From 6d0b43f5b81c35f4be6e33770b37060f12340a65 Mon Sep 17 00:00:00 2001
From: Jonathan Wakely <jwakely@redhat.com>
Date: Fri, 15 Sep 2023 14:27:56 +0100
Subject: [PATCH] libstdc++: Remove dg-options "-std=gnu++20" from 20_utils
tests
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/20_util/allocator/105975.cc: Remove dg-options
-std=gnu++2a.
* testsuite/20_util/allocator/rebind_c++20.cc: Likewise.
* testsuite/20_util/allocator/requirements/constexpr.cc:
Likewise.
* testsuite/20_util/allocator/requirements/typedefs_c++20.cc:
Likewise.
* testsuite/20_util/allocator_traits/header-2.cc: Likewise.
* testsuite/20_util/allocator_traits/header.cc: Likewise.
* testsuite/20_util/allocator_traits/members/92878_92947.cc:
Likewise.
* testsuite/20_util/any/assign/92878_92947.cc: Likewise.
* testsuite/20_util/any/cons/92878_92947.cc: Likewise.
* testsuite/20_util/assume_aligned/1.cc: Likewise.
* testsuite/20_util/assume_aligned/2_neg.cc: Likewise.
* testsuite/20_util/assume_aligned/3.cc: Likewise.
* testsuite/20_util/assume_aligned/97132.cc: Likewise.
* testsuite/20_util/bind/constexpr.cc: Likewise.
* testsuite/20_util/bitset/operations/96303.cc: Likewise.
* testsuite/20_util/common_reference/100894.cc: Likewise.
* testsuite/20_util/common_reference/requirements/alias_decl.cc:
Likewise.
* testsuite/20_util/common_reference/requirements/explicit_instantiation.cc:
Likewise.
* testsuite/20_util/common_reference/requirements/typedefs.cc:
Likewise.
* testsuite/20_util/duration/comparison_operators/three_way.cc:
Likewise.
* testsuite/20_util/exchange/constexpr.cc: Likewise.
* testsuite/20_util/exchange/noexcept.cc: Likewise.
* testsuite/20_util/from_chars/1_c++20_neg.cc: Likewise.
* testsuite/20_util/from_chars/compare.cc: Likewise.
* testsuite/20_util/function_objects/bind_front/1.cc: Likewise.
* testsuite/20_util/function_objects/bind_front/107784.cc:
Likewise.
* testsuite/20_util/function_objects/bind_front/111327.cc:
Likewise.
* testsuite/20_util/function_objects/bind_front/2.cc: Likewise.
* testsuite/20_util/function_objects/bind_front/97101.cc:
Likewise.
* testsuite/20_util/function_objects/bind_front/constexpr.cc:
Likewise.
* testsuite/20_util/function_objects/constexpr_searcher.cc:
Likewise.
* testsuite/20_util/function_objects/identity/1.cc: Likewise.
* testsuite/20_util/function_objects/invoke/constexpr.cc:
Likewise.
* testsuite/20_util/function_objects/mem_fn/constexpr.cc:
Likewise.
* testsuite/20_util/function_objects/not_fn/constexpr.cc:
Likewise.
* testsuite/20_util/integer_comparisons/1.cc: Likewise.
* testsuite/20_util/integer_comparisons/2.cc: Likewise.
* testsuite/20_util/integer_comparisons/equal.cc: Likewise.
* testsuite/20_util/integer_comparisons/equal_neg.cc: Likewise.
* testsuite/20_util/integer_comparisons/greater.cc: Likewise.
* testsuite/20_util/integer_comparisons/greater_equal.cc:
Likewise.
* testsuite/20_util/integer_comparisons/greater_equal_neg.cc:
Likewise.
* testsuite/20_util/integer_comparisons/greater_neg.cc:
Likewise.
* testsuite/20_util/integer_comparisons/in_range.cc: Likewise.
* testsuite/20_util/integer_comparisons/in_range_neg.cc:
Likewise.
* testsuite/20_util/integer_comparisons/less.cc: Likewise.
* testsuite/20_util/integer_comparisons/less_equal.cc: Likewise.
* testsuite/20_util/integer_comparisons/less_equal_neg.cc:
Likewise.
* testsuite/20_util/integer_comparisons/less_neg.cc: Likewise.
* testsuite/20_util/integer_comparisons/not_equal.cc: Likewise.
* testsuite/20_util/integer_comparisons/not_equal_neg.cc:
Likewise.
* testsuite/20_util/is_bounded_array/requirements/explicit_instantiation.cc:
Likewise.
* testsuite/20_util/is_bounded_array/requirements/typedefs.cc:
Likewise.
* testsuite/20_util/is_bounded_array/value.cc: Likewise.
* testsuite/20_util/is_constant_evaluated/1.cc: Likewise.
* testsuite/20_util/is_constant_evaluated/noexcept.cc: Likewise.
* testsuite/20_util/is_constructible/92878_92947.cc: Likewise.
* testsuite/20_util/is_layout_compatible/is_corresponding_member.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_constructible/value_c++20.cc:
Likewise.
* testsuite/20_util/is_nothrow_convertible/requirements/explicit_instantiation.cc:
Likewise.
* testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
Likewise.
* testsuite/20_util/is_nothrow_convertible/value.cc: Likewise.
* testsuite/20_util/is_pod/deprecated-2a.cc: Likewise.
* testsuite/20_util/is_pointer_interconvertible/value.cc:
Likewise.
* testsuite/20_util/is_pointer_interconvertible/version.cc:
Likewise.
* testsuite/20_util/is_pointer_interconvertible/with_class.cc:
Likewise.
* testsuite/20_util/is_unbounded_array/requirements/explicit_instantiation.cc:
Likewise.
* testsuite/20_util/is_unbounded_array/requirements/typedefs.cc:
Likewise.
* testsuite/20_util/is_unbounded_array/value.cc: Likewise.
* testsuite/20_util/optional/assignment/92878_92947.cc:
Likewise.
* testsuite/20_util/optional/cons/92878_92947.cc: Likewise.
* testsuite/20_util/optional/constexpr/assign.cc: Likewise.
* testsuite/20_util/optional/constexpr/cons/conv.cc: Likewise.
* testsuite/20_util/optional/constexpr/modifiers.cc: Likewise.
* testsuite/20_util/optional/constexpr/swap.cc: Likewise.
* testsuite/20_util/optional/relops/96269.cc: Likewise.
* testsuite/20_util/optional/relops/three_way.cc: Likewise.
* testsuite/20_util/pair/comparison_operators/constexpr_c++20.cc:
Likewise.
* testsuite/20_util/pair/cons/92878_92947.cc: Likewise.
* testsuite/20_util/pair/constexpr_assign.cc: Likewise.
* testsuite/20_util/pair/constexpr_swap.cc: Likewise.
* testsuite/20_util/pair/requirements/structural.cc: Likewise.
* testsuite/20_util/pointer_traits/pointer_to_constexpr.cc:
Likewise.
* testsuite/20_util/polymorphic_allocator/allocate_object.cc:
Likewise.
* testsuite/20_util/polymorphic_allocator/construct_c++2a.cc:
Likewise.
* testsuite/20_util/polymorphic_allocator/lwg3237.cc: Likewise.
* testsuite/20_util/reference_wrapper/constexpr.cc: Likewise.
* testsuite/20_util/reference_wrapper/incomplete.cc: Likewise.
* testsuite/20_util/remove_cvref/requirements/alias_decl.cc:
Likewise.
* testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
Likewise.
* testsuite/20_util/remove_cvref/value.cc: Likewise.
* testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:
Likewise.
* testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
Likewise.
* testsuite/20_util/shared_ptr/casts/rval.cc: Likewise.
