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Tests which check for feature test macros should use the no_pch option,
so that we're really testing for the definition being in the intended
header, and not just testing that it's present in <bits/stdc++.h> (which
includes all the standard headers and so defines all the macros).
libstdc++-v3/ChangeLog:
* testsuite/18_support/byte/requirements.cc: Disable PCH.
* testsuite/18_support/destroying_delete.cc: Likewise.
* testsuite/18_support/source_location/1.cc: Likewise.
* testsuite/18_support/source_location/version.cc: Likewise.
* testsuite/18_support/type_info/constexpr.cc: Likewise.
* testsuite/18_support/uncaught_exceptions/uncaught_exceptions.cc:
Likewise.
* testsuite/19_diagnostics/stacktrace/output.cc: Likewise.
* testsuite/19_diagnostics/stacktrace/synopsis.cc: Likewise.
* testsuite/19_diagnostics/stacktrace/version.cc: Likewise.
* testsuite/20_util/addressof/requirements/constexpr.cc:
Likewise.
* testsuite/20_util/allocator_traits/header-2.cc: Likewise.
* testsuite/20_util/allocator_traits/header.cc: Likewise.
* testsuite/20_util/as_const/1.cc: Likewise. Likewise.
* testsuite/20_util/bitset/cons/constexpr_c++23.cc: Likewise.
* testsuite/20_util/bitset/version.cc: Likewise.
* testsuite/20_util/duration/arithmetic/constexpr_c++17.cc:
Likewise.
* testsuite/20_util/duration_cast/rounding.cc: Likewise.
* testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc:
Likewise.
* testsuite/20_util/exchange/constexpr.cc: Likewise.
* testsuite/20_util/expected/synopsis.cc: Likewise.
* testsuite/20_util/expected/version.cc: Likewise.
* testsuite/20_util/function_objects/bind_front/1.cc: Likewise.
* testsuite/20_util/function_objects/bind_front/2.cc: Likewise.
* testsuite/20_util/function_objects/invoke/3.cc: Likewise.
* testsuite/20_util/function_objects/invoke/4.cc: Likewise.
* testsuite/20_util/function_objects/invoke/constexpr.cc:
Likewise.
* testsuite/20_util/function_objects/invoke/version.cc:
Likewise.
* testsuite/20_util/function_objects/searchers.cc: Likewise.
* testsuite/20_util/integer_comparisons/1.cc: Likewise.
* testsuite/20_util/integer_comparisons/2.cc: Likewise.
* testsuite/20_util/is_bounded_array/value.cc: Likewise.
* testsuite/20_util/is_layout_compatible/value.cc: Likewise.
* testsuite/20_util/is_layout_compatible/version.cc: Likewise.
* testsuite/20_util/is_nothrow_swappable/requirements/explicit_instantiation.cc:
Likewise.
* testsuite/20_util/is_nothrow_swappable/requirements/typedefs.cc:
Likewise.
* testsuite/20_util/is_nothrow_swappable/value.cc: Likewise.
* testsuite/20_util/is_nothrow_swappable/value.h: Likewise.
* testsuite/20_util/is_nothrow_swappable_with/requirements/explicit_instantiation.cc:
Remove redundant checks already tested elsewhere.
* testsuite/20_util/is_nothrow_swappable_with/requirements/typedefs.cc:
Likewise.
* testsuite/20_util/is_nothrow_swappable_with/value.cc: Disable
PCH.
* testsuite/20_util/is_pointer_interconvertible/value.cc:
Likewise.
* testsuite/20_util/is_pointer_interconvertible/version.cc:
Likewise.
* testsuite/20_util/is_scoped_enum/value.cc: Likewise.
* testsuite/20_util/is_scoped_enum/version.cc: Likewise.
* testsuite/20_util/is_swappable/requirements/explicit_instantiation.cc:
Remove redundant checks already tested elsewhere.
* testsuite/20_util/is_swappable/requirements/typedefs.cc:
Remove redundant checks already tested elsewhere.
* testsuite/20_util/is_swappable/value.cc: Disable PCH.
* testsuite/20_util/is_swappable/value.h: Reorder headers.
* testsuite/20_util/is_swappable_with/requirements/explicit_instantiation.cc:
Remove redundant checks already tested elsewhere.
* testsuite/20_util/is_swappable_with/requirements/typedefs.cc:
Remove redundant checks already tested elsewhere.
* testsuite/20_util/is_swappable_with/value.cc: Disable PCH.
* testsuite/20_util/is_unbounded_array/value.cc: Likewise.
* testsuite/20_util/move_only_function/cons.cc: Likewise.
* testsuite/20_util/move_only_function/version.cc: Likewise.
* testsuite/20_util/optional/monadic/and_then.cc: Likewise.
* testsuite/20_util/optional/requirements.cc: Likewise.
* testsuite/20_util/optional/version.cc: Likewise.
* testsuite/20_util/owner_less/void.cc: Likewise.
* testsuite/20_util/reference_from_temporary/value.cc: Likewise.
* testsuite/20_util/reference_from_temporary/version.cc:
Likewise.
* testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
Likewise.
* testsuite/20_util/shared_ptr/creation/array.cc: Likewise.
* testsuite/20_util/shared_ptr/creation/overwrite.cc: Likewise.
* testsuite/20_util/shared_ptr/creation/version.cc: Likewise.
* testsuite/20_util/time_point_cast/rounding.cc: Likewise.
