lock_free): Guard behind
	__cpp_lib_atomic_lock_free_type_aliases.
	* include/std/array: Switch to bits/version.h for
	__cpp_lib_to_array.
	(to_array): Guard behind __cpp_lib_to_array.
	* include/std/any: Switch to bits/version.h for __cpp_lib_any.
	Guard header behind that FTM.
	* include/std/algorithm: Switch to bits/version.h for
	__cpp_lib_parallel_algorithm.
	* include/c_global/cstddef: Switch to bits/version.h for
	__cpp_lib_byte.
	(byte): Guard behind __cpp_lib_byte.
	* include/c_global/cmath: Switch to bits/version.h for
	__cpp_lib_{hypot,interpolate}.
	(hypot3): Guard behind __cpp_lib_hypot.
	(lerp): Guard behind __cpp_lib_interpolate.
	* include/c_compatibility/stdatomic.h: Switch to
	bits/stl_version.h for __cpp_lib_atomic.  Guard header behind that
	FTM.
	* include/bits/utility.h: Switch to bits/version.h for
	__cpp_lib_{tuple_element_t,integer_sequence,ranges_zip}.
	(tuple_element_t): Guard behind __cpp_lib_tuple_element_t.
	(integer_sequence et al): Guard behind __cpp_lib_integer_sequence.
	* include/bits/uses_allocator_args.h: Switch to bits/version.h for
	__cpp_lib_make_obj_using_allocator.  Guard header behind that FTM.
	* include/bits/unordered_map.h: Switch to bits/version.h for
	__cpp_lib_unordered_map_try_emplace.
	(try_emplace): Guard behind __cpp_lib_unordered_map_try_emplace.
	* include/bits/unique_ptr.h: Switch to bits/version.h for
	__cpp_lib_{constexpr_memory,make_unique}.
	(make_unique): Guard behind __cpp_lib_make_unique.
	* include/bits/stl_vector.h: Switch to bits/version.h for
	__cpp_lib_constexpr_vector.
	* include/bits/stl_uninitialized.h: Switch to bits/version.h for
	__cpp_lib_raw_memory_algorithms.
	(uninitialized_default_construct)
	(uninitialized_default_construct_n, uninitialized_move)
	(uninitialized_move_n, uninitialized_value_construct)
	(uninitialized_value_construct_n): Guard behind
	__cpp_lib_raw_memory_algorithms.
	* include/bits/stl_tree.h: Switch to bits/version.h for
	__cpp_lib_generic_associative_lookup.
	* include/bits/stl_stack.h: Switch to bits/version.h for
	__cpp_lib_adaptor_iterator_pair_constructor.
	(stack): Guard iterator-pair constructor behind
	__cpp_lib_adaptor_iterator_pair_constructor.
	* include/bits/stl_queue.h: Switch to bits/version.h for
	__cpp_lib_adaptor_iterator_pair_constructor.
	(queue): Guard iterator-pair constructor behind
	__cpp_lib_adaptor_iterator_pair_constructor.
	* include/bits/stl_pair.h: Switch to bits/version.h for
	__cpp_lib_{concepts,tuples_by_type}.
	(get): Guard type-getting overloads behind
	__cpp_lib_tuples_by_type.
	* include/bits/stl_map.h: Switch to bits/version.h for
	__cpp_lib_map_try_emplace.
	(map<>::try_emplace): Guard behind __cpp_lib_map_try_emplace.
	* include/bits/stl_list.h: Switch to bits/version.h for
	__cpp_lib_list_remove_return_type.
	(__remove_return_type, _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG)
	[C++20]: guard behind __cpp_lib_list_remove_return_type instead.
	* include/bits/stl_iterator.h: Switch to bits/version.h for
	__cpp_lib_{constexpr_iterator,array_constexpr} and
	__cpp_lib_{make_reverse_iterator,move_iterator_concept}.
	(make_reverse_iterator): Guard behind
	__cpp_lib_make_reverse_iterator.
	(iterator_concept et al): Guard __cpp_lib_move_iterator_concept
	changes behind that FTM.
	* include/bits/stl_function.h: Switch to bits/version.h for
	__cpp_lib_transparent_operators.
	(equal_to, not_equal_to, greater, less, greater_equal)
	(less_equal, bit_and, bit_or, bit_xor, bit_not, logical_and)
	(logical_or, logical_not, plus, minus, multiplies, divides)
	(modulus, negate): Guard '= void' fwdecls behind
	__cpp_lib_transparent_operators.
	(plus<void>, minus<void>, multiplies<void>, divides<void>)
	(modulus<void>, negate<void>, logical_and<void>, logical_or<void>)
	(logical_not<void>, bit_and<void>, bit_or<void>, bit_xor<void>)
	(equal_to<void>, not_equal_to<void>, greater<void>, less<void>)
	(greater_equal<void>, less_equal<void>, bit_not<void>)
	(__has_is_transparent): Guard behind
	__cpp_lib_transparent_operators.
	* include/bits/stl_algobase.h: Switch to bits/version.h for
	__cpp_lib_robust_nonmodifying_seq_ops.
	(robust equal, mismatch): Guard behind
	__cpp_lib_nonmember_container_access.
	* include/bits/stl_algo.h: Swtich to bits/version.h for
	__cpp_lib_{clamp,sample}.
	(clamp): Guard behind __cpp_lib_clamp.
	(sample): Guard behind __cpp_lib_sample.
	* include/bits/specfun.h: Switch to bits/version.h for
	__cpp_lib_math_special_functions and __STDCPP_MATH_SPEC_FUNCS__.
	* include/bits/shared_ptr_base.h: Switch to bits/version.h for
	__cpp_lib_{smart_ptr_for_overwrite,shared_ptr_arrays}.
	(_Sp_overwrite_tag): Guard behind
	__cpp_lib_smart_ptr_for_overwrite.
	* include/bits/shared_ptr_atomic.h: Switch to bits/version.h for
	__cpp_lib_atomic_shared_ptr.
	* include/bits/shared_ptr.h: Switch to bits/version.h for
	__cpp_lib_{enable_shared_from_this,shared_ptr_weak_type}.
	(shared_ptr<T>::weak_type): Guard behind
	__cpp_lib_shared_ptr_weak_type.
	(enable_shared_from_this<T>::weak_from_this): Guard behind
	__cpp_lib_enable_shared_from_this.
	* include/bits/ranges_cmp.h: Switch to bits/version.h for
	__cpp_lib_ranges.
	* include/bits/ranges_algo.h: Switch to bits/version.h for
	__cpp_lib_{shift,ranges_{contains,find_last,fold,iota}}.
	* include/bits/range_access.h: Switch to bits/version.h for
	__cpp_lib_nonmember_container_access
	(size, empty, data): Guard behind
	__cpp_lib_nonmember_container_access.
	(ssize): Guard behind __cpp_lib_ssize.
	* include/bits/ptr_traits.h: Switch to bits/version.h. for
	__cpp_lib_{constexpr_memory,to_address}.
	(to_address): Guard behind __cpp_lib_to_address.
	* include/bits/node_handle.h: Switch to bits/version.h for
	__cpp_lib_node_extract.  Guard header behind that FTM.
	* include/bits/move_only_function.h: Switch to bits/version.h for
	__cpp_lib_move_only_function.  Guard header behind that FTM.
	* include/bits/move.h: Switch to bits/version.h for
	__cpp_lib_addressof_constexpr.
	* include/bits/ios_base.h: Switch to bits/version.h for
	__cpp_lib_ios_noreplace.
	(noreplace): Guard with __cpp_lib_ios_noreplace.
	* include/bits/hashtable.h: Switch to bits/version.h for
	__cpp_lib_generic_unordered_lookup.
	(_M_equal_range_tr, _M_count_tr, _M_find_tr): Guard behind
	__cpp_lib_generic_unordered_lookup.
	* include/bits/forward_list.h: Switch to bits/version.h for
	__cpp_lib_list_remove_return_type.
	(__remove_return_type): Guard behind
	__cpp_lib_list_remove_return_type.
	* include/bits/erase_if.h: Switch to bits/version.h for
	__cpp_lib_erase_if.
	* include/bits/cow_string.h: Switch to bits/version.h for
	__cpp_lib_constexpr_string.
	* include/bits/chrono.h: Swtich to bits/version.h for
	__cpp_lib_chrono{,_udls}.
	(ceil): Guard behind __cpp_lib_chrono.
	(operator""ns et al): Guard behind __cpp_lib_chrono_udls.
	* include/bits/char_traits.h: Switch to bits/version.h for
	__cpp_lib_constexpr_char_traits.
	* include/bits/basic_string.h: Switch to bits/version.h for
	__cpp_lib_{constexpr_string,string_{resize_and_overwrite,udls}}.
	(resize_and_overwrite): Guard behind
	__cpp_lib_string_resize_and_overwrite.
	(operator""s): Guard behind __cpp_lib_string_udls.
	* include/bits/atomic_wait.h: Switch to bits/version.h for
	__cpp_lib_atomic_wait.  Guard header behind that FTM.
	* include/bits/atomic_base.h: Switch to bits/version.h for
	__cpp_lib_atomic_value_initialization and
	__cpp_lib_atomic_flag_test.
	(atomic_flag::test): Guard behind __cpp_lib_atomic_flag_test,
	rather than C++20.
	* include/bits/allocator.h: Switch to bits/version.h for
	__cpp_lib_incomplete_container_elements.
	* include/bits/alloc_traits.h: Switch to using bits/version.h for
	__cpp_lib_constexpr_dynamic_alloc and
	__cpp_lib_allocator_traits_is_always_equal.
	* include/bits/align.h: Switch to bits/version.h for defining
	__cpp_lib_assume_aligned.
	(assume_aligned): Guard with __cpp_lib_assume_aligned.
	* include/bits/algorithmfwd.h: Switch to bits/version.h for
	defining __cpp_lib_constexpr_algorithms.
	* include/std/stacktrace: Switch to bits/version.h for
	__cpp_lib_stacktrace.  Guard header behind that FTM.
	* testsuite/23_containers/array/tuple_interface/get_neg.cc:
	Update line numbers.
2023-08-16 15:16:25 +02:00
Jakub Jelinek 83ffe9cde7 Update copyright years. 2023-01-16 11:52:17 +01:00
Arsen ArsenovićandJonathan Wakely 18f176d0b2 libstdc++: Mark headers that must be hosted as such [PR103626]
PR libstdc++/103626 - _GLIBCXX_HOSTED should respect -ffreestanding