* testsuite/20_util/shared_ptr/comparison/cmp_c++20.cc:
Likewise.
* testsuite/20_util/shared_ptr/cons/alias-rval.cc: Likewise.
* testsuite/20_util/shared_ptr/creation/92878_92947.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/4.cc: Likewise.
* testsuite/20_util/time_point/comparison_operators/three_way.cc:
Likewise.
* testsuite/20_util/to_address/1.cc: Likewise.
* testsuite/20_util/to_address/1_neg.cc: Likewise.
* testsuite/20_util/to_address/debug.cc: Likewise.
* testsuite/20_util/to_address/lwg3545.cc: Likewise.
* testsuite/20_util/to_chars/compare.cc: Likewise.
* testsuite/20_util/tuple/comparison_operators/three_way.cc:
Likewise.
* testsuite/20_util/tuple/cons/102270.cc: Likewise.
* testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc:
Likewise.
* testsuite/20_util/tuple/constexpr_swap.cc: Likewise.
* testsuite/20_util/type_identity/requirements/alias_decl.cc:
Likewise.
* testsuite/20_util/type_identity/requirements/explicit_instantiation.cc:
Likewise.
* testsuite/20_util/type_identity/requirements/typedefs.cc:
Likewise.
* testsuite/20_util/typeindex/comparison_operators_c++20.cc:
Likewise.
* testsuite/20_util/unique_ptr/comparison/compare_c++20.cc:
Likewise.
* testsuite/20_util/unique_ptr/creation/92878_92947.cc:
Likewise.
* testsuite/20_util/unique_ptr/creation/for_overwrite.cc:
Likewise.
* testsuite/20_util/unique_ptr/creation/for_overwrite__neg.cc:
Likewise.
* testsuite/20_util/unique_ptr/io/lwg2948.cc: Likewise.
* testsuite/20_util/unwrap_reference/1.cc: Likewise.
* testsuite/20_util/unwrap_reference/2.cc: Likewise.
* testsuite/20_util/unwrap_reference/3.cc: Likewise.
* testsuite/20_util/uses_allocator/92878_92947.cc: Likewise.
* testsuite/20_util/uses_allocator/lwg3527.cc: Likewise.
* testsuite/20_util/uses_allocator/make_obj.cc: Likewise.
* testsuite/20_util/uses_allocator/uninitialized_construct.cc:
Likewise.
* testsuite/20_util/variant/92878_92947.cc: Likewise.
* testsuite/20_util/variant/95915.cc: Likewise.
* testsuite/20_util/variant/constexpr.cc: Likewise.
* testsuite/20_util/variant/relops/three_way.cc: Likewise.
* testsuite/20_util/variant/visit_neg.cc: Likewise.
* testsuite/20_util/variant/visit_r.cc: Likewise.
* testsuite/20_util/weak_ptr/atomic_weak_ptr.cc: Likewise.
---
libstdc++-v3/testsuite/20_util/allocator/105975.cc | 1 -
libstdc++-v3/testsuite/20_util/allocator/rebind_c++20.cc | 3 +--
.../testsuite/20_util/allocator/requirements/constexpr.cc | 1 -
.../20_util/allocator/requirements/typedefs_c++20.cc | 1 -
libstdc++-v3/testsuite/20_util/allocator_traits/header-2.cc | 1 -
libstdc++-v3/testsuite/20_util/allocator_traits/header.cc | 1 -
.../testsuite/20_util/allocator_traits/members/92878_92947.cc | 1 -
libstdc++-v3/testsuite/20_util/any/assign/92878_92947.cc | 3 +--
libstdc++-v3/testsuite/20_util/any/cons/92878_92947.cc | 3 +--
libstdc++-v3/testsuite/20_util/assume_aligned/1.cc | 4 ++--
libstdc++-v3/testsuite/20_util/assume_aligned/2_neg.cc | 3 +--
libstdc++-v3/testsuite/20_util/assume_aligned/3.cc | 4 ++--
libstdc++-v3/testsuite/20_util/assume_aligned/97132.cc | 3 +--
libstdc++-v3/testsuite/20_util/bind/constexpr.cc | 3 +--
libstdc++-v3/testsuite/20_util/bitset/operations/96303.cc | 4 ++--
libstdc++-v3/testsuite/20_util/common_reference/100894.cc | 1 -
.../20_util/common_reference/requirements/alias_decl.cc | 3 +--
.../common_reference/requirements/explicit_instantiation.cc | 3 +--
.../20_util/common_reference/requirements/typedefs.cc | 3 +--
.../20_util/duration/comparison_operators/three_way.cc | 3 +--
libstdc++-v3/testsuite/20_util/exchange/constexpr.cc | 3 +--
libstdc++-v3/testsuite/20_util/exchange/noexcept.cc | 3 +--
libstdc++-v3/testsuite/20_util/from_chars/1_c++20_neg.cc | 3 +--
libstdc++-v3/testsuite/20_util/from_chars/compare.cc | 3 +--
.../testsuite/20_util/function_objects/bind_front/1.cc | 3 +--
.../testsuite/20_util/function_objects/bind_front/107784.cc | 1 -
.../testsuite/20_util/function_objects/bind_front/111327.cc | 1 -
.../testsuite/20_util/function_objects/bind_front/2.cc | 3 +--
.../testsuite/20_util/function_objects/bind_front/97101.cc | 3 +--
.../20_util/function_objects/bind_front/constexpr.cc | 3 +--
.../testsuite/20_util/function_objects/constexpr_searcher.cc | 3 +--
libstdc++-v3/testsuite/20_util/function_objects/identity/1.cc | 3 +--
.../testsuite/20_util/function_objects/invoke/constexpr.cc | 3 +--
.../testsuite/20_util/function_objects/mem_fn/constexpr.cc | 3 +--
.../testsuite/20_util/function_objects/not_fn/constexpr.cc | 3 +--
libstdc++-v3/testsuite/20_util/integer_comparisons/1.cc | 3 +--
libstdc++-v3/testsuite/20_util/integer_comparisons/2.cc | 3 +--
libstdc++-v3/testsuite/20_util/integer_comparisons/equal.cc | 3 +--
.../testsuite/20_util/integer_comparisons/equal_neg.cc | 3 +--
libstdc++-v3/testsuite/20_util/integer_comparisons/greater.cc | 1 -
.../testsuite/20_util/integer_comparisons/greater_equal.cc | 3 +--
.../20_util/integer_comparisons/greater_equal_neg.cc | 3 +--
.../testsuite/20_util/integer_comparisons/greater_neg.cc | 3 +--
.../testsuite/20_util/integer_comparisons/in_range.cc | 3 +--
.../testsuite/20_util/integer_comparisons/in_range_neg.cc | 3 +--
libstdc++-v3/testsuite/20_util/integer_comparisons/less.cc | 3 +--
.../testsuite/20_util/integer_comparisons/less_equal.cc | 3 +--
.../testsuite/20_util/integer_comparisons/less_equal_neg.cc | 3 +--
.../testsuite/20_util/integer_comparisons/less_neg.cc | 3 +--
.../testsuite/20_util/integer_comparisons/not_equal.cc | 3 +--
.../testsuite/20_util/integer_comparisons/not_equal_neg.cc | 3 +--
.../is_bounded_array/requirements/explicit_instantiation.cc | 3 +--
.../20_util/is_bounded_array/requirements/typedefs.cc | 3 +--
libstdc++-v3/testsuite/20_util/is_bounded_array/value.cc | 3 +--
libstdc++-v3/testsuite/20_util/is_constant_evaluated/1.cc | 3 +--
.../testsuite/20_util/is_constant_evaluated/noexcept.cc | 3 +--
.../testsuite/20_util/is_constructible/92878_92947.cc | 3 +--
.../20_util/is_layout_compatible/is_corresponding_member.cc | 1 -
libstdc++-v3/testsuite/20_util/is_layout_compatible/value.cc | 1 -
.../testsuite/20_util/is_layout_compatible/version.cc | 1 -
.../testsuite/20_util/is_nothrow_constructible/value_c++20.cc | 3 +--
.../requirements/explicit_instantiation.cc | 3 +--
.../20_util/is_nothrow_convertible/requirements/typedefs.cc | 3 +--
.../testsuite/20_util/is_nothrow_convertible/value.cc | 3 +--
libstdc++-v3/testsuite/20_util/is_pod/deprecated-2a.cc | 3 +--
.../testsuite/20_util/is_pointer_interconvertible/value.cc | 1 -
.../testsuite/20_util/is_pointer_interconvertible/version.cc | 1 -
.../20_util/is_pointer_interconvertible/with_class.cc | 1 -
.../is_unbounded_array/requirements/explicit_instantiation.cc | 3 +--
.../20_util/is_unbounded_array/requirements/typedefs.cc | 3 +--
libstdc++-v3/testsuite/20_util/is_unbounded_array/value.cc | 3 +--
.../testsuite/20_util/optional/assignment/92878_92947.cc | 3 +--
libstdc++-v3/testsuite/20_util/optional/cons/92878_92947.cc | 3 +--
libstdc++-v3/testsuite/20_util/optional/constexpr/assign.cc | 1 -
.../testsuite/20_util/optional/constexpr/cons/conv.cc | 1 -
.../testsuite/20_util/optional/constexpr/modifiers.cc | 1 -