* testsuite/20_util/to_chars/constexpr.cc: Likewise.
* testsuite/20_util/to_chars/result.cc: Likewise.
* testsuite/20_util/to_chars/version.cc: Likewise.
* testsuite/20_util/to_underlying/1.cc: Likewise.
* testsuite/20_util/to_underlying/version.cc: Likewise.
* testsuite/20_util/tuple/apply/1.cc: Likewise.
* testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc:
Likewise.
* testsuite/20_util/tuple/make_from_tuple/1.cc: Likewise.
* testsuite/20_util/tuple/p2321r2.cc: Likewise.
* testsuite/20_util/tuple/tuple_element_t.cc: Likewise.
* testsuite/20_util/unique_ptr/cons/constexpr_c++20.cc:
Likewise.
* testsuite/20_util/unique_ptr/creation/for_overwrite.cc:
Likewise.
* testsuite/20_util/unreachable/1.cc: Likewise.
* testsuite/20_util/unreachable/version.cc: Likewise.
* testsuite/20_util/unwrap_reference/1.cc: Likewise.
* testsuite/20_util/unwrap_reference/3.cc: Likewise.
* testsuite/20_util/variant/constexpr.cc: Likewise.
* testsuite/20_util/variant/version.cc: Likewise.
* testsuite/20_util/variant/visit_inherited.cc: Likewise.
* testsuite/20_util/void_t/1.cc: Likewise.
* testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
Likewise.
* testsuite/21_strings/basic_string/cons/char/constexpr.cc:
Likewise.
* testsuite/21_strings/basic_string/cons/wchar_t/constexpr.cc:
Likewise.
* testsuite/21_strings/basic_string/erasure.cc: Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/char/to_string_float.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/version.cc:
Likewise.
* testsuite/21_strings/basic_string/version.cc: Likewise.
* testsuite/21_strings/basic_string_view/operations/contains/char.cc:
Likewise.
* testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
Likewise.
* testsuite/21_strings/basic_string_view/operations/copy/char/constexpr.cc:
Likewise.
* testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc:
Likewise.
* testsuite/21_strings/char_traits/requirements/constexpr_functions_c++20.cc:
Likewise.
* testsuite/21_strings/char_traits/requirements/version.cc:
Likewise.
* testsuite/23_containers/array/comparison_operators/constexpr.cc:
Likewise.
* testsuite/23_containers/array/creation/1.cc: Likewise.
* testsuite/23_containers/array/creation/2.cc: Likewise.
* testsuite/23_containers/array/element_access/constexpr_c++17.cc:
Likewise.
* testsuite/23_containers/array/requirements/constexpr_fill.cc:
Likewise.
* testsuite/23_containers/array/requirements/constexpr_iter.cc:
Likewise.
* 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/queue/cons_from_iters.cc: Likewise.
* testsuite/23_containers/set/erasure.cc: Likewise.
* testsuite/23_containers/span/1.cc: Likewise.
* testsuite/23_containers/span/2.cc: Likewise.
* testsuite/23_containers/stack/cons_from_iters.cc: Likewise.
* testsuite/23_containers/unordered_map/erasure.cc: Likewise.
* testsuite/23_containers/unordered_map/operations/1.cc:
Likewise.
* testsuite/23_containers/unordered_set/erasure.cc: Likewise.
* testsuite/23_containers/unordered_set/operations/1.cc:
Likewise.
* testsuite/23_containers/vector/cons/constexpr.cc: Likewise.
* testsuite/23_containers/vector/erasure.cc: Likewise.
* testsuite/23_containers/vector/requirements/version.cc:
Likewise.
* testsuite/24_iterators/insert_iterator/constexpr.cc: Likewise.
* testsuite/25_algorithms/clamp/constexpr.cc: Likewise.
* testsuite/25_algorithms/clamp/requirements/explicit_instantiation/1.cc:
Remove redundant checks already tested elsewhere.
* testsuite/25_algorithms/constexpr_macro.cc: Likewise.
* testsuite/25_algorithms/cpp_lib_constexpr.cc: Likewise.
* testsuite/25_algorithms/fold_left/1.cc: Likewise.
* testsuite/25_algorithms/pstl/feature_test-2.cc: Likewise.
* testsuite/25_algorithms/pstl/feature_test-3.cc: Likewise.
* testsuite/25_algorithms/pstl/feature_test-4.cc: Likewise.
* testsuite/25_algorithms/pstl/feature_test-5.cc: Likewise.
* testsuite/25_algorithms/pstl/feature_test.cc: Likewise.
* testsuite/26_numerics/bit/bit.byteswap/byteswap.cc: Likewise.
* testsuite/26_numerics/bit/bit.byteswap/version.cc: Likewise.
* testsuite/26_numerics/bit/bit.cast/bit_cast.cc: Likewise.
* testsuite/26_numerics/bit/bit.cast/version.cc: Likewise.
* testsuite/26_numerics/bit/header-2.cc: Likewise.
* testsuite/26_numerics/bit/header.cc: Likewise.
* testsuite/26_numerics/complex/1.cc: Likewise.
* testsuite/26_numerics/complex/2.cc: Likewise.
* testsuite/26_numerics/endian/2.cc: Likewise.
* testsuite/26_numerics/endian/3.cc: Likewise.
* testsuite/26_numerics/gcd/1.cc: Likewise.
* testsuite/26_numerics/lcm/1.cc: Likewise.
* testsuite/26_numerics/lerp/1.cc: Likewise.