Co-authored-by: Jonathan Wakely <jwakely@redhat.com>

libstdc++-v3/ChangeLog:

	PR libstdc++/103626
	* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/bits/requires_hosted.h: New header.
	* include/experimental/algorithm: Include
	<bits/requires_hosted.h>.
	* include/experimental/any: Likewise.
	* include/experimental/array: Likewise.
	* include/experimental/buffer: Likewise.
	* include/experimental/chrono: Likewise.
	* include/experimental/deque: Likewise.
	* include/experimental/executor: Likewise.
	* include/experimental/filesystem: Likewise.
	* include/experimental/forward_list: Likewise.
	* include/experimental/functional: Likewise.
	* include/experimental/internet: Likewise.
	* include/experimental/io_context: Likewise.
	* include/experimental/iterator: Likewise.
	* include/experimental/list: Likewise.
	* include/experimental/map: Likewise.
	* include/experimental/memory: Likewise.
	* include/experimental/memory_resource: Likewise.
	* include/experimental/net: Likewise.
	* include/experimental/netfwd: Likewise.
	* include/experimental/numeric: Likewise.
	* include/experimental/optional: Likewise.
	* include/experimental/propagate_const: Likewise.
	* include/experimental/random: Likewise.
	* include/experimental/ratio: Likewise.
	* include/experimental/regex: Likewise.
	* include/experimental/scope: Likewise.
	* include/experimental/set: Likewise.
	* include/experimental/simd: Likewise.
	* include/experimental/socket: Likewise.
	* include/experimental/source_location: Likewise.
	* include/experimental/string: Likewise.
	* include/experimental/string_view: Likewise.
	* include/experimental/system_error: Likewise.
	* include/experimental/timer: Likewise.
	* include/experimental/tuple: Likewise.
	* include/experimental/unordered_map: Likewise.
	* include/experimental/unordered_set: Likewise.
	* include/experimental/utility: Likewise.
	* include/experimental/vector: Likewise.
	* include/std/barrier: Likewise.
	* include/std/chrono: Likewise.
	* include/std/condition_variable: Likewise.
	* include/std/deque: Likewise.
	* include/std/execution: Likewise.
	* include/std/filesystem: Likewise.
	* include/std/forward_list: Likewise.
	* include/std/fstream: Likewise.
	* include/std/future: Likewise.
	* include/std/iomanip: Likewise.
	* include/std/ios: Likewise.
	* include/std/iosfwd: Likewise.
	* include/std/iostream: Likewise.
	* include/std/istream: Likewise.
	* include/std/latch: Likewise.
	* include/std/list: Likewise.
	* include/std/locale: Likewise.
	* include/std/map: Likewise.
	* include/std/memory_resource: Likewise.
	* include/std/mutex: Likewise.
	* include/std/ostream: Likewise.
	* include/std/queue: Likewise.
	* include/std/random: Likewise.
	* include/std/regex: Likewise.
	* include/std/semaphore: Likewise.
	* include/std/set: Likewise.
	* include/std/shared_mutex: Likewise.
	* include/std/spanstream: Likewise.
	* include/std/sstream: Likewise.
	* include/std/stack: Likewise.
	* include/std/stacktrace: Likewise.
	* include/std/stop_token: Likewise.
	* include/std/streambuf: Likewise.
	* include/std/string: Likewise.
	* include/std/syncstream: Likewise.
	* include/std/system_error: Likewise.
	* include/std/thread: Likewise.
	* include/std/unordered_map: Likewise.
	* include/std/unordered_set: Likewise.
	* include/std/valarray: Likewise.
	* include/std/vector: Likewise.
	* include/tr1/array: Likewise.
	* include/tr1/ccomplex: Likewise.
	* include/tr1/cctype: Likewise.
	* include/tr1/cfenv: Likewise.
	* include/tr1/cfloat: Likewise.
	* include/tr1/cinttypes: Likewise.
	* include/tr1/climits: Likewise.
	* include/tr1/cmath: Likewise.
	* include/tr1/complex: Likewise.
	* include/tr1/complex.h: Likewise.
	* include/tr1/cstdarg: Likewise.
	* include/tr1/cstdbool: Likewise.
	* include/tr1/cstdint: Likewise.
	* include/tr1/cstdio: Likewise.
	* include/tr1/cstdlib: Likewise.
	* include/tr1/ctgmath: Likewise.
	* include/tr1/ctime: Likewise.
	* include/tr1/ctype.h: Likewise.
	* include/tr1/cwchar: Likewise.
	* include/tr1/cwctype: Likewise.
	* include/tr1/fenv.h: Likewise.
	* include/tr1/float.h: Likewise.
	* include/tr1/functional: Likewise.
	* include/tr1/inttypes.h: Likewise.
	* include/tr1/limits.h: Likewise.
	* include/tr1/math.h: Likewise.
	* include/tr1/memory: Likewise.
	* include/tr1/random: Likewise.
	* include/tr1/regex: Likewise.
	* include/tr1/stdarg.h: Likewise.
	* include/tr1/stdbool.h: Likewise.
	* include/tr1/stdint.h: Likewise.
	* include/tr1/stdio.h: Likewise.
	* include/tr1/stdlib.h: Likewise.
	* include/tr1/tgmath.h: Likewise.
	* include/tr1/tuple: Likewise.
	* include/tr1/type_traits: Likewise.
	* include/tr1/unordered_map: Likewise.
	* include/tr1/unordered_set: Likewise.
	* include/tr1/utility: Likewise.
	* include/tr1/wchar.h: Likewise.
	* include/tr1/wctype.h: Likewise.
	* include/c_global/cmath: Likewise.
	* include/ext/algorithm: Include <bits/requires_hosted.h>.
	* include/ext/bitmap_allocator.h: Likewise.
	* include/ext/cmath: Likewise.
	* include/ext/codecvt_specializations.h: Likewise.
	* include/ext/debug_allocator.h: Likewise.
	* include/ext/enc_filebuf.h: Likewise.
	* include/ext/extptr_allocator.h: Likewise.