libstdc++-v3/testsuite/20_util/optional/constexpr/swap.cc | 1 -
libstdc++-v3/testsuite/20_util/optional/relops/96269.cc | 3 +--
libstdc++-v3/testsuite/20_util/optional/relops/three_way.cc | 1 -
.../20_util/pair/comparison_operators/constexpr_c++20.cc | 3 +--
libstdc++-v3/testsuite/20_util/pair/cons/92878_92947.cc | 3 +--
libstdc++-v3/testsuite/20_util/pair/constexpr_assign.cc | 3 +--
libstdc++-v3/testsuite/20_util/pair/constexpr_swap.cc | 3 +--
.../testsuite/20_util/pair/requirements/structural.cc | 1 -
.../testsuite/20_util/pointer_traits/pointer_to_constexpr.cc | 3 +--
.../20_util/polymorphic_allocator/allocate_object.cc | 3 +--
.../20_util/polymorphic_allocator/construct_c++2a.cc | 3 +--
.../testsuite/20_util/polymorphic_allocator/lwg3237.cc | 3 +--
libstdc++-v3/testsuite/20_util/reference_wrapper/constexpr.cc | 3 +--
.../testsuite/20_util/reference_wrapper/incomplete.cc | 3 +--
.../testsuite/20_util/remove_cvref/requirements/alias_decl.cc | 3 +--
.../remove_cvref/requirements/explicit_instantiation.cc | 3 +--
libstdc++-v3/testsuite/20_util/remove_cvref/value.cc | 3 +--
.../20_util/scoped_allocator/construct_pair_c++2a.cc | 3 +--
.../testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc | 1 -
libstdc++-v3/testsuite/20_util/shared_ptr/casts/rval.cc | 3 +--
.../testsuite/20_util/shared_ptr/comparison/cmp_c++20.cc | 3 +--
libstdc++-v3/testsuite/20_util/shared_ptr/cons/alias-rval.cc | 3 +--
.../testsuite/20_util/shared_ptr/creation/92878_92947.cc | 3 +--
libstdc++-v3/testsuite/20_util/shared_ptr/creation/array.cc | 1 -
.../testsuite/20_util/shared_ptr/creation/overwrite.cc | 2 +-
libstdc++-v3/testsuite/20_util/shared_ptr/creation/version.cc | 1 -
libstdc++-v3/testsuite/20_util/time_point/4.cc | 3 +--
.../20_util/time_point/comparison_operators/three_way.cc | 3 +--
libstdc++-v3/testsuite/20_util/to_address/1.cc | 3 +--
libstdc++-v3/testsuite/20_util/to_address/1_neg.cc | 3 +--
libstdc++-v3/testsuite/20_util/to_address/debug.cc | 3 +--
libstdc++-v3/testsuite/20_util/to_address/lwg3545.cc | 1 -
libstdc++-v3/testsuite/20_util/to_chars/compare.cc | 3 +--
.../testsuite/20_util/tuple/comparison_operators/three_way.cc | 3 +--
libstdc++-v3/testsuite/20_util/tuple/cons/102270.cc | 1 -
.../testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc | 3 +--
libstdc++-v3/testsuite/20_util/tuple/constexpr_swap.cc | 3 +--
.../20_util/type_identity/requirements/alias_decl.cc | 3 +--
.../type_identity/requirements/explicit_instantiation.cc | 3 +--
.../testsuite/20_util/type_identity/requirements/typedefs.cc | 3 +--
.../testsuite/20_util/typeindex/comparison_operators_c++20.cc | 3 +--
.../testsuite/20_util/unique_ptr/comparison/compare_c++20.cc | 3 +--
.../testsuite/20_util/unique_ptr/creation/92878_92947.cc | 3 +--
.../testsuite/20_util/unique_ptr/creation/for_overwrite.cc | 4 ++--
.../20_util/unique_ptr/creation/for_overwrite__neg.cc | 3 +--
libstdc++-v3/testsuite/20_util/unique_ptr/io/lwg2948.cc | 3 +--
libstdc++-v3/testsuite/20_util/unwrap_reference/1.cc | 3 +--
libstdc++-v3/testsuite/20_util/unwrap_reference/2.cc | 3 +--
libstdc++-v3/testsuite/20_util/unwrap_reference/3.cc | 3 +--
libstdc++-v3/testsuite/20_util/uses_allocator/92878_92947.cc | 3 +--
libstdc++-v3/testsuite/20_util/uses_allocator/lwg3527.cc | 1 -
libstdc++-v3/testsuite/20_util/uses_allocator/make_obj.cc | 3 +--
.../20_util/uses_allocator/uninitialized_construct.cc | 1 -
libstdc++-v3/testsuite/20_util/variant/92878_92947.cc | 3 +--
libstdc++-v3/testsuite/20_util/variant/95915.cc | 1 -
libstdc++-v3/testsuite/20_util/variant/constexpr.cc | 1 -
libstdc++-v3/testsuite/20_util/variant/relops/three_way.cc | 3 +--
libstdc++-v3/testsuite/20_util/variant/visit_neg.cc | 3 +--
libstdc++-v3/testsuite/20_util/variant/visit_r.cc | 3 +--
libstdc++-v3/testsuite/20_util/weak_ptr/atomic_weak_ptr.cc | 1 -
136 files changed, 108 insertions(+), 239 deletions(-)
diff --git a/libstdc++-v3/testsuite/20_util/allocator/105975.cc b/libstdc++-v3/testsuite/20_util/allocator/105975.cc
index 09f27ba86e37..4866ae6baf9d 100644
--- a/libstdc++-v3/testsuite/20_util/allocator/105975.cc
+++ b/libstdc++-v3/testsuite/20_util/allocator/105975.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
// { dg-require-effective-target hosted }
diff --git a/libstdc++-v3/testsuite/20_util/allocator/rebind_c++20.cc b/libstdc++-v3/testsuite/20_util/allocator/rebind_c++20.cc
index bacd124b6ba1..b26fa6fb37b8 100644
--- a/libstdc++-v3/testsuite/20_util/allocator/rebind_c++20.cc
+++ b/libstdc++-v3/testsuite/20_util/allocator/rebind_c++20.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// { dg-require-effective-target hosted }
#include <memory>
diff --git a/libstdc++-v3/testsuite/20_util/allocator/requirements/constexpr.cc b/libstdc++-v3/testsuite/20_util/allocator/requirements/constexpr.cc
index c7a8e2715675..2102c57a79a8 100644
--- a/libstdc++-v3/testsuite/20_util/allocator/requirements/constexpr.cc
+++ b/libstdc++-v3/testsuite/20_util/allocator/requirements/constexpr.cc
@@ -15,7 +15,6 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
// { dg-require-effective-target hosted }
diff --git a/libstdc++-v3/testsuite/20_util/allocator/requirements/typedefs_c++20.cc b/libstdc++-v3/testsuite/20_util/allocator/requirements/typedefs_c++20.cc
index dc191411a812..f7b1e207f7c0 100644
--- a/libstdc++-v3/testsuite/20_util/allocator/requirements/typedefs_c++20.cc
+++ b/libstdc++-v3/testsuite/20_util/allocator/requirements/typedefs_c++20.cc
@@ -15,7 +15,6 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
// { dg-require-effective-target hosted }
diff --git a/libstdc++-v3/testsuite/20_util/allocator_traits/header-2.cc b/libstdc++-v3/testsuite/20_util/allocator_traits/header-2.cc
index 8ba0c9405ed6..9393d8a885d1 100644
--- a/libstdc++-v3/testsuite/20_util/allocator_traits/header-2.cc
+++ b/libstdc++-v3/testsuite/20_util/allocator_traits/header-2.cc
@@ -15,7 +15,6 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
// { dg-require-effective-target hosted }
diff --git a/libstdc++-v3/testsuite/20_util/allocator_traits/header.cc b/libstdc++-v3/testsuite/20_util/allocator_traits/header.cc
index f500f747e793..4a88abaadb73 100644
--- a/libstdc++-v3/testsuite/20_util/allocator_traits/header.cc
+++ b/libstdc++-v3/testsuite/20_util/allocator_traits/header.cc
@@ -15,7 +15,6 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
// { dg-require-effective-target hosted }
diff --git a/libstdc++-v3/testsuite/20_util/allocator_traits/members/92878_92947.cc b/libstdc++-v3/testsuite/20_util/allocator_traits/members/92878_92947.cc
index 6e3bb5443633..794138aea0cf 100644
--- a/libstdc++-v3/testsuite/20_util/allocator_traits/members/92878_92947.cc
+++ b/libstdc++-v3/testsuite/20_util/allocator_traits/members/92878_92947.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do run { target c++20 } }
// { dg-require-effective-target hosted }
diff --git a/libstdc++-v3/testsuite/20_util/any/assign/92878_92947.cc b/libstdc++-v3/testsuite/20_util/any/assign/92878_92947.cc
index cf4cffeea2e5..5a6122ed1d16 100644
--- a/libstdc++-v3/testsuite/20_util/any/assign/92878_92947.cc