* testsuite/26_numerics/lerp/version.cc: Likewise.
* testsuite/26_numerics/midpoint/integral.cc: Likewise.
* testsuite/26_numerics/midpoint/version.cc: Likewise.
* testsuite/26_numerics/numbers/1.cc: Likewise.
* testsuite/26_numerics/numbers/2.cc: Likewise.
* testsuite/27_io/basic_filebuf/native_handle/char/1.cc:
Likewise.
* testsuite/27_io/basic_filebuf/native_handle/version.cc:
Likewise.
* testsuite/27_io/basic_ofstream/open/char/noreplace.cc:
Likewise.
* testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
Likewise.
* testsuite/27_io/basic_syncbuf/1.cc: Likewise.
* testsuite/27_io/basic_syncbuf/2.cc: Likewise.
* testsuite/27_io/basic_syncstream/1.cc: Likewise.
* testsuite/27_io/basic_syncstream/2.cc: Likewise.
* testsuite/27_io/spanstream/1.cc: Likewise.
* testsuite/27_io/spanstream/version.cc: Likewise.
* testsuite/29_atomics/atomic/cons/value_init.cc: Likewise.
* testsuite/29_atomics/atomic/lock_free_aliases.cc: Likewise.
* testsuite/29_atomics/atomic/wait_notify/1.cc: Likewise.
* testsuite/29_atomics/atomic/wait_notify/2.cc: Likewise.
* testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
Likewise.
* testsuite/29_atomics/headers/stdatomic.h/version.cc: Likewise.
* testsuite/30_threads/barrier/1.cc: Likewise.
* testsuite/30_threads/barrier/2.cc: Likewise.
* testsuite/30_threads/condition_variable_any/stop_token/1.cc:
Likewise.
* testsuite/30_threads/condition_variable_any/stop_token/2.cc:
Likewise.
* testsuite/30_threads/jthread/1.cc: Likewise.
* testsuite/30_threads/jthread/version.cc: Likewise.
* testsuite/30_threads/latch/1.cc: Likewise.
* testsuite/30_threads/latch/2.cc: Likewise.
* testsuite/30_threads/scoped_lock/requirements/typedefs.cc:
Likewise.
* testsuite/30_threads/semaphore/1.cc: Likewise.
* testsuite/30_threads/semaphore/2.cc: Likewise.
* testsuite/30_threads/stop_token/1.cc: Likewise.
* testsuite/30_threads/stop_token/2.cc: Likewise.
* testsuite/experimental/feat-char8_t.cc: Likewise.
* testsuite/experimental/iterator/ostream_joiner.cc: Likewise.
* testsuite/experimental/numeric/gcd.cc: Likewise.
* testsuite/experimental/scopeguard/uniqueres.cc: Likewise.
* testsuite/std/concepts/1.cc: Likewise.
* testsuite/std/concepts/2.cc: Likewise.
* testsuite/std/ranges/adaptors/as_const/1.cc: Likewise.
* testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
* testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
* testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
* testsuite/std/ranges/adaptors/enumerate/1.cc: Likewise.
* testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
* testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
* testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
* testsuite/std/ranges/cartesian_product/1.cc: Likewise.
* testsuite/std/ranges/headers/ranges/synopsis.cc: Likewise.
* testsuite/std/ranges/repeat/1.cc: Likewise.
* testsuite/std/ranges/version_c++23.cc: Likewise.
* testsuite/std/ranges/zip/1.cc: Likewise.
* testsuite/std/time/syn_c++20.cc: Likewise.
* testsuite/experimental/feat-cxx14.cc: Likewise. Include
<algorithm> and <iterator>.
* testsuite/23_containers/array/tuple_interface/get_neg.cc:
Adjust dg-error line numbers.
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The testsuite will automatically select C++20 for these tests now, and
removing the hardcoded -std option allows them to be tested for C++23
and C++26 as well.
libstdc++-v3/ChangeLog:
* testsuite/std/concepts/1.cc: Remove dg-options.
* testsuite/std/concepts/2.cc: Likewise.
* testsuite/std/concepts/concepts.callable/invocable.cc:
Likewise.
* testsuite/std/concepts/concepts.callable/regular_invocable.cc:
Likewise.
* testsuite/std/concepts/concepts.callable/relation.cc:
Likewise.
* testsuite/std/concepts/concepts.callable/strictweakorder.cc:
Likewise.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/floating_point.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/signed_integral.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/unsigned_integral.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.assignable/1.cc:
Likewise.
* testsuite/std/concepts/concepts.lang/concept.common/1.cc:
Likewise.
* testsuite/std/concepts/concepts.lang/concept.commonref/1.cc:
Likewise.
* testsuite/std/concepts/concepts.lang/concept.constructible/1.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
Likewise.
* testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.defaultinitializable/1.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.defaultinitializable/lwg3149.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
Likewise.
* testsuite/std/concepts/concepts.lang/concept.destructible/1.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.same/1.cc:
Likewise.
* testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.swappable/swappable_with.cc: Likewise.
* testsuite/std/concepts/concepts.object/copyable.cc: Likewise.
* testsuite/std/concepts/concepts.object/movable.cc: Likewise.
* testsuite/std/concepts/concepts.object/regular.cc: Likewise.
* testsuite/std/concepts/concepts.object/semiregular.cc:
Likewise.
* testsuite/std/ranges/97600.cc: Likewise.
* testsuite/std/ranges/access/101782.cc: Likewise.