	* include/ext/functional: Likewise.
	* include/ext/malloc_allocator.h: Likewise.
	* include/ext/memory: Likewise.
	* include/ext/mt_allocator.h: Likewise.
	* include/ext/new_allocator.h: Likewise.
	* include/ext/numeric: Likewise.
	* include/ext/pod_char_traits.h: Likewise.
	* include/ext/pool_allocator.h: Likewise.
	* include/ext/random: Likewise.
	* include/ext/random.tcc: Likewise.
	* include/ext/rb_tree: Likewise.
	* include/ext/rc_string_base.h: Likewise.
	* include/ext/rope: Likewise.
	* include/ext/ropeimpl.h: Likewise.
	* include/ext/slist: Likewise.
	* include/ext/sso_string_base.h: Likewise.
	* include/ext/stdio_filebuf.h: Likewise.
	* include/ext/stdio_sync_filebuf.h: Likewise.
	* include/ext/string_conversions.h: Likewise.
	* include/ext/throw_allocator.h: Likewise.
	* include/ext/vstring.h: Likewise.
	* include/ext/vstring.tcc: Likewise.
	* include/ext/vstring_fwd.h: Likewise.
	* include/ext/vstring_util.h: Likewise.
	* include/std/charconv: Likewise.
	(__cpp_lib_to_chars): Do not define for freestanding.
	* include/std/version: Adjust which macros get defined in
	freestanding.
	* include/ext/pointer.h [!_GLIBCXX_HOSTED]: Omit iostream
	functionality from freestanding.
	* include/std/algorithm [!_GLIBCXX_HOSTED]: Omit PSTL algos.
	* include/std/memory [!_GLIBCXX_HOSTED]: Omit
	<bits/stl_tempbuf.h> in freestanding
	* include/bits/algorithmfwd.h [!_GLIBCXX_HOSTED]: Omit leftover
	random_shuffle and stable_partition definition.
	* include/bits/stl_algo.h [!_GLIBCXX_HOSTED]: Omit
	random_shuffle and stable_partition from freestanding.
	* include/bits/ranges_algo.h [!_GLIBCXX_HOSTED]: Omit
	stable_partition from freestanding.
	* include/bits/concept_check.h: Remove needless HOSTED check.
	* include/std/iterator: Include <bits/ranges_base.h>.
	* include/std/numeric (__cpp_lib_parallel_algorithms): Do not
	define for freestanding.
	* include/std/functional (__cpp_lib_boyer_moore_searcher):
	Likewise.
	* testsuite/lib/prune.exp: Match error for hosted-only libstdc++
	tests.
2022-10-03 15:43:48 +01:00
Jonathan Wakely 8ccdc7ce33 libstdc++: Ensure pmr aliases work without <memory_resource>
Currently the alias templates for std::pmr::vector, std::pmr::string
etc. are defined using a forward declaration for polymorphic_allocator.
This means you can't actually use the alias templates unless you also
include <memory_resource>. The rationale for that is that it's a fairly
large header, and most users don't need it. This isn't uncontroversial
though, and LWG 3681 questions whether it's even conforming.

This change adds a new <bits/memory_resource.h> header with the minimum
needed to use polymorphic_allocator and the std::pmr container aliases.
Including <memory_resource> is still necessary to use the program-wide
resource objects, or the pool resources or monotonic buffer resource.

libstdc++-v3/ChangeLog:

	* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/bits/memory_resource.h: New file.
	* include/std/deque: Include <bits/memory_resource.h>.
	* include/std/forward_list: Likewise.
	* include/std/list: Likewise.
	* include/std/map: Likewise.
	* include/std/memory_resource (pmr::memory_resource): Move to
	new <bits/memory_resource.h> header.
	(pmr::polymorphic_allocator): Likewise.
	* include/std/regex: Likewise.
	* include/std/set: Likewise.
	* include/std/stacktrace: Likewise.
	* include/std/string: Likewise.
	* include/std/unordered_map: Likewise.
	* include/std/unordered_set: Likewise.
	* include/std/vector: Likewise.
	* testsuite/21_strings/basic_string/types/pmr_typedefs.cc:
	Remove <memory_resource> header and check construction.
	* testsuite/23_containers/deque/types/pmr_typedefs.cc: Likewise.
	* testsuite/23_containers/forward_list/pmr_typedefs.cc:
	Likewise.
	* testsuite/23_containers/list/pmr_typedefs.cc: Likewise.
	* testsuite/23_containers/map/pmr_typedefs.cc: Likewise.
	* testsuite/23_containers/multimap/pmr_typedefs.cc: Likewise.
	* testsuite/23_containers/multiset/pmr_typedefs.cc: Likewise.
	* testsuite/23_containers/set/pmr_typedefs.cc: Likewise.
	* testsuite/23_containers/unordered_map/pmr_typedefs.cc:
	Likewise.
	* testsuite/23_containers/unordered_multimap/pmr_typedefs.cc:
	Likewise.
	* testsuite/23_containers/unordered_multiset/pmr_typedefs.cc:
	Likewise.
	* testsuite/23_containers/unordered_set/pmr_typedefs.cc:
	Likewise.
	* testsuite/23_containers/vector/pmr_typedefs.cc: Likewise.
	* testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.

gcc/testsuite/ChangeLog:

	* g++.dg/cpp0x/variadic-tuple.C: Qualify function to avoid ADL
	finding std::make_tuple.
2022-05-19 23:38:23 +01:00
Jakub Jelinek 7adcbafe45 Update copyright years. 2022-01-03 10:42:10 +01:00
François Dumont e7fac1e1a5 libstdc++: [_GLIBCXX_DEBUG] Enhance std::erase_if for vector/deque
libstdc++-v3/ChangeLog:

	* include/std/deque (erase_if): Use _GLIBCXX_STD_C container reference and
	__niter_wrap to limit _GLIBCXX_DEBUG mode impact.
	* include/std/vector (erase_if): Likewise.
2021-12-08 19:09:47 +01:00
Jonathan WakelyandJosh Marshall 1ae8edf5f7 libstdc++: Implement constexpr std::vector for C++20
This implements P1004R2 ("Making std::vector constexpr") for C++20.