+++ b/libstdc++-v3/testsuite/20_util/any/assign/92878_92947.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
diff --git a/libstdc++-v3/testsuite/20_util/any/cons/92878_92947.cc b/libstdc++-v3/testsuite/20_util/any/cons/92878_92947.cc
index 76d11eca45cf..eebd7ec93477 100644
--- a/libstdc++-v3/testsuite/20_util/any/cons/92878_92947.cc
+++ b/libstdc++-v3/testsuite/20_util/any/cons/92878_92947.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/assume_aligned/1.cc b/libstdc++-v3/testsuite/20_util/assume_aligned/1.cc
index 0272541d73a7..d13144427bb5 100644
--- a/libstdc++-v3/testsuite/20_util/assume_aligned/1.cc
+++ b/libstdc++-v3/testsuite/20_util/assume_aligned/1.cc
@@ -15,8 +15,8 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a -O2" }
-// { dg-do run { target c++2a } }
+// { dg-options "-O2" }
+// { dg-do run { target c++20 } }
#include <memory>
#include <cstdint>
diff --git a/libstdc++-v3/testsuite/20_util/assume_aligned/2_neg.cc b/libstdc++-v3/testsuite/20_util/assume_aligned/2_neg.cc
index 4cd83711969f..82a7bd6e37ea 100644
--- a/libstdc++-v3/testsuite/20_util/assume_aligned/2_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/assume_aligned/2_neg.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <memory>
diff --git a/libstdc++-v3/testsuite/20_util/assume_aligned/3.cc b/libstdc++-v3/testsuite/20_util/assume_aligned/3.cc
index 7bd60fb66748..4337dae7d4b5 100644
--- a/libstdc++-v3/testsuite/20_util/assume_aligned/3.cc
+++ b/libstdc++-v3/testsuite/20_util/assume_aligned/3.cc
@@ -15,8 +15,8 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a -O2 -g0" }
-// { dg-do compile { target c++2a } }
+// { dg-options "-O2 -g0" }
+// { dg-do compile { target c++20 } }
// { dg-final { scan-assembler-not "undefined" } }
#include <memory>
diff --git a/libstdc++-v3/testsuite/20_util/assume_aligned/97132.cc b/libstdc++-v3/testsuite/20_util/assume_aligned/97132.cc
index c9285813129a..2c8b33b60a76 100644
--- a/libstdc++-v3/testsuite/20_util/assume_aligned/97132.cc
+++ b/libstdc++-v3/testsuite/20_util/assume_aligned/97132.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <memory>
diff --git a/libstdc++-v3/testsuite/20_util/bind/constexpr.cc b/libstdc++-v3/testsuite/20_util/bind/constexpr.cc
index 483c7abfd4f0..1a1ecfe2456b 100644
--- a/libstdc++-v3/testsuite/20_util/bind/constexpr.cc
+++ b/libstdc++-v3/testsuite/20_util/bind/constexpr.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <functional>
diff --git a/libstdc++-v3/testsuite/20_util/bitset/operations/96303.cc b/libstdc++-v3/testsuite/20_util/bitset/operations/96303.cc
index 13209e734885..04ec2e7d522b 100644
--- a/libstdc++-v3/testsuite/20_util/bitset/operations/96303.cc
+++ b/libstdc++-v3/testsuite/20_util/bitset/operations/96303.cc
@@ -15,8 +15,8 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a -pedantic" }
-// { dg-do compile { target c++2a } }
+// { dg-options "-pedantic" }
+// { dg-do compile { target c++20 } }
// { dg-require-effective-target hosted }
diff --git a/libstdc++-v3/testsuite/20_util/common_reference/100894.cc b/libstdc++-v3/testsuite/20_util/common_reference/100894.cc
index 5e1447680026..d81b960eaf37 100644
--- a/libstdc++-v3/testsuite/20_util/common_reference/100894.cc
+++ b/libstdc++-v3/testsuite/20_util/common_reference/100894.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
// PR libstdc++/100894 - common_reference implementation seems to be wrong
diff --git a/libstdc++-v3/testsuite/20_util/common_reference/requirements/alias_decl.cc b/libstdc++-v3/testsuite/20_util/common_reference/requirements/alias_decl.cc
index caaa942ce714..83ba7c983c5d 100644
--- a/libstdc++-v3/testsuite/20_util/common_reference/requirements/alias_decl.cc
+++ b/libstdc++-v3/testsuite/20_util/common_reference/requirements/alias_decl.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <type_traits>
diff --git a/libstdc++-v3/testsuite/20_util/common_reference/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/20_util/common_reference/requirements/explicit_instantiation.cc
index e1d93cedd449..4c411c5e8ec6 100644
--- a/libstdc++-v3/testsuite/20_util/common_reference/requirements/explicit_instantiation.cc
+++ b/libstdc++-v3/testsuite/20_util/common_reference/requirements/explicit_instantiation.cc
@@ -17,8 +17,7 @@
// NB: This file is for testing type_traits with NO OTHER INCLUDES.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <type_traits>
diff --git a/libstdc++-v3/testsuite/20_util/common_reference/requirements/typedefs.cc b/libstdc++-v3/testsuite/20_util/common_reference/requirements/typedefs.cc
index 9cb8cfd34977..ac630c39963b 100644
--- a/libstdc++-v3/testsuite/20_util/common_reference/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/20_util/common_reference/requirements/typedefs.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <type_traits>
diff --git a/libstdc++-v3/testsuite/20_util/duration/comparison_operators/three_way.cc b/libstdc++-v3/testsuite/20_util/duration/comparison_operators/three_way.cc
index 92993a743e57..0e268ef02b3e 100644
--- a/libstdc++-v3/testsuite/20_util/duration/comparison_operators/three_way.cc
+++ b/libstdc++-v3/testsuite/20_util/duration/comparison_operators/three_way.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/exchange/constexpr.cc b/libstdc++-v3/testsuite/20_util/exchange/constexpr.cc
index 2ec130446813..2a7d79201b16 100644
--- a/libstdc++-v3/testsuite/20_util/exchange/constexpr.cc
+++ b/libstdc++-v3/testsuite/20_util/exchange/constexpr.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/exchange/noexcept.cc b/libstdc++-v3/testsuite/20_util/exchange/noexcept.cc
index 6363a4d4c06f..7e39a428d82c 100644
--- a/libstdc++-v3/testsuite/20_util/exchange/noexcept.cc
+++ b/libstdc++-v3/testsuite/20_util/exchange/noexcept.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/from_chars/1_c++20_neg.cc b/libstdc++-v3/testsuite/20_util/from_chars/1_c++20_neg.cc
index 5f94a1b121e1..04d9ba6e74ae 100644
--- a/libstdc++-v3/testsuite/20_util/from_chars/1_c++20_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/from_chars/1_c++20_neg.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <charconv>
diff --git a/libstdc++-v3/testsuite/20_util/from_chars/compare.cc b/libstdc++-v3/testsuite/20_util/from_chars/compare.cc
index 31a5c6934e82..8e728f200f28 100644
--- a/libstdc++-v3/testsuite/20_util/from_chars/compare.cc
+++ b/libstdc++-v3/testsuite/20_util/from_chars/compare.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <charconv>
#include <testsuite_hooks.h>
diff --git a/libstdc++-v3/testsuite/20_util/function_objects/bind_front/1.cc b/libstdc++-v3/testsuite/20_util/function_objects/bind_front/1.cc
index 3aacf06a4f36..8a8c11a79c2e 100644
--- a/libstdc++-v3/testsuite/20_util/function_objects/bind_front/1.cc
+++ b/libstdc++-v3/testsuite/20_util/function_objects/bind_front/1.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <functional>
#include <testsuite_hooks.h>
diff --git a/libstdc++-v3/testsuite/20_util/function_objects/bind_front/107784.cc b/libstdc++-v3/testsuite/20_util/function_objects/bind_front/107784.cc
index f1f8cee45094..e8b4526735cd 100644
--- a/libstdc++-v3/testsuite/20_util/function_objects/bind_front/107784.cc