* testsuite/std/ranges/access/begin.cc: Likewise.
* testsuite/std/ranges/access/begin_neg.cc: Likewise.
* testsuite/std/ranges/access/cbegin.cc: Likewise.
* testsuite/std/ranges/access/cdata.cc: Likewise.
* testsuite/std/ranges/access/cend.cc: Likewise.
* testsuite/std/ranges/access/crbegin.cc: Likewise.
* testsuite/std/ranges/access/crend.cc: Likewise.
* testsuite/std/ranges/access/data.cc: Likewise.
* testsuite/std/ranges/access/empty.cc: Likewise.
* testsuite/std/ranges/access/end.cc: Likewise.
* testsuite/std/ranges/access/end_neg.cc: Likewise.
* testsuite/std/ranges/access/lwg3467.cc: Likewise.
* testsuite/std/ranges/access/p2602.cc: Likewise.
* testsuite/std/ranges/access/rbegin.cc: Likewise.
* testsuite/std/ranges/access/rend.cc: Likewise.
* testsuite/std/ranges/access/size.cc: Likewise.
* testsuite/std/ranges/access/size_neg.cc: Likewise.
* testsuite/std/ranges/access/ssize.cc: Likewise.
* testsuite/std/ranges/adaptors/100479.cc: Likewise.
* testsuite/std/ranges/adaptors/100577.cc: Likewise.
* testsuite/std/ranges/adaptors/93978.cc: Likewise.
* testsuite/std/ranges/adaptors/95322.cc: Likewise.
* testsuite/std/ranges/adaptors/99433.cc: Likewise.
* testsuite/std/ranges/adaptors/all.cc: Likewise.
* testsuite/std/ranges/adaptors/common.cc: Likewise.
* testsuite/std/ranges/adaptors/conditionally_borrowed.cc:
Likewise.
* testsuite/std/ranges/adaptors/counted.cc: Likewise.
* testsuite/std/ranges/adaptors/detail/copyable_box.cc:
Likewise.
* testsuite/std/ranges/adaptors/drop.cc: Likewise.
* testsuite/std/ranges/adaptors/drop_while.cc: Likewise.
* testsuite/std/ranges/adaptors/elements.cc: Likewise.
* testsuite/std/ranges/adaptors/filter.cc: Likewise.
* testsuite/std/ranges/adaptors/join.cc: Likewise.
* testsuite/std/ranges/adaptors/lazy_split.cc: Likewise.
* testsuite/std/ranges/adaptors/lazy_split_neg.cc: Likewise.
* testsuite/std/ranges/adaptors/lwg3286.cc: Likewise.
* testsuite/std/ranges/adaptors/lwg3313_neg.cc: Likewise.
* testsuite/std/ranges/adaptors/lwg3325_neg.cc: Likewise.
* testsuite/std/ranges/adaptors/lwg3406.cc: Likewise.
* testsuite/std/ranges/adaptors/p1739.cc: Likewise.
* testsuite/std/ranges/adaptors/p2281.cc: Likewise.
* testsuite/std/ranges/adaptors/p2770r0.cc: Likewise.
* testsuite/std/ranges/adaptors/reverse.cc: Likewise.
* testsuite/std/ranges/adaptors/sizeof.cc: Likewise.
* testsuite/std/ranges/adaptors/split.cc: Likewise.
* testsuite/std/ranges/adaptors/take.cc: Likewise.
* testsuite/std/ranges/adaptors/take_while.cc: Likewise.
* testsuite/std/ranges/adaptors/transform.cc: Likewise.
* testsuite/std/ranges/empty_view.cc: Likewise.
* testsuite/std/ranges/headers/ranges/synopsis.cc: Likewise.
* testsuite/std/ranges/iota/difference_type.cc: Likewise.
* testsuite/std/ranges/iota/iota_view.cc: Likewise.
* testsuite/std/ranges/iota/iterator.cc: Likewise.
* testsuite/std/ranges/iota/lwg3292_neg.cc: Likewise.
* testsuite/std/ranges/iota/max_size_type.cc: Likewise.
* testsuite/std/ranges/istream_view.cc: Likewise.
* testsuite/std/ranges/p2259.cc: Likewise.
* testsuite/std/ranges/p2325.cc: Likewise.
* testsuite/std/ranges/p2367.cc: Likewise.
* testsuite/std/ranges/range.cc: Likewise.
* testsuite/std/ranges/refinements.cc: Likewise.
* testsuite/std/ranges/safe_range.cc: Likewise.
* testsuite/std/ranges/safe_range_types.cc: Likewise.
* testsuite/std/ranges/single_view.cc: Likewise.
* testsuite/std/ranges/sized.cc: Likewise.
* testsuite/std/ranges/subrange/1.cc: Likewise.
* testsuite/std/ranges/subrange/97512.cc: Likewise.
* testsuite/std/ranges/subrange/constexpr.cc: Likewise.
* testsuite/std/ranges/subrange/lwg3282_neg.cc: Likewise.
* testsuite/std/ranges/subrange/lwg3286.cc: Likewise.
* testsuite/std/ranges/subrange/lwg3433.cc: Likewise.
* testsuite/std/ranges/subrange/sizeof.cc: Likewise.
* testsuite/std/ranges/subrange/tuple_like.cc: Likewise.
* testsuite/std/ranges/view.cc: Likewise.