For now, debug mode vectors are not supported in constant expressions.
To make that work we might need to disable all attaching/detaching of
safe iterators. That can be fixed later.

Co-authored-by: Josh Marshall <joshua.r.marshall.1991@gmail.com>

libstdc++-v3/ChangeLog:

	* include/bits/alloc_traits.h (_Destroy): Make constexpr for
	C++20 mode.
	* include/bits/allocator.h (__shrink_to_fit::_S_do_it):
	Likewise.
	* include/bits/stl_algobase.h (__fill_a1): Declare _Bit_iterator
	overload constexpr for C++20.
	* include/bits/stl_bvector.h (_Bit_type, _S_word_bit): Move out
	of inline namespace.
	(_Bit_reference, _Bit_iterator_base, _Bit_iterator)
	(_Bit_const_iterator, _Bvector_impl_data, _Bvector_base)
	(vector<bool, A>>): Add constexpr to every member function.
	(_Bvector_base::_M_allocate): Initialize storage during constant
	evaluation.
	(vector<bool, A>::_M_initialize_value): Use __fill_bvector_n
	instead of memset.
	(__fill_bvector_n): New helper function to replace memset during
	constant evaluation.
	* include/bits/stl_uninitialized.h (__uninitialized_copy<false>):
	Move logic to ...
	(__do_uninit_copy): New function.
	(__uninitialized_fill<false>): Move logic to ...
	(__do_uninit_fill): New function.
	(__uninitialized_fill_n<false>): Move logic to ...
	(__do_uninit_fill_n): New function.
	(__uninitialized_copy_a): Add constexpr. Use __do_uninit_copy.
	(__uninitialized_move_a, __uninitialized_move_if_noexcept_a):
	Add constexpr.
	(__uninitialized_fill_a): Add constexpr. Use __do_uninit_fill.
	(__uninitialized_fill_n_a): Add constexpr. Use
	__do_uninit_fill_n.
	(__uninitialized_default_n, __uninitialized_default_n_a)
	(__relocate_a_1, __relocate_a): Add constexpr.
	* include/bits/stl_vector.h (_Vector_impl_data, _Vector_impl)
	(_Vector_base, vector): Add constexpr to every member function.
	(_Vector_impl::_S_adjust): Disable ASan annotation during
	constant evaluation.
	(_Vector_base::_S_use_relocate): Disable bitwise-relocation
	during constant evaluation.
	(vector::_Temporary_value): Use a union for storage.
	* include/bits/vector.tcc (vector, vector<bool>): Add constexpr
	to every member function.
	* include/std/vector (erase_if, erase): Add constexpr.
	* testsuite/23_containers/headers/vector/synopsis.cc: Add
	constexpr for C++20 mode.
	* testsuite/23_containers/vector/bool/cmp_c++20.cc: Change to
	compile-only test using constant expressions.
	* testsuite/23_containers/vector/bool/capacity/29134.cc: Adjust
	namespace for _S_word_bit.
	* testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
	Likewise.
	* testsuite/23_containers/vector/cmp_c++20.cc: Likewise.
	* testsuite/23_containers/vector/cons/89164.cc: Adjust errors
	for C++20 and move C++17 test to ...
	* testsuite/23_containers/vector/cons/89164_c++17.cc: ... here.
	* testsuite/23_containers/vector/bool/capacity/constexpr.cc: New test.
	* testsuite/23_containers/vector/bool/cons/constexpr.cc: New test.
	* testsuite/23_containers/vector/bool/element_access/constexpr.cc: New test.
	* testsuite/23_containers/vector/bool/modifiers/assign/constexpr.cc: New test.
	* testsuite/23_containers/vector/bool/modifiers/constexpr.cc: New test.
	* testsuite/23_containers/vector/bool/modifiers/swap/constexpr.cc: New test.
	* testsuite/23_containers/vector/capacity/constexpr.cc: New test.
	* testsuite/23_containers/vector/cons/constexpr.cc: New test.
	* testsuite/23_containers/vector/data_access/constexpr.cc: New test.
	* testsuite/23_containers/vector/element_access/constexpr.cc: New test.
	* testsuite/23_containers/vector/modifiers/assign/constexpr.cc: New test.
	* testsuite/23_containers/vector/modifiers/constexpr.cc: New test.
	* testsuite/23_containers/vector/modifiers/swap/constexpr.cc: New test.
2021-11-12 00:42:39 +00:00
Jonathan Wakely 82e3a82687 libstdc++: Restore debug checks in uniform container erasure functions
This partially reverts commit 561078480f.

If we avoid all debug mode checks when erasing elements then we fail to
invalidate safe iterators to the removed elements. This reverts the
recent changes in r12-4083 and r12-4233, restoring the debug checking.

libstdc++-v3/ChangeLog:

	* include/experimental/deque (erase, erase_if): Revert changes
	to avoid debug mode overhead.
	* include/experimental/map (erase, erase_if): Likewise.
	* include/experimental/set (erase, erase_if): Likewise.
	* include/experimental/unordered_map (erase, erase_if):
	Likewise.
	* include/experimental/unordered_set (erase, erase_if):
	Likewise.
	* include/experimental/vector (erase, erase_if): Likewise.
	* include/std/deque (erase, erase_if): Likewise.
	* include/std/map (erase, erase_if): Likewise.
	* include/std/set (erase, erase_if): Likewise.
	* include/std/unordered_map (erase, erase_if): Likewise.
	* include/std/unordered_set (erase, erase_if): Likewise.
	* include/std/vector (erase, erase_if): Likewise.
2021-10-08 12:20:25 +01:00
Jonathan Wakely 561078480f libstdc++: Avoid debug checks in uniform container erasure functions
In commit r12-4083 I tried to make the std::erase and std::erase_if
function avoid the unnecessary overhead of safe iterators. It didn't
work, for two reasons. Firstly, for the RB tree containers the
__niter_base function is a no-op (because the iterators aren't
random access) so the safe iterators were still used. Secondly, for the
cases where __niter_base did remove the safe iterator layer, there was
still unnecessary overhead to create a new safe iterator and link it to
the container.

This solves the problem by simply binding a reference to the non-debug
version of the conainer. For normal mode this is a no-op, and for debug
mode it binds a reference to the debug container's base class. That
means the rest of the function operates directly on the non-debug
container, and avoids all checking.