+++ b/libstdc++-v3/testsuite/20_util/function_objects/bind_front/107784.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <functional>
diff --git a/libstdc++-v3/testsuite/20_util/function_objects/bind_front/111327.cc b/libstdc++-v3/testsuite/20_util/function_objects/bind_front/111327.cc
index fcfb9f9c7c02..43b56ca4378d 100644
--- a/libstdc++-v3/testsuite/20_util/function_objects/bind_front/111327.cc
+++ b/libstdc++-v3/testsuite/20_util/function_objects/bind_front/111327.cc
@@ -1,6 +1,5 @@
// PR libstdc++/111327 - std::bind_front (and std::not_fn) doesn't always
// perfectly forward according to value category of the call wrapper object
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <functional>
diff --git a/libstdc++-v3/testsuite/20_util/function_objects/bind_front/2.cc b/libstdc++-v3/testsuite/20_util/function_objects/bind_front/2.cc
index 745a62d5925c..0ea892612f66 100644
--- a/libstdc++-v3/testsuite/20_util/function_objects/bind_front/2.cc
+++ b/libstdc++-v3/testsuite/20_util/function_objects/bind_front/2.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <functional>
#include <memory>
diff --git a/libstdc++-v3/testsuite/20_util/function_objects/bind_front/97101.cc b/libstdc++-v3/testsuite/20_util/function_objects/bind_front/97101.cc
index 6880a31f3029..98eab166ce2e 100644
--- a/libstdc++-v3/testsuite/20_util/function_objects/bind_front/97101.cc
+++ b/libstdc++-v3/testsuite/20_util/function_objects/bind_front/97101.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <functional>
diff --git a/libstdc++-v3/testsuite/20_util/function_objects/bind_front/constexpr.cc b/libstdc++-v3/testsuite/20_util/function_objects/bind_front/constexpr.cc
index 3d0d983a177c..ef71b91ea740 100644
--- a/libstdc++-v3/testsuite/20_util/function_objects/bind_front/constexpr.cc
+++ b/libstdc++-v3/testsuite/20_util/function_objects/bind_front/constexpr.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <functional>
diff --git a/libstdc++-v3/testsuite/20_util/function_objects/constexpr_searcher.cc b/libstdc++-v3/testsuite/20_util/function_objects/constexpr_searcher.cc
index dbe13818ab14..aa1e23b75d79 100644
--- a/libstdc++-v3/testsuite/20_util/function_objects/constexpr_searcher.cc
+++ b/libstdc++-v3/testsuite/20_util/function_objects/constexpr_searcher.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <functional>
diff --git a/libstdc++-v3/testsuite/20_util/function_objects/identity/1.cc b/libstdc++-v3/testsuite/20_util/function_objects/identity/1.cc
index 443c607e1c97..f300869904a8 100644
--- a/libstdc++-v3/testsuite/20_util/function_objects/identity/1.cc
+++ b/libstdc++-v3/testsuite/20_util/function_objects/identity/1.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <functional>
diff --git a/libstdc++-v3/testsuite/20_util/function_objects/invoke/constexpr.cc b/libstdc++-v3/testsuite/20_util/function_objects/invoke/constexpr.cc
index b039a6f678ce..122e2116f1a4 100644
--- a/libstdc++-v3/testsuite/20_util/function_objects/invoke/constexpr.cc
+++ b/libstdc++-v3/testsuite/20_util/function_objects/invoke/constexpr.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <functional>
diff --git a/libstdc++-v3/testsuite/20_util/function_objects/mem_fn/constexpr.cc b/libstdc++-v3/testsuite/20_util/function_objects/mem_fn/constexpr.cc
index 005558d76863..9da0dbd15955 100644
--- a/libstdc++-v3/testsuite/20_util/function_objects/mem_fn/constexpr.cc
+++ b/libstdc++-v3/testsuite/20_util/function_objects/mem_fn/constexpr.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <functional>
diff --git a/libstdc++-v3/testsuite/20_util/function_objects/not_fn/constexpr.cc b/libstdc++-v3/testsuite/20_util/function_objects/not_fn/constexpr.cc
index 1ebfd17f0391..5ec139a51bb7 100644
--- a/libstdc++-v3/testsuite/20_util/function_objects/not_fn/constexpr.cc
+++ b/libstdc++-v3/testsuite/20_util/function_objects/not_fn/constexpr.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <functional>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/1.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/1.cc
index c000fcbaca52..245fec96315e 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/1.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/1.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do preprocess { target c++2a } }
+// { dg-do preprocess { target c++20 } }
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/2.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/2.cc
index 856ee5fb17ee..3e2bf573c0b9 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/2.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/2.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do preprocess { target c++2a } }
+// { dg-do preprocess { target c++20 } }
#include <version>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/equal.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/equal.cc
index b78b9f899ce3..259c7a708285 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/equal.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/equal.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <utility>
#include <limits>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/equal_neg.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/equal_neg.cc
index 9de63b676bc5..bbecbb4817a2 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/equal_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/equal_neg.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/greater.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/greater.cc
index e564d8d03f28..c764d68b9a93 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/greater.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/greater.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do run { target c++20 } }
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/greater_equal.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/greater_equal.cc
index 5d943a9ab69e..0028eea6bf37 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/greater_equal.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/greater_equal.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <utility>
#include <limits>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/greater_equal_neg.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/greater_equal_neg.cc
index 1a6bc52e1490..b3e4bece80b1 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/greater_equal_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/greater_equal_neg.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/greater_neg.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/greater_neg.cc
index d70977503077..fb064cf1c834 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/greater_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/greater_neg.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/in_range.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/in_range.cc
index 78af767bca2c..b2c632008afe 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/in_range.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/in_range.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <utility>