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This uses variable templates and constraints to define a much simpler
std::destructible concept. This avoids instantiating the trait
std::is_nothrow_destructible and all its implementation in terms of
__is_destructible_safe and __is_destructible_impl.
If we had an intrinsic we could just use that (PR c++/107600).
libstdc++-v3/ChangeLog:
* include/std/concepts (__detail::__destructible_impl)
(__detail::__destructible): New variable templates.
(destructible): Use __detail::__destructible.
* testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
Add more checks for array and reference types.
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[PR98725]
Now that std::wstring and other specializations for wchar_t are defined
unconditionally, many checks for _GLIBCXX_USE_WCHAR_T in the testsuite
are unnecessary and can be removed. Tests for iostreams, locales, regex
and filesystem::path still need to be guarded by _GLIBCXX_USE_WCHAR_T
because those components depend on libc support in <wchar.h> and other
headers.
libstdc++-v3/ChangeLog:
PR libstdc++/98725
* testsuite/18_support/numeric_limits/lowest.cc: Remove use of
_GLIBCXX_USE_WCHAR_T.
* testsuite/18_support/numeric_limits/min_max.cc: Replace use of
_GLIBCXX_USE_WCHAR_T with checks for WCHAR_MIN and WCHAR_MAX.
* testsuite/20_util/from_chars/1_neg.cc: Remove use of
_GLIBCXX_USE_WCHAR_T.
* testsuite/20_util/function_objects/searchers.cc: Likewise. Use
char_traits<wchar_t>::length instead of wcslen.
* testsuite/20_util/hash/requirements/explicit_instantiation.cc:
Likewise.
* testsuite/20_util/is_arithmetic/value.cc: Likewise.
* testsuite/20_util/is_compound/value.cc: Likewise.
* testsuite/20_util/is_floating_point/value.cc: Likewise.
* testsuite/20_util/is_fundamental/value.cc: Likewise.
* testsuite/20_util/is_integral/value.cc: Likewise.
* testsuite/20_util/is_signed/value.cc: Likewise.
* testsuite/20_util/is_unsigned/value.cc: Likewise.
* testsuite/20_util/is_void/value.cc: Likewise.
* testsuite/20_util/make_signed/requirements/typedefs-1.cc:
Likewise.
* testsuite/20_util/make_signed/requirements/typedefs-2.cc:
Likewise.
* testsuite/20_util/make_signed/requirements/typedefs-3.cc:
Likewise.
* testsuite/20_util/make_signed/requirements/typedefs-4.cc:
Likewise.
* testsuite/20_util/make_unsigned/requirements/typedefs-1.cc:
Likewise.
* testsuite/20_util/make_unsigned/requirements/typedefs-2.cc:
Likewise.
* testsuite/20_util/make_unsigned/requirements/typedefs-3.cc:
Likewise.
* testsuite/20_util/to_chars/3.cc: Likewise.
* testsuite/20_util/type_identity/requirements/typedefs.cc:
Likewise.
* testsuite/21_strings/basic_string/hash/debug.cc: Likewise.
* testsuite/21_strings/basic_string/hash/hash.cc: Likewise.
* testsuite/21_strings/basic_string/literals/types-char8_t.cc:
Likewise.
* testsuite/21_strings/basic_string/literals/types.cc: Likewise.
* testsuite/21_strings/basic_string/literals/values-char8_t.cc:
Likewise.
* testsuite/21_strings/basic_string/literals/values.cc:
Likewise.
* testsuite/21_strings/basic_string/modifiers/64422.cc:
Likewise.
* testsuite/21_strings/basic_string/range_access/wchar_t/1.cc:
Likewise.
* testsuite/21_strings/basic_string/requirements/citerators.cc:
Likewise.
* testsuite/21_strings/basic_string/requirements/typedefs.cc:
Likewise.
* testsuite/21_strings/basic_string/types/pmr_typedefs.cc:
Likewise.
* testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
Likewise.
* testsuite/21_strings/basic_string_view/literals/types.cc:
Likewise.
* testsuite/21_strings/basic_string_view/literals/values-char8_t.cc:
Likewise.
* testsuite/21_strings/basic_string_view/literals/values.cc:
Likewise.
* testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
Likewise.
* testsuite/21_strings/basic_string_view/typedefs.cc: Likewise.
* testsuite/21_strings/char_traits/requirements/constexpr_functions.cc:
Likewise.
* testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc:
Likewise.
* testsuite/21_strings/char_traits/requirements/constexpr_functions_c++20.cc:
Likewise.
* testsuite/22_locale/ctype/is/string/89728_neg.cc: Likewise.
* testsuite/25_algorithms/fill/4.cc: Likewise.
* testsuite/25_algorithms/fill_n/1.cc: Likewise.
* testsuite/experimental/functional/searchers.cc: Likewise. Use
char_traits<wchar_t>::length instead of wcslen.
* testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
Likewise.
* testsuite/experimental/string_view/literals/types-char8_t.cc:
Likewise.
* testsuite/experimental/string_view/literals/types.cc:
Likewise.
* testsuite/experimental/string_view/literals/values-char8_t.cc:
Likewise.
* testsuite/experimental/string_view/literals/values.cc:
Likewise.
* testsuite/experimental/string_view/range_access/wchar_t/1.cc:
Likewise.
* testsuite/experimental/string_view/requirements/typedefs.cc:
Likewise.
* testsuite/experimental/string_view/typedefs.cc: Likewise.