For std::basic_string there's no need to unwrap anything, because we use
std::basic_string directly in debug mode anyway.

libstdc++-v3/ChangeLog:

	* include/bits/erase_if.h (__erase_nodes_if): Remove redundant
	__niter_base calls.
	* include/std/string (erase, erase_if): Likewise.
	* include/std/deque (erase, erase_if): Access non-debug
	container directly.
	* include/std/map (erase, erase_if): Likewise.
	* include/std/set (erase, erase_if): Likewise.
	* include/std/unordered_map (erase, erase_if): Likewise.
	* include/std/unordered_set (erase, erase_if): Likewise.
	* include/std/vector (erase, erase_if): Likewise.
	* include/experimental/deque (erase, erase_if): Likewise.
	* include/experimental/map (erase, erase_if): Likewise.
	* include/experimental/set (erase, erase_if): Likewise.
	* include/experimental/unordered_map (erase, erase_if):
	Likewise.
	* include/experimental/unordered_set (erase, erase_if):
	Likewise.
	* include/experimental/vector (erase, erase_if): Likewise.
2021-10-07 17:52:04 +01:00
Jonathan Wakely acf3a21cbc libstdc++: Reduce header dependencies for C++20 std::erase [PR92546]
This reduces the preprocessed size of <deque>, <string> and <vector> by
not including <bits/stl_algo.h> for std::remove and std::remove_if.

Also unwrap iterators using __niter_base, to avoid redundant debug mode
checks.

	PR libstdc++/92546
	* include/bits/erase_if.h (__erase_nodes_if): Use __niter_base to
	unwrap debug iterators.
	* include/bits/refwrap.h: Do not error if included in C++03.
	* include/bits/stl_algo.h (__remove_if): Move to ...
	* include/bits/stl_algobase.h (__remove_if): ... here.
	* include/std/deque (erase, erase_if): Use __remove_if instead of
	remove and remove_if.
	* include/std/string (erase, erase_if): Likewise.
	* include/std/vector (erase, erase_if): Likewise.
2021-10-01 20:37:02 +01:00
Jakub Jelinek 99dee82307 Update copyright years. 2021-01-04 10:26:59 +01:00
Jonathan Wakely 55b00d14f4 libstdc++: Update __cpp_lib_erase_if macro (P1115R3)
Now that this feature has been approved for C++20 we can define the
macro to the official value.

	* include/bits/erase_if.h (__cpp_lib_erase_if): Define to 202002L.
	* include/std/deque: Likewise.
	* include/std/forward_list: Likewise.
	* include/std/list: Likewise.
	* include/std/string: Likewise.
	* include/std/vector: Likewise.
	* include/std/version: Likewise.
	* testsuite/23_containers/deque/erasure.cc: Test for new value.
	* testsuite/23_containers/forward_list/erasure.cc: Likewise.
	* testsuite/23_containers/list/erasure.cc: Likewise.
	* testsuite/23_containers/map/erasure.cc: Likewise.
	* testsuite/23_containers/set/erasure.cc: Likewise.
	* testsuite/23_containers/unordered_map/erasure.cc: Likewise.
	* testsuite/23_containers/unordered_set/erasure.cc: Likewise.
	* testsuite/23_containers/vector/erasure.cc: Likewise.
2020-02-15 10:25:23 +00:00
Jakub Jelinek 8d9254fc8a Update copyright years.
From-SVN: r279813
2020-01-01 12:51:42 +01:00
Jonathan Wakely 8eb60b2f22 Remove include directives for deleted Profile Mode headers
* include/std/array: Remove references to profile mode.
	* include/std/bitset: Likewise.
	* include/std/deque: Likewise.
	* include/std/forward_list: Likewise.
	* include/std/list: Likewise.
	* include/std/map: Likewise.
	* include/std/set: Likewise.
	* include/std/unordered_map: Likewise.
	* include/std/unordered_set: Likewise.
	* include/std/vector: Likewise.
	* testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
	* testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.

From-SVN: r276152
2019-09-26 17:08:24 +01:00
Jonathan Wakely 1f48525ded Ensure pool resources always use normal mode vector
The __pool_resource::_M_unpooled member was declared with type
std::vector, which means that the type depends on whether debug mode is
active or not. Because the non-inline definitions in
src/c++17/memory_resource.cc are never compiled with debug mode, the
type declared in the header doesn't match the type in the library
definitions, leading to undefined behaviour.

The solution is to ensure the header always uses the non-debug vector,
even when debug mode is active. To make this easier a new alias template
is defined: _GLIBCXX_STD_C::pmr::vector.

	* include/std/memory_resource (__pool_resource::_M_unpooled): Use
	normal mode vector, even for debug mode.
	* include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
	Define alias template for normal mode vector.

From-SVN: r268354
2019-01-29 00:47:25 +00:00
Jonathan Wakely 45a8d80fec Define __cpp_lib_erase_if feature test macro
The C++2a draft specifies the value 201811L for this, but as an
extension we return the number of elements erased. This is expected to
be standardised, so the macro has the value 201900L until a proper value
is specified in the draft.

	* include/bits/erase_if.h: Define __cpp_lib_erase_if.
	* include/std/deque: Likewise.
	* include/std/forward_list: Likewise.
	* include/std/list: Likewise.
	* include/std/string: Likewise.
	* include/std/vector: Likewise.
	* include/std/version: Likewise.
	* testsuite/21_strings/basic_string/erasure.cc: Test macro.
	* testsuite/23_containers/deque/erasure.cc: Likewise.
	* testsuite/23_containers/forward_list/erasure.cc: Likewise.
	* testsuite/23_containers/list/erasure.cc: Likewise.
	* testsuite/23_containers/map/erasure.cc: Likewise.
	* testsuite/23_containers/set/erasure.cc: Likewise.
	* testsuite/23_containers/unordered_map/erasure.cc: Likewise.
	* testsuite/23_containers/unordered_set/erasure.cc: Likewise.
	* testsuite/23_containers/vector/erasure.cc: Likewise.

From-SVN: r267810
2019-01-10 13:49:31 +00:00
Jakub Jelinek a554497024 Update copyright years.
From-SVN: r267494
2019-01-01 13:31:55 +01:00
Edward Smith-Rowland 0b44b4b807 Pre-emptively support P0646R1 for std container erasure.
2018-11-30  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Pre-emptively support P0646R1 for std container erasure.
	* include/bits/erase_if.h: Accumulate and return number of erased nodes.
	* include/std/forward_list (): Return number of erased items.
	* include/std/list (): Ditto.
	* include/std/map (): Ditto.
	* include/std/set (): Ditto.
	* include/std/string (): Ditto.
	* include/std/unordered_map (): Ditto.
	* include/std/unordered_set (): Ditto.
	* include/std/vector (): Ditto.
	* testsuite/21_strings/basic_string/erasure.cc: Test number of erasures.
	* testsuite/23_containers/deque/erasure.cc: Ditto.
	* testsuite/23_containers/forward_list/erasure.cc: Ditto.
	* testsuite/23_containers/list/erasure.cc: Ditto.
	* testsuite/23_containers/map/erasure.cc: Ditto.
	* testsuite/23_containers/set/erasure.cc: Ditto.
	* testsuite/23_containers/unordered_map/erasure.cc: Ditto.
	* testsuite/23_containers/unordered_set/erasure.cc: Ditto.
	* testsuite/23_containers/vector/erasure.cc: Ditto.