#include <limits>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/in_range_neg.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/in_range_neg.cc
index 173f9016f4a2..da85a56f7603 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/in_range_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/in_range_neg.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/less.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/less.cc
index b8ac73c979cc..0087e7bd540f 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/less.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/less.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <utility>
#include <limits>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/less_equal.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/less_equal.cc
index 301d8cd84c23..ee2ea8455fc6 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/less_equal.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/less_equal.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <utility>
#include <limits>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/less_equal_neg.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/less_equal_neg.cc
index 3d83f2ee6072..c3d275fb10f3 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/less_equal_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/less_equal_neg.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/less_neg.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/less_neg.cc
index 6dcfda4ead77..8e58e4a035bd 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/less_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/less_neg.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/not_equal.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/not_equal.cc
index afe2e125071d..0c658d2085d9 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/not_equal.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/not_equal.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <utility>
#include <limits>
diff --git a/libstdc++-v3/testsuite/20_util/integer_comparisons/not_equal_neg.cc b/libstdc++-v3/testsuite/20_util/integer_comparisons/not_equal_neg.cc
index 9de63b676bc5..bbecbb4817a2 100644
--- a/libstdc++-v3/testsuite/20_util/integer_comparisons/not_equal_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/integer_comparisons/not_equal_neg.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/is_bounded_array/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/20_util/is_bounded_array/requirements/explicit_instantiation.cc
index f2a70f9a5459..b3a92719bd0b 100644
--- a/libstdc++-v3/testsuite/20_util/is_bounded_array/requirements/explicit_instantiation.cc
+++ b/libstdc++-v3/testsuite/20_util/is_bounded_array/requirements/explicit_instantiation.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2019-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/is_bounded_array/requirements/typedefs.cc b/libstdc++-v3/testsuite/20_util/is_bounded_array/requirements/typedefs.cc
index fe2876124fb1..6d77e3d19efe 100644
--- a/libstdc++-v3/testsuite/20_util/is_bounded_array/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/20_util/is_bounded_array/requirements/typedefs.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2019-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/is_bounded_array/value.cc b/libstdc++-v3/testsuite/20_util/is_bounded_array/value.cc
index 32ed5f18221d..dd417cf6a2a4 100644
--- a/libstdc++-v3/testsuite/20_util/is_bounded_array/value.cc
+++ b/libstdc++-v3/testsuite/20_util/is_bounded_array/value.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2019-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/is_constant_evaluated/1.cc b/libstdc++-v3/testsuite/20_util/is_constant_evaluated/1.cc
index a8e115f67f2d..684f7d55bc0d 100644
--- a/libstdc++-v3/testsuite/20_util/is_constant_evaluated/1.cc
+++ b/libstdc++-v3/testsuite/20_util/is_constant_evaluated/1.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <type_traits>
#include <testsuite_hooks.h>
diff --git a/libstdc++-v3/testsuite/20_util/is_constant_evaluated/noexcept.cc b/libstdc++-v3/testsuite/20_util/is_constant_evaluated/noexcept.cc
index 2b9cd85fbf37..597317303d8e 100644
--- a/libstdc++-v3/testsuite/20_util/is_constant_evaluated/noexcept.cc
+++ b/libstdc++-v3/testsuite/20_util/is_constant_evaluated/noexcept.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2018-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/is_constructible/92878_92947.cc b/libstdc++-v3/testsuite/20_util/is_constructible/92878_92947.cc
index 9841d65ab7d0..e45cc58dc847 100644
--- a/libstdc++-v3/testsuite/20_util/is_constructible/92878_92947.cc
+++ b/libstdc++-v3/testsuite/20_util/is_constructible/92878_92947.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/is_layout_compatible/is_corresponding_member.cc b/libstdc++-v3/testsuite/20_util/is_layout_compatible/is_corresponding_member.cc
index 69b359aa1d57..8969a1d03071 100644
--- a/libstdc++-v3/testsuite/20_util/is_layout_compatible/is_corresponding_member.cc
+++ b/libstdc++-v3/testsuite/20_util/is_layout_compatible/is_corresponding_member.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <type_traits>
diff --git a/libstdc++-v3/testsuite/20_util/is_layout_compatible/value.cc b/libstdc++-v3/testsuite/20_util/is_layout_compatible/value.cc
index 7686b34fc5a4..6232f6ac6713 100644
--- a/libstdc++-v3/testsuite/20_util/is_layout_compatible/value.cc
+++ b/libstdc++-v3/testsuite/20_util/is_layout_compatible/value.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <type_traits>
diff --git a/libstdc++-v3/testsuite/20_util/is_layout_compatible/version.cc b/libstdc++-v3/testsuite/20_util/is_layout_compatible/version.cc
index 3b2a8e1620f1..be6079d6b5e9 100644
--- a/libstdc++-v3/testsuite/20_util/is_layout_compatible/version.cc
+++ b/libstdc++-v3/testsuite/20_util/is_layout_compatible/version.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <version>
diff --git a/libstdc++-v3/testsuite/20_util/is_nothrow_constructible/value_c++20.cc b/libstdc++-v3/testsuite/20_util/is_nothrow_constructible/value_c++20.cc
index 46fea72cbfe9..1137738e543e 100644
--- a/libstdc++-v3/testsuite/20_util/is_nothrow_constructible/value_c++20.cc
+++ b/libstdc++-v3/testsuite/20_util/is_nothrow_constructible/value_c++20.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/is_nothrow_convertible/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/20_util/is_nothrow_convertible/requirements/explicit_instantiation.cc
index f6bb7624f2bf..9b6594d524b0 100644
--- a/libstdc++-v3/testsuite/20_util/is_nothrow_convertible/requirements/explicit_instantiation.cc
+++ b/libstdc++-v3/testsuite/20_util/is_nothrow_convertible/requirements/explicit_instantiation.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// NB: This file is for testing type_traits with NO OTHER INCLUDES.
diff --git a/libstdc++-v3/testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc b/libstdc++-v3/testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc
index 6b42423c4955..865ec04f7fe2 100644
--- a/libstdc++-v3/testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// NB: This file is for testing type_traits with NO OTHER INCLUDES.