* testsuite/ext/vstring/range_access.cc: Likewise.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
Likewise.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/signed_integral.cc:
Likewise.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/unsigned_integral.cc:
Likewise.
* testsuite/tr1/4_metaprogramming/is_arithmetic/value.cc:
Likewise.
* testsuite/tr1/4_metaprogramming/is_compound/value.cc:
Likewise.
* testsuite/tr1/4_metaprogramming/is_floating_point/value.cc:
Likewise.
* testsuite/tr1/4_metaprogramming/is_fundamental/value.cc:
Likewise.
* testsuite/tr1/4_metaprogramming/is_integral/value.cc:
Likewise.
* testsuite/tr1/4_metaprogramming/is_signed/value.cc: Likewise.
* testsuite/tr1/4_metaprogramming/is_unsigned/value.cc:
Likewise.
* testsuite/tr1/4_metaprogramming/is_void/value.cc: Likewise.
* testsuite/tr1/6_containers/hash/24799.cc: Likewise.
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In r12-1489-g8b93548778a487f31f21e0c6afe7e0bde9711fc4 I made the
[range.access] CPO types final and non-addressable. Tim Song pointed out
this is wrong. Only the [range.iter.ops] functions should be final and
non-addressable. Revert the changes to the [range.access] objects.
Signed-off-by: Jonathan Wakely <jwakely@redhat.com>
libstdc++-v3/ChangeLog:
* include/bits/ranges_base.h (ranges::begin, ranges::end)
(ranges::cbegin, ranges::cend, ranges::rbeing, ranges::rend)
(ranges::crbegin, ranges::crend, ranges::size, ranges::ssize)
(ranges::empty, ranges::data, ranges::cdata): Remove final
keywords and deleted operator& overloads.
* testsuite/24_iterators/customization_points/iter_move.cc: Use
new is_customization_point_object function.
* testsuite/24_iterators/customization_points/iter_swap.cc:
Likewise.
* testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
Likewise.
* testsuite/std/ranges/access/begin.cc: Likewise.
* testsuite/std/ranges/access/cbegin.cc: Likewise.
* testsuite/std/ranges/access/cdata.cc: Likewise.
* testsuite/std/ranges/access/cend.cc: Likewise.
* testsuite/std/ranges/access/crbegin.cc: Likewise.
* testsuite/std/ranges/access/crend.cc: Likewise.
* testsuite/std/ranges/access/data.cc: Likewise.
* testsuite/std/ranges/access/empty.cc: Likewise.
* testsuite/std/ranges/access/end.cc: Likewise.
* testsuite/std/ranges/access/rbegin.cc: Likewise.
* testsuite/std/ranges/access/rend.cc: Likewise.
* testsuite/std/ranges/access/size.cc: Likewise.
* testsuite/std/ranges/access/ssize.cc: Likewise.
* testsuite/util/testsuite_iterators.h
(is_customization_point_object): New function.
|
|
|
|
This fixes some warnings emitted when testing with warning flags added.
Some of these are only necessary when testing with -Wsystem-headers, but
either way it cleans up the tests to be less noisy under non-default
flags.
libstdc++-v3/ChangeLog:
* testsuite/18_support/96817.cc: Avoid -Wunused warnings.
* testsuite/20_util/any/assign/2.cc: Likewise.
* testsuite/20_util/any/cons/2.cc: Likewise.
* testsuite/20_util/align/1.cc: Avoid -Wsign-compare warning.
* testsuite/20_util/function/65760.cc: Avoid -Wunused warning.
* testsuite/20_util/function/1.cc: Avoid -Wcatch-value warning.
* testsuite/20_util/function/cons/move_target.cc: Avoid -Wunused
warning.
* testsuite/20_util/headers/memory/synopsis.cc: Add exception
specification.
* testsuite/20_util/monotonic_buffer_resource/allocate.cc: Avoid
-Wsign-compare warning.
* testsuite/20_util/tuple/cons/deduction.cc: Avoid -Wunused
warning.
* testsuite/20_util/specialized_algorithms/uninitialized_copy/808590-cxx11.cc:
Avoid -Wdeprecated-copy warning.
* testsuite/21_strings/basic_string/56166.cc: Avoid
-Wcatch-value warning.
* testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
Avoid -Wcatch-value warnings.
* testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/char/stold.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/char/stoll.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/char/stoull.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stod.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stof.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stoi.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stol.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stold.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stoll.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stoul.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stoull.cc:
Likewise.
* testsuite/21_strings/basic_string_view/operations/compare/char/nonnull.cc:
Prune additional diagnostics.
* testsuite/21_strings/basic_string_view/operations/find/char/nonnull.cc:
Likewise.
* testsuite/21_strings/basic_string_view/operations/rfind/char/nonnull.cc:
Likewise.
* testsuite/21_strings/headers/string/synopsis.cc: Add exception
specifications.
* testsuite/22_locale/locale/cons/12352.cc: Define sized
delete operators to avoid warnings.
* testsuite/23_containers/deque/modifiers/swap/1.cc: Add
exception specification.
* testsuite/23_containers/forward_list/cons/11.cc: Avoid
-Wdeprecated-copy warning.
* testsuite/23_containers/headers/bitset/synopsis.cc: Add
exception specification.
* testsuite/23_containers/headers/deque/synopsis.cc: Likewise.
* testsuite/23_containers/headers/forward_list/synopsis.cc:
Likewise.
* testsuite/23_containers/headers/list/synopsis.cc: Likewise.