From-SVN: r266672
2018-11-30 16:12:13 +00:00
Edward Smith-Rowland 355c62ce02 Only include bits/stl_algo.h for C++20.
2018-11-29  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Only include bits/stl_algo.h for C++20.
	* include/std/deque: Only include bits/stl_algo.h for C++20.
	* include/std/string: Ditto.
	* include/std/vector: Ditto.

From-SVN: r266624
2018-11-29 15:17:17 +00:00
Edward Smith-Rowland a62b871d65 Fix erasure goofs.
2018-11-29  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Fix erasure goofs.
	* include/experimental/deque: Make inline.
	* include/std/deque: Include bits/stl_algo.h.
	(erase, erase_if): Make inline.
	* include/std/string: Include bits/stl_algo.h.
	* include/std/unordered_set: Add erase, erase_if!
	* include/std/vector: Include bits/stl_algo.h.
	* testsuite/21_strings/basic_string/erasure.cc:
	Add { dg-options "-std=gnu++2a" }.
	* testsuite/23_containers/deque/erasure.cc: Ditto.
	* testsuite/23_containers/forward_list/erasure.cc: Ditto.
	* testsuite/23_containers/list/erasure.cc: Ditto.
	* testsuite/23_containers/map/erasure.cc: Ditto.
	* testsuite/23_containers/set/erasure.cc: Ditto.
	* testsuite/23_containers/unordered_map/erasure.cc: Ditto.
	* testsuite/23_containers/unordered_set/erasure.cc: Ditto.
	* testsuite/23_containers/vector/erasure.cc: Ditto.

From-SVN: r266616
2018-11-29 13:43:55 +00:00
Edward Smith-Rowland 188588e443 Implement uniform container erasure for C++20.
2018-11-28  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Implement uniform container erasure for C++20.
	* include/Makefile.am: Move erase_if.h.
	* include/Makefile.in: Move erase_if.h.
	* include/experimental/bits/erase_if.h: Move ...
	* include/bits/erase_if.h: ... here.
	* include/experimental/map: Move erase_if.h.
	* include/experimental/set: Move erase_if.h.
	* include/experimental/unordered_map: Move erase_if.h.
	* include/experimental/unordered_set: Move erase_if.h.
	* include/std/deque (erase_if, erase): New functions.
	* include/std/forward_list: Ditto.
	* include/std/list: Ditto.
	* include/std/map: Ditto.
	* include/std/set: Ditto.
	* include/std/string: Ditto.
	* include/std/unordered_map: Ditto.
	* include/std/unordered_set: Ditto.
	* include/std/vector: Ditto.
	* testsuite/21_strings/basic_string/erasure.cc: New test.
	* testsuite/23_containers/deque/erasure.cc: New test.
	* testsuite/23_containers/forward_list/erasure.cc: New test.
	* testsuite/23_containers/list/erasure.cc: New test.
	* testsuite/23_containers/map/erasure.cc: New test.
	* testsuite/23_containers/set/erasure.cc: New test.
	* testsuite/23_containers/unordered_map/erasure.cc: New test.
	* testsuite/23_containers/unordered_set/erasure.cc: New test.
	* testsuite/23_containers/vector/erasure.cc: New test.

From-SVN: r266567
2018-11-28 16:44:25 +00:00
Jonathan Wakely 1fc9d0b0e4 Define aliases for containers using polymorphic_allocator
These aliases are placed in the top-level header, e.g. <vector> not
<bits/stl_vector.h>. This ensures that they refer to whichever of
std::vector or __debug::vector or __profile::vector is in use when the
header is included.

	* include/std/deque (std::pmr::deque): Declare alias.
	* include/std/forward_list (std::pmr::forward_list): Likewise.
	* include/std/list (std::pmr::list): Likewise.
	* include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
	* include/std/regex (std::pmr::match_results, std::pmr::cmatch)
	(std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
	* include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
	* include/std/string (std::pmr::basic_string, std::pmr::string)
	(std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
	Likewise.
	* include/std/unordered_map (std::pmr::unordered_map)
	(std::pmr::unordered_multimap): Likewise.
	* include/std/unordered_set (std::pmr::unordered_set)
	(std::pmr::unordered_multiset): Likewise.
	* include/std/vector (std::pmr::vector): Likewise.
	* testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
	* testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
	* testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
	* testsuite/23_containers/list/pmr_typedefs.cc: New test.
	* testsuite/23_containers/map/pmr_typedefs.cc: New test.
	* testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
	* testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
	* testsuite/23_containers/set/pmr_typedefs.cc: New test.
	* testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
	* testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
	test.
	* testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
	test.
	* testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
	* testsuite/23_containers/vector/pmr_typedefs.cc: New test.
	* testsuite/28_regex/match_results/pmr_typedefs.cc: New test.

From-SVN: r263456
2018-08-10 00:25:53 +01:00
Jakub Jelinek 85ec4feb11 Update copyright years.
From-SVN: r256169
2018-01-03 11:03:58 +01:00
Jakub Jelinek cbe34bb5ed Update copyright years.
From-SVN: r243994
2017-01-01 13:07:43 +01:00
Jonathan Wakely 33ac58d529 Remove trailing whitespace from libstdc++ headers
* include/std/array: Remove trailing whitespace.
	* include/std/atomic: Likewise.
	* include/std/bitset: Likewise.
	* include/std/chrono: Likewise.
	* include/std/complex: Likewise.
	* include/std/condition_variable: Likewise.
	* include/std/fstream: Likewise.
	* include/std/functional: Likewise.
	* include/std/future: Likewise.
	* include/std/iomanip: Likewise.
	* include/std/iosfwd: Likewise.
	* include/std/istream: Likewise.
	* include/std/limits: Likewise.
	* include/std/ratio: Likewise.
	* include/std/scoped_allocator: Likewise.
	* include/std/sstream: Likewise.
	* include/std/stdexcept: Likewise.
	* include/std/string: Likewise.
	* include/std/system_error: Likewise.
	* include/std/thread: Likewise.
	* include/std/tuple: Likewise.
	* include/std/type_traits: Likewise.
	* include/std/utility: Likewise.
	* include/std/valarray: Likewise.
	* include/std/vector: Likewise.

From-SVN: r237528
2016-06-16 14:47:35 +01:00
Jakub Jelinek 818ab71a41 Update copyright years.
From-SVN: r232055
2016-01-04 15:30:50 +01:00
Jakub Jelinek 5624e564d2 Update copyright years.
From-SVN: r219188
2015-01-05 13:33:28 +01:00
Richard Sandiford aa118a03c4 Update copyright years in libstdc++-v3/
From-SVN: r206301
2014-01-02 22:30:10 +00:00
John Woolverton d358f34868 re PR libstdc++/58604 (Text truncation in comments of /usr/include/c++/4.7/vector)
2013-10-03  John Woolverton  <jdwoolverton@gmail.com>

	PR libstdc++/58604
	* include/std/vector: Fix garbled line in HP Copyright.