diff --git a/libstdc++-v3/testsuite/20_util/is_nothrow_convertible/value.cc b/libstdc++-v3/testsuite/20_util/is_nothrow_convertible/value.cc
index 45f8f518e221..eec4f7f1001d 100644
--- a/libstdc++-v3/testsuite/20_util/is_nothrow_convertible/value.cc
+++ b/libstdc++-v3/testsuite/20_util/is_nothrow_convertible/value.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <type_traits>
#include <testsuite_tr1.h>
diff --git a/libstdc++-v3/testsuite/20_util/is_pod/deprecated-2a.cc b/libstdc++-v3/testsuite/20_util/is_pod/deprecated-2a.cc
index 7eb4562f653d..cfb943322e65 100644
--- a/libstdc++-v3/testsuite/20_util/is_pod/deprecated-2a.cc
+++ b/libstdc++-v3/testsuite/20_util/is_pod/deprecated-2a.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <type_traits>
diff --git a/libstdc++-v3/testsuite/20_util/is_pointer_interconvertible/value.cc b/libstdc++-v3/testsuite/20_util/is_pointer_interconvertible/value.cc
index 471571cac584..fb4652d932db 100644
--- a/libstdc++-v3/testsuite/20_util/is_pointer_interconvertible/value.cc
+++ b/libstdc++-v3/testsuite/20_util/is_pointer_interconvertible/value.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <type_traits>
diff --git a/libstdc++-v3/testsuite/20_util/is_pointer_interconvertible/version.cc b/libstdc++-v3/testsuite/20_util/is_pointer_interconvertible/version.cc
index 138c4be9f935..82882237e9d0 100644
--- a/libstdc++-v3/testsuite/20_util/is_pointer_interconvertible/version.cc
+++ b/libstdc++-v3/testsuite/20_util/is_pointer_interconvertible/version.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <version>
diff --git a/libstdc++-v3/testsuite/20_util/is_pointer_interconvertible/with_class.cc b/libstdc++-v3/testsuite/20_util/is_pointer_interconvertible/with_class.cc
index 28de9b416fc3..bb20d1ba47d1 100644
--- a/libstdc++-v3/testsuite/20_util/is_pointer_interconvertible/with_class.cc
+++ b/libstdc++-v3/testsuite/20_util/is_pointer_interconvertible/with_class.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <type_traits>
diff --git a/libstdc++-v3/testsuite/20_util/is_unbounded_array/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/20_util/is_unbounded_array/requirements/explicit_instantiation.cc
index c65849561884..0594ba406da8 100644
--- a/libstdc++-v3/testsuite/20_util/is_unbounded_array/requirements/explicit_instantiation.cc
+++ b/libstdc++-v3/testsuite/20_util/is_unbounded_array/requirements/explicit_instantiation.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2019-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/is_unbounded_array/requirements/typedefs.cc b/libstdc++-v3/testsuite/20_util/is_unbounded_array/requirements/typedefs.cc
index fe2876124fb1..6d77e3d19efe 100644
--- a/libstdc++-v3/testsuite/20_util/is_unbounded_array/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/20_util/is_unbounded_array/requirements/typedefs.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2019-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/is_unbounded_array/value.cc b/libstdc++-v3/testsuite/20_util/is_unbounded_array/value.cc
index 9369fa962a2c..495e1e9d89e6 100644
--- a/libstdc++-v3/testsuite/20_util/is_unbounded_array/value.cc
+++ b/libstdc++-v3/testsuite/20_util/is_unbounded_array/value.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2019-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/optional/assignment/92878_92947.cc b/libstdc++-v3/testsuite/20_util/optional/assignment/92878_92947.cc
index a0c650d8a226..b673cb377c64 100644
--- a/libstdc++-v3/testsuite/20_util/optional/assignment/92878_92947.cc
+++ b/libstdc++-v3/testsuite/20_util/optional/assignment/92878_92947.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/optional/cons/92878_92947.cc b/libstdc++-v3/testsuite/20_util/optional/cons/92878_92947.cc
index 0345a1ae95cf..2aa0fe54371d 100644
--- a/libstdc++-v3/testsuite/20_util/optional/cons/92878_92947.cc
+++ b/libstdc++-v3/testsuite/20_util/optional/cons/92878_92947.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/optional/constexpr/assign.cc b/libstdc++-v3/testsuite/20_util/optional/constexpr/assign.cc
index fb82233052d4..f9086f70a9a9 100644
--- a/libstdc++-v3/testsuite/20_util/optional/constexpr/assign.cc
+++ b/libstdc++-v3/testsuite/20_util/optional/constexpr/assign.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <optional>
diff --git a/libstdc++-v3/testsuite/20_util/optional/constexpr/cons/conv.cc b/libstdc++-v3/testsuite/20_util/optional/constexpr/cons/conv.cc
index cc638148d25e..3c1d357b1f3a 100644
--- a/libstdc++-v3/testsuite/20_util/optional/constexpr/cons/conv.cc
+++ b/libstdc++-v3/testsuite/20_util/optional/constexpr/cons/conv.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <optional>
diff --git a/libstdc++-v3/testsuite/20_util/optional/constexpr/modifiers.cc b/libstdc++-v3/testsuite/20_util/optional/constexpr/modifiers.cc
index 614607d0216d..eea0df2cfe25 100644
--- a/libstdc++-v3/testsuite/20_util/optional/constexpr/modifiers.cc
+++ b/libstdc++-v3/testsuite/20_util/optional/constexpr/modifiers.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <optional>
diff --git a/libstdc++-v3/testsuite/20_util/optional/constexpr/swap.cc b/libstdc++-v3/testsuite/20_util/optional/constexpr/swap.cc
index 2d18a51106c5..57f5cd20bdb8 100644
--- a/libstdc++-v3/testsuite/20_util/optional/constexpr/swap.cc
+++ b/libstdc++-v3/testsuite/20_util/optional/constexpr/swap.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <optional>
diff --git a/libstdc++-v3/testsuite/20_util/optional/relops/96269.cc b/libstdc++-v3/testsuite/20_util/optional/relops/96269.cc
index f0a8f2f275bd..ddb4be30fd76 100644
--- a/libstdc++-v3/testsuite/20_util/optional/relops/96269.cc
+++ b/libstdc++-v3/testsuite/20_util/optional/relops/96269.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <optional>
diff --git a/libstdc++-v3/testsuite/20_util/optional/relops/three_way.cc b/libstdc++-v3/testsuite/20_util/optional/relops/three_way.cc
index 8ee624d46805..6fd7024595c5 100644
--- a/libstdc++-v3/testsuite/20_util/optional/relops/three_way.cc
+++ b/libstdc++-v3/testsuite/20_util/optional/relops/three_way.cc
@@ -15,7 +15,6 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <optional>
diff --git a/libstdc++-v3/testsuite/20_util/pair/comparison_operators/constexpr_c++20.cc b/libstdc++-v3/testsuite/20_util/pair/comparison_operators/constexpr_c++20.cc
index 2c6e20a43a24..12feacad7902 100644
--- a/libstdc++-v3/testsuite/20_util/pair/comparison_operators/constexpr_c++20.cc
+++ b/libstdc++-v3/testsuite/20_util/pair/comparison_operators/constexpr_c++20.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2019-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/pair/cons/92878_92947.cc b/libstdc++-v3/testsuite/20_util/pair/cons/92878_92947.cc
index c423ac2c3026..706ce1ab227d 100644
--- a/libstdc++-v3/testsuite/20_util/pair/cons/92878_92947.cc
+++ b/libstdc++-v3/testsuite/20_util/pair/cons/92878_92947.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/pair/constexpr_assign.cc b/libstdc++-v3/testsuite/20_util/pair/constexpr_assign.cc
index 923c019fbc5d..9509180f23a6 100644
--- a/libstdc++-v3/testsuite/20_util/pair/constexpr_assign.cc
+++ b/libstdc++-v3/testsuite/20_util/pair/constexpr_assign.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <utility>
#include <tuple>
diff --git a/libstdc++-v3/testsuite/20_util/pair/constexpr_swap.cc b/libstdc++-v3/testsuite/20_util/pair/constexpr_swap.cc
index 5ef264e92c04..5f2242ca4a86 100644
--- a/libstdc++-v3/testsuite/20_util/pair/constexpr_swap.cc
+++ b/libstdc++-v3/testsuite/20_util/pair/constexpr_swap.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <utility>
#include <tuple>
diff --git a/libstdc++-v3/testsuite/20_util/pair/requirements/structural.cc b/libstdc++-v3/testsuite/20_util/pair/requirements/structural.cc
index d4df20197eef..75ae4f6e3ccb 100644