* testsuite/23_containers/headers/map/synopsis.cc: Likewise.
* testsuite/23_containers/headers/queue/synopsis.cc: Likewise.
* testsuite/23_containers/headers/set/synopsis.cc: Likewise.
* testsuite/23_containers/headers/vector/synopsis.cc: Likewise.
* testsuite/23_containers/list/modifiers/swap/1.cc: Likewise.
* testsuite/23_containers/map/modifiers/swap/1.cc: Likewise.
* testsuite/23_containers/multimap/modifiers/swap/1.cc:
Likewise.
* testsuite/23_containers/multiset/modifiers/swap/1.cc:
Likewise.
* testsuite/23_containers/set/modifiers/swap/1.cc: Likewise.
* testsuite/23_containers/unordered_set/56267-2.cc: Avoid
-Wdeprecated-copy warning.
* testsuite/23_containers/vector/bool/23632.cc: Avoid
-Wempty-body warning.
* testsuite/23_containers/vector/modifiers/swap/1.cc: Add
exception specification.
* testsuite/25_algorithms/heap/moveable2.cc: Fix misplaced
parentheses around arguments.
* testsuite/25_algorithms/sample/1.cc: Use return value.
* testsuite/25_algorithms/search/searcher.cc: Avoid -Wunused
warnings.
* testsuite/27_io/basic_ostream/exceptions/char/9561.cc:
Likewise.
* testsuite/27_io/basic_ostream/exceptions/wchar_t/9561.cc:
Likewise.
* testsuite/27_io/filesystem/operations/remove_all.cc: Avoid
-Wsign-compare warning.
* testsuite/experimental/any/assign/2.cc: Avoid -Wunused warnings.
* testsuite/experimental/any/cons/2.cc: Likewise.
* testsuite/experimental/filesystem/operations/remove_all.cc:
Avoid -Wign-compare warning.
* testsuite/experimental/memory/observer_ptr/cons/cons.cc:
Likewise.
* testsuite/experimental/memory_resource/null_memory_resource.cc:
Likewise.
* testsuite/experimental/source_location/1.cc: Avoid -Waddress
warning.
* testsuite/ext/pod_char_traits.cc: Avoid -Wunused warning.
* testsuite/ext/vstring/modifiers/clear/56166.cc: Avoid
-Wcatch-value.
* testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
Avoid -Wunused warning.
* testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
Likewise.
* testsuite/tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc:
Prune additional warnings.
* testsuite/tr1/3_function_objects/function/1.cc: Avoid
-Wcatch-value warning.
* testsuite/util/replacement_memory_operators.h: Define sized
delete to avoid warnings.
* testsuite/util/testsuite_api.h (_NonDefaultConstructible): Add
user-declared assignment operator to stop -Wdeprecated-copy
warnings.
* testsuite/util/testsuite_containers.h: Avoid -Wunused warning.
* testsuite/util/testsuite_iterators.h: Avoid -Wsign-compare
warnings.
* testsuite/util/testsuite_new_operators.h: Define sized deleted.
|
|
libstdc++-v3/ChangeLog:
* testsuite/26_numerics/numbers/float128.cc: Check
__STRICT_ANSI__ before using __float128.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/floating_point.cc:
Likewise.
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* include/std/functional (__cpp_lib_concepts): Update macro value to
indicate P1964R2 support.
* include/std/version (__cpp_lib_concepts): Likewise.
* testsuite/std/concepts/1.cc: Adjust expected value.
* testsuite/std/concepts/2.cc: Likewise.
|
|
From-SVN: r279813
|
|
The change approved in Belfast did not actually rename the concept from
std::default_constructible to std::default_initializable, even though
that was intended. That is expected to be done soon as a separate issue,
so I'm implementing that now too.
* include/bits/iterator_concepts.h (weakly_incrementable): Adjust.
* include/std/concepts (default_constructible): Rename to
default_initializable and require default-list-initialization and
default-initialization to be valid (LWG 3149).
(semiregular): Adjust to new name.
* testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
1.cc: Rename directory to concept.defaultinitializable and adjust to
new name.
* testsuite/std/concepts/concepts.lang/concept.defaultinitializable/
lwg3149.cc: New test.
* testsuite/util/testsuite_iterators.h (test_range): Adjust.
From-SVN: r278314
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|
* include/bits/iterator_concepts.h (__iter_concept_impl): Add
comments.
(indirect_relation): Rename to indirect_binary_predicate and adjust
definition as per P1716R3.
(indirect_equivalence_relation): Define.
(indirectly_comparable): Adjust definition.
* include/std/concepts (equivalence_relation): Define.
* testsuite/std/concepts/concepts.callable/relation.cc: Add tests for
equivalence_relation.
From-SVN: r278256
|
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There are three major pieces to this support: scalar operator<=>,
synthesis of comparison operators, and rewritten/reversed overload
resolution (e.g. a < b becomes 0 > b <=> a).
Unlike other defaulted functions, where we use synthesized_method_walk to
semi-simulate what the definition of the function will be like, this patch
determines the characteristics of a comparison operator by trying to define
it.
My handling of non-dependent rewritten operators in templates can still use
some work: build_min_non_dep_op_overload can't understand the rewrites and
crashes, so I'm avoiding it for now by clearing *overload. This means we'll
do name lookup again at instantiation time, which can incorrectly mean a
different result. I'll poke at this more in stage 3.
I'm leaving out a fourth section ("strong structural equality") even though
I've implemented it, because it seems likely to change radically tomorrow.