From-SVN: r203187
2013-10-03 20:33:05 +00:00
Richard Sandiford 405feeb871 Update copyright in libstdc++-v3.
From-SVN: r195701
2013-02-03 17:54:05 +00:00
Jakub Jelinek d652f226fc Update Copyright years for files modified in 2010.
From-SVN: r168438
2011-01-03 21:52:22 +01:00
Paolo Carlini f67a9881a8 [multiple changes]
2010-07-27  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/ext/vstring_util.h: Include bits/range_access.h.
	* testsuite/ext/vstring/range_access.cc: New test.

2010-07-27  Ed Smith-Rowland  <3dw4rd@verizon.net>

	* include/bits/range_access.h: New.
	* include/Makefile.in: Add bits/range_access.h.
	* include/Makefile.am: Regenerate.
	* include/std/array: Include bits/range_access.h.
	* include/std/deque: Ditto.
	* include/std/forward_list: Ditto.
	* include/std/iterator: Ditto.
	* include/std/list: Ditto.
	* include/std/map: Ditto.
	* include/std/regex: Ditto.
	* include/std/set: Ditto.
	* include/std/string: Ditto.
	* include/std/unordered_map: Ditto.
	* include/std/unordered_set: Ditto.
	* include/std/vector: Ditto.
	* include/std/valarray: Add begin() and end().
	* libsupc++/initializer_list: Ditto.
	* include/tr1_impl/utility: Add begin() and end().
	* include/std/tuple: Ditto.
	* testsuite/24_iterators/headers/iterator/range_access.cc: New test.
	* testsuite/24_iterators/range_access.cc: Ditto.
	* testsuite/28_regex/range_access.cc: Ditto.
	* testsuite/18_support/initializer_list/range_access.cc: Ditto.
	* testsuite/21_strings/basic_string/range_access.cc: Ditto.
	* testsuite/26_numerics/valarray/range_access.cc: Ditto.
	* testsuite/23_containers/unordered_map/range_access.cc: Ditto.
	* testsuite/23_containers/multimap/range_access.cc: Ditto.
	* testsuite/23_containers/set/range_access.cc: Ditto.
	* testsuite/23_containers/unordered_multimap/range_access.cc: Ditto.
	* testsuite/23_containers/forward_list/range_access.cc: Ditto.
	* testsuite/23_containers/unordered_set/range_access.cc: Ditto.
	* testsuite/23_containers/vector/range_access.cc: Ditto.
	* testsuite/23_containers/deque/range_access.cc: Ditto.
	* testsuite/23_containers/multiset/range_access.cc: Ditto.
	* testsuite/23_containers/list/range_access.cc: Ditto.
	* testsuite/23_containers/unordered_multiset/range_access.cc: Ditto.
	* testsuite/23_containers/map/range_access.cc: Ditto.
	* testsuite/23_containers/array/range_access.cc: Ditto.
	* testsuite/20_util/tuple/range_access.cc: Ditto.
	* testsuite/20_util/pair/range_access.cc: Ditto.

From-SVN: r162578
2010-07-27 17:27:06 +00:00
Silvius Rus 1218d701f7 merge branch profile-stdlib
From-SVN: r152431
2009-10-03 02:17:41 +00:00
Jakub Jelinek 748086b7b2 Licensing changes to GPLv3 resp. GPLv3 with GCC Runtime Exception.
From-SVN: r145841
2009-04-09 17:00:19 +02:00
Benjamin Kosnik af13a7a6ec acinclude.m4 (GLIBCXX_ENABLE_CHEADERS): Add c_global.
2007-03-04  Benjamin Kosnik  <bkoz@redhat.com>

	* acinclude.m4 (GLIBCXX_ENABLE_CHEADERS): Add c_global.
	* configure.host (c_model): Set default to c_global.
	* configure: Regenerate.
	* include/Makefile.am (c_compatibility_headers_extra): Make
	conditional on GLIBCXX_C_HEADERS_COMPATIBILITY.
	(c_base_headers_extra): Make conditional on GLIBCXX_C_HEADERS_EXTRA.
	(c_compatibility_headers): Make conditional on c/c_std/c_global.
	* include/Makefile.in: Regenerate.
	* docs/html/configopts.html: Add c_global information to
	--enable-cheaders. Eventually, "c_std" should mean "C" includes
	that are in namespace std, with optional C++ "C" compatibility
	includes to inject into global scope. And "c_global" should mean
	"C" includes that are in the global namespace, with C++ includes
	injecting into namespace std and no C++ "C" compatibility
	includes.
 
2007-03-04  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/c++config: Add _GLIBCXX_NAMEPACE_C.
	Add _GLIBCXX_NAMESPACE_ASSOCIATION_CXX200x.
	Add _GLIBCXX_TR1 as namespace macro.
	Add namespace associations for std::__cxx200x conditionally.

	* include/c_compatibility/assert.h: Correct doxygen markup,
	conditionalize the global injections on _GLIBCXX_NAMESPACE_C.
	* include/c_compatibility/ctype.h: Same.
	* include/c_compatibility/errno.h: Same.
	* include/c_compatibility/float.h: Same.
	* include/c_compatibility/iso646.h: Same.
	* include/c_compatibility/limits.h: Same.
	* include/c_compatibility/locale.h: Same.
	* include/c_compatibility/math.h: Same.
	* include/c_compatibility/setjmp.h: Same.
	* include/c_compatibility/signal.h: Same.
	* include/c_compatibility/stdarg.h: Same.
	* include/c_compatibility/stddef.h: Same.
	* include/c_compatibility/stdio.h: Same.
	* include/c_compatibility/stdlib.h: Same.
	* include/c_compatibility/string.h: Same.
	* include/c_compatibility/time.h: Same.
	* include/c_compatibility/wchar.h: Same.
	* include/c_compatibility/wctype.h: Same.

	* include/c_compatibility/complex.h: Add.
	* include/c_compatibility/fenv.h: Same.
	* include/c_compatibility/inttypes.h: Same.
	* include/c_compatibility/stdbool.h: Same.
	* include/c_compatibility/stdint.h: Same.
	* include/c_compatibility/tgmath.h: Same.

	* include/c_global/cassert: Add, use include_next, use C++0x features
	if -std=c++0x.
	* include/c_global/cctype: Same.
	* include/c_global/cerrno: Same.
	* include/c_global/cfloat: Same.
	* include/c_global/ciso646: Same.
	* include/c_global/climits: Same.
	* include/c_global/clocale: Same.
	* include/c_global/cmath: Same.
	* include/c_global/cmath.tcc: Same.
	* include/c_global/csetjmp: Same.
	* include/c_global/csignal: Same.
	* include/c_global/cstdarg: Same.
	* include/c_global/cstddef: Same.
	* include/c_global/cstdio: Same.
	* include/c_global/cstdlib: Same.
	* include/c_global/cstring: Same.
	* include/c_global/ctime: Same.
	* include/c_global/cwchar: Same.
	* include/c_global/cwctype: Same.

	* include/c_global/ccomplex: Add.
	* include/c_global/cfenv: Add.
	* include/c_global/cinttypes: Add. 
	* include/c_global/cstdbool: Add.
	* include/c_global/cstdint: Add.
	* include/c_global/ctgmath: Add.