--- a/libstdc++-v3/testsuite/20_util/pair/requirements/structural.cc
+++ b/libstdc++-v3/testsuite/20_util/pair/requirements/structural.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/pointer_traits/pointer_to_constexpr.cc b/libstdc++-v3/testsuite/20_util/pointer_traits/pointer_to_constexpr.cc
index 197de1277947..f5c90761d573 100644
--- a/libstdc++-v3/testsuite/20_util/pointer_traits/pointer_to_constexpr.cc
+++ b/libstdc++-v3/testsuite/20_util/pointer_traits/pointer_to_constexpr.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <memory>
diff --git a/libstdc++-v3/testsuite/20_util/polymorphic_allocator/allocate_object.cc b/libstdc++-v3/testsuite/20_util/polymorphic_allocator/allocate_object.cc
index c395b8cda36b..54f1004b4f3d 100644
--- a/libstdc++-v3/testsuite/20_util/polymorphic_allocator/allocate_object.cc
+++ b/libstdc++-v3/testsuite/20_util/polymorphic_allocator/allocate_object.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <memory_resource>
#include <cstring>
diff --git a/libstdc++-v3/testsuite/20_util/polymorphic_allocator/construct_c++2a.cc b/libstdc++-v3/testsuite/20_util/polymorphic_allocator/construct_c++2a.cc
index bf8d4687d2e8..5b5accc3240f 100644
--- a/libstdc++-v3/testsuite/20_util/polymorphic_allocator/construct_c++2a.cc
+++ b/libstdc++-v3/testsuite/20_util/polymorphic_allocator/construct_c++2a.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <memory_resource>
#include <utility>
diff --git a/libstdc++-v3/testsuite/20_util/polymorphic_allocator/lwg3237.cc b/libstdc++-v3/testsuite/20_util/polymorphic_allocator/lwg3237.cc
index aa399b5ede76..3239d5af05c7 100644
--- a/libstdc++-v3/testsuite/20_util/polymorphic_allocator/lwg3237.cc
+++ b/libstdc++-v3/testsuite/20_util/polymorphic_allocator/lwg3237.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <memory_resource>
#include <testsuite_hooks.h>
diff --git a/libstdc++-v3/testsuite/20_util/reference_wrapper/constexpr.cc b/libstdc++-v3/testsuite/20_util/reference_wrapper/constexpr.cc
index 271e9e4d6071..2d97635a9b4b 100644
--- a/libstdc++-v3/testsuite/20_util/reference_wrapper/constexpr.cc
+++ b/libstdc++-v3/testsuite/20_util/reference_wrapper/constexpr.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <functional>
diff --git a/libstdc++-v3/testsuite/20_util/reference_wrapper/incomplete.cc b/libstdc++-v3/testsuite/20_util/reference_wrapper/incomplete.cc
index d00e2c3b2ea9..4e82d3ea9de1 100644
--- a/libstdc++-v3/testsuite/20_util/reference_wrapper/incomplete.cc
+++ b/libstdc++-v3/testsuite/20_util/reference_wrapper/incomplete.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// P0357R3 reference_wrapper for incomplete types
diff --git a/libstdc++-v3/testsuite/20_util/remove_cvref/requirements/alias_decl.cc b/libstdc++-v3/testsuite/20_util/remove_cvref/requirements/alias_decl.cc
index 4a2613c12190..6b64f2935066 100644
--- a/libstdc++-v3/testsuite/20_util/remove_cvref/requirements/alias_decl.cc
+++ b/libstdc++-v3/testsuite/20_util/remove_cvref/requirements/alias_decl.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2018-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc
index 02c40eef3971..58fb0dd60398 100644
--- a/libstdc++-v3/testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc
+++ b/libstdc++-v3/testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2018-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/remove_cvref/value.cc b/libstdc++-v3/testsuite/20_util/remove_cvref/value.cc
index b739fae4d64a..341492f6aa6c 100644
--- a/libstdc++-v3/testsuite/20_util/remove_cvref/value.cc
+++ b/libstdc++-v3/testsuite/20_util/remove_cvref/value.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2018-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc b/libstdc++-v3/testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc
index 2e32a9abe7d2..88b318fa5d61 100644
--- a/libstdc++-v3/testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc
+++ b/libstdc++-v3/testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// P0591R4 makes uses-allocator construction apply recursively for nested pairs
diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc
index 54cf2621ea1d..6f790ac6c8ea 100644
--- a/libstdc++-v3/testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do run { target c++20 } }
// { dg-require-effective-target gthreads }
// { dg-additional-options "-pthread" { target pthread } }
diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/casts/rval.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/casts/rval.cc
index 9b4ab327c8c9..96e98018c05e 100644
--- a/libstdc++-v3/testsuite/20_util/shared_ptr/casts/rval.cc
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/casts/rval.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// { dg-require-effective-target hosted }
// Copyright (C) 2019-2023 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/comparison/cmp_c++20.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/comparison/cmp_c++20.cc
index b5649e012683..6fe6de92e4bb 100644
--- a/libstdc++-v3/testsuite/20_util/shared_ptr/comparison/cmp_c++20.cc
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/comparison/cmp_c++20.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// { dg-require-effective-target hosted }
#include <memory>
diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/cons/alias-rval.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/cons/alias-rval.cc
index a955d066c3a8..0cc7bb457537 100644
--- a/libstdc++-v3/testsuite/20_util/shared_ptr/cons/alias-rval.cc
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/cons/alias-rval.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// { dg-require-effective-target hosted }
// Copyright (C) 2019-2023 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/creation/92878_92947.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/creation/92878_92947.cc
index 920ffbf050f0..b5fd81e5e912 100644
--- a/libstdc++-v3/testsuite/20_util/shared_ptr/creation/92878_92947.cc
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/creation/92878_92947.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// { dg-require-effective-target hosted }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/creation/array.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/creation/array.cc
index 5c11a8b6285b..534036287fce 100644
--- a/libstdc++-v3/testsuite/20_util/shared_ptr/creation/array.cc
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/creation/array.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do run { target c++20 } }
// C++20 20.11.3.7 shared_ptr Creation [util.smartptr.shared.create]
diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/creation/overwrite.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/creation/overwrite.cc
index 923e909805a6..d78ee698eb1c 100644
--- a/libstdc++-v3/testsuite/20_util/shared_ptr/creation/overwrite.cc
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/creation/overwrite.cc
@@ -1,4 +1,4 @@
-// { dg-options "-std=gnu++20 -fno-lifetime-dse -O0" }
+// { dg-options "-fno-lifetime-dse -O0" }
// { dg-do run { target c++20 } }
// { dg-require-effective-target hosted }
diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/creation/version.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/creation/version.cc
index 4dd1b4964a49..9c0fc5dda39e 100644
--- a/libstdc++-v3/testsuite/20_util/shared_ptr/creation/version.cc
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/creation/version.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do preprocess { target c++20 } }
// { dg-require-effective-target hosted }
diff --git a/libstdc++-v3/testsuite/20_util/time_point/4.cc b/libstdc++-v3/testsuite/20_util/time_point/4.cc
index f6c3ec99dfb8..f4727ae4eecc 100644
--- a/libstdc++-v3/testsuite/20_util/time_point/4.cc
+++ b/libstdc++