Thanks to Tim van Deurzen and Jakub for implementing lexing of the <=>
operator, and Jonathan for the initial <compare> header.
gcc/cp/
* cp-tree.h (struct lang_decl_fn): Add maybe_deleted bitfield.
(DECL_MAYBE_DELETED): New.
(enum special_function_kind): Add sfk_comparison.
(LOOKUP_REWRITTEN, LOOKUP_REVERSED): New.
* call.c (struct z_candidate): Add rewritten and reversed methods.
(add_builtin_candidate): Handle SPACESHIP_EXPR.
(add_builtin_candidates): Likewise.
(add_candidates): Don't add a reversed candidate if the parms are
the same.
(add_operator_candidates): Split out from build_new_op_1. Handle
rewritten and reversed candidates.
(add_candidate): Swap conversions of reversed candidate.
(build_new_op_1): Swap them back. Build a second operation for
rewritten candidates.
(extract_call_expr): Handle rewritten calls.
(same_fn_or_template): New.
(joust): Handle rewritten and reversed candidates.
* class.c (add_implicitly_declared_members): Add implicit op==.
(classtype_has_op, classtype_has_defaulted_op): New.
* constexpr.c (cxx_eval_binary_expression): Handle SPACESHIP_EXPR.
(cxx_eval_constant_expression, potential_constant_expression_1):
Likewise.
* cp-gimplify.c (genericize_spaceship): New.
(cp_genericize_r): Use it.
* cp-objcp-common.c (cp_common_init_ts): Handle SPACESHIP_EXPR.
* decl.c (finish_function): Handle deleted function.
* decl2.c (grokfield): SET_DECL_FRIEND_CONTEXT on defaulted friend.
(mark_used): Check DECL_MAYBE_DELETED. Remove assumption that
defaulted functions are non-static members.
* error.c (dump_expr): Handle SPACESHIP_EXPR.
* method.c (type_has_trivial_fn): False for sfk_comparison.
(enum comp_cat_tag, struct comp_cat_info_t): New types.
(comp_cat_cache): New array variable.
(lookup_comparison_result, lookup_comparison_category)
(is_cat, cat_tag_for, spaceship_comp_cat)
(spaceship_type, genericize_spaceship)
(common_comparison_type, early_check_defaulted_comparison)
(comp_info, build_comparison_op): New.
(synthesize_method): Handle sfk_comparison. Handle deleted.
(get_defaulted_eh_spec, maybe_explain_implicit_delete)
(explain_implicit_non_constexpr, implicitly_declare_fn)
(defaulted_late_check, defaultable_fn_check): Handle sfk_comparison.
* name-lookup.c (get_std_name_hint): Add comparison categories.
* tree.c (special_function_p): Add sfk_comparison.
* typeck.c (cp_build_binary_op): Handle SPACESHIP_EXPR.
2019-11-05 Tim van Deurzen <tim@kompiler.org>
Add new tree code for the spaceship operator.
gcc/cp/
* cp-tree.def: Add new tree code.
* operators.def: New binary operator.
* parser.c: Add new token and tree code.
libcpp/
* cpplib.h: Add spaceship operator for C++.
* lex.c: Implement conditional lexing of spaceship operator for C++20.
2019-11-05 Jonathan Wakely <jwakely@redhat.com>
libstdc++-v3/
* libsupc++/compare: New header.
* libsupc++/Makefile.am (std_HEADERS): Add compare.
* include/std/version: Define __cpp_lib_three_way_comparison.
* include/std/functional: #include <compare>.
From-SVN: r277865
|
|
The implementation is already complete but this updates the docs and
adds tests for the feature test macro.
* doc/xml/manual/status_cxx2020.xml: Update status.
* doc/html/*: Regenerate.
* testsuite/std/concepts/1.cc: New test.
* testsuite/std/concepts/2.cc: New test.
From-SVN: r277371
|
|
There are currently no tests for [concepts.compare], but they will be
added ASAP.
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/precompiled/stdc++.h: Include <concepts>.
* include/std/concepts: New header for C++20.
* include/std/version (__cpp_lib_concepts): Define.
* scripts/create_testsuite_files: Look for test files in new std
directory.
* testsuite/libstdc++-dg/conformance.exp: Likewise.
* testsuite/std/concepts/concepts.callable/invocable.cc: New test.
* testsuite/std/concepts/concepts.callable/regular_invocable.cc: New
test.
* testsuite/std/concepts/concepts.callable/relation.cc: New test.
* testsuite/std/concepts/concepts.callable/strictweakorder.cc: New
test.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/
floating_point.cc: New test.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/
signed_integral.cc: New test.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/
unsigned_integral.cc: New test.
* testsuite/std/concepts/concepts.lang/concept.assignable/1.cc: New
test.
* testsuite/std/concepts/concepts.lang/concept.common/1.cc: New test.
* testsuite/std/concepts/concepts.lang/concept.commonref/1.cc: New
test.
* testsuite/std/concepts/concepts.lang/concept.constructible/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
1.cc: New test.
* testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.same/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.swappable/
swappable_with.cc: New test.
* testsuite/std/concepts/concepts.object/copyable.cc: New test.
* testsuite/std/concepts/concepts.object/movable.cc: New test.
* testsuite/std/concepts/concepts.object/regular.cc: New test.
* testsuite/std/concepts/concepts.object/semiregular.cc: New test.
From-SVN: r276892
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