	* include/std/algorithm: Use C++0x features if -std=c++0x.	
	* include/std/bitset: Same.
	* include/std/complex: Same.
	* include/std/deque: Same.
	* include/std/fstream: Same.
	* include/std/functional: Same.
	* include/std/iomanip: Same.
	* include/std/ios: Same.
	* include/std/iosfwd: Same.
	* include/std/iostream: Same.
	* include/std/istream: Same.
	* include/std/iterator: Same.
	* include/std/limits: Same.
	* include/std/list: Same.
	* include/std/locale: Same.
	* include/std/map: Same.
	* include/std/memory: Same.
	* include/std/numeric: Same.
	* include/std/ostream: Same.
	* include/std/queue: Same.
	* include/std/set: Same.
	* include/std/sstream: Same.
	* include/std/stack: Same.
	* include/std/stdexcept: Same.
	* include/std/streambuf: Same.
	* include/std/string: Same.
	* include/std/utility: Same.
	* include/std/valarray: Same.
	* include/std/vector: Same.

	* include/std/array: Add.
	* include/std/random: Add.
	* include/std/regex: Add.
	* include/std/tuple: Add.
	* include/std/type_traits: Add.
	* include/std/unordered_map: Add.
	* include/std/unordered_set: Add.
	* include/std/c++0x_warning.h: Add.
	
	* include/tr1/array: Switch namespaces based on _GLIBCXX_TR1.
	* include/tr1/boost_shared_ptr.h: Same.
	* include/tr1/cctype: Same.
	* include/tr1/cfenv: Same.
	* include/tr1/cinttypes: Same.
	* include/tr1/cmath: Same.
	* include/tr1/common.h: Same.
	* include/tr1/complex: Same.
	* include/tr1/cstdint: Same.
	* include/tr1/cstdio: Same.
	* include/tr1/cstdlib: Same.
	* include/tr1/cwchar: Same.
	* include/tr1/cwctype: Same.
	* include/tr1/functional: Same.
	* include/tr1/functional_hash.h: Same.
	* include/tr1/functional_iterate.h: Same.
	* include/tr1/hashtable: Same.
	* include/tr1/hashtable_policy.h: Same.
	* include/tr1/math.h: Same.
	* include/tr1/memory: Same.
	* include/tr1/random: Same.
	* include/tr1/random.tcc: Same.
	* include/tr1/ref_fwd.h: Same.
	* include/tr1/repeat.h: Same.
	* include/tr1/stdlib.h: Same.
	* include/tr1/tuple: Same.
	* include/tr1/tuple_iterate.h: Same.
	* include/tr1/type_traits: Same.
	* include/tr1/type_traits_fwd.h: Same.
	* include/tr1/unordered_map: Same.
	* include/tr1/unordered_set: Same.
	* include/tr1/utility: Same.

	* include/tr1/ccomplex: Add.
	* include/tr1/complex.h: Add.
	* include/tr1/regex: Add.

	* include/Makefile.am: Add C++0x headers, "C" compatibility headers.
	* include/Makefile.in: Regenerate.

	* testsuite/tr1/headers.cc: Add in regex/complex.

	* testsuite/17_intro/headers/c++200x/all.cc: New.
	* testsuite/17_intro/headers/c++200x/all_multiple_inclusion.cc: Same.
	* testsuite/17_intro/using_namespace_std_tr1_neg.cc: Same.
	* testsuite/18_support/headers/cstdbool/std_c++0x_neg.cc: Same.
	* testsuite/18_support/headers/cstdint/std_c++0x_neg.cc: Same.
	* testsuite/18_support/headers/cstdint/types_std_c++0x.cc: Same.
	* testsuite/20_util/enable_shared_from_this/requirements/
	explicit_instantiation.cc: Same.
	* testsuite/20_util/headers/functional/types_std_c++0x.cc: Same.
	* testsuite/20_util/headers/functional/
	using_namespace_std_placeholders.cc: Same.
	* testsuite/20_util/headers/memory/types_std_c++0x.cc: Same.
	* testsuite/20_util/headers/type_traits/std_c++0x_neg.cc: Same.
	* testsuite/20_util/headers/type_traits/types_std_c++0x.cc: Same.
	* testsuite/20_util/shared_ptr/requirements/
	explicit_instantiation.cc: Same.
	* testsuite/20_util/weak_ptr/requirements/
	explicit_instantiation.cc: Same.
	* testsuite/23_containers/array/requirements/
	explicit_instantiation.cc: Same.
	* testsuite/23_containers/hash/requirements/
	explicit_instantiation.cc: Same.
	* testsuite/23_containers/headers/array/std_c++0x_neg.cc: Same.
	* testsuite/23_containers/headers/tuple/std_c++0x_neg.cc: Same.
	* testsuite/23_containers/headers/tuple/types_std_c++0x.cc: Same.
	* testsuite/23_containers/headers/unordered_map/std_c++0x_neg.cc: Same.
	* testsuite/23_containers/headers/unordered_set/std_c++0x_neg.cc: Same.
	* testsuite/23_containers/tuple/requirements/
	explicit_instantiation.cc: Same.
	* testsuite/23_containers/unordered_map/requirements/
	explicit_instantiation.cc: Same.
	* testsuite/23_containers/unordered_multimap/requirements/
	explicit_instantiation.cc: Same.
	* testsuite/23_containers/unordered_multiset/requirements/
	explicit_instantiation.cc: Same.
	* testsuite/23_containers/unordered_set/requirements/
	explicit_instantiation.cc: Same.
	* testsuite/26_numerics/headers/ccomplex/std_c++0x_neg.cc: Same.
	* testsuite/26_numerics/headers/cfenv/std_c++0x_neg.cc: Same.
	* testsuite/26_numerics/headers/cfenv/types_std_c++0x.cc: Same.
	* testsuite/26_numerics/headers/cmath/types_std_c++0x.cc: Same.
	* testsuite/26_numerics/headers/cstdlib/types_std_c++0x.cc: Same.
	* testsuite/26_numerics/headers/ctgmath/std_c++0x_neg.cc: Same.
	* testsuite/26_numerics/headers/random/std_c++0x_neg.cc: Same.
	* testsuite/26_numerics/headers/random/types_std_c++0x.cc: Same.
	* testsuite/27_io/headers/cinttypes/std_c++0x_neg.cc: Same.
	* testsuite/27_io/headers/cinttypes/types_std_c++0x.cc: Same.
	* testsuite/28_regex/headers/regex/std_c++0x_neg.cc: Same.

	* testsuite/tr1/8_c_compatibility/cfenv/types.cc: Rename ...
	* testsuite/tr1/8_c_compatibility/cinttypes/types.cc: Same.
	* testsuite/tr1/8_c_compatibility/cmath/types.cc: Same.
	* testsuite/tr1/8_c_compatibility/cstdint/types.cc: Same.
	* testsuite/tr1/8_c_compatibility/cstdlib/types.cc: Same.
	* testsuite/tr1/8_c_compatibility/cfenv/types_std_tr1.cc: ...to this.
	* testsuite/tr1/8_c_compatibility/cinttypes/types_std_tr1.cc: Same.
	* testsuite/tr1/8_c_compatibility/cmath/types_std_tr1.cc: Same.
	* testsuite/tr1/8_c_compatibility/cstdint/types_std_tr1.cc: Same.
	* testsuite/tr1/8_c_compatibility/cstdlib/types_std_tr1.cc: Same.

From-SVN: r122533
2007-03-04 22:59:49 +00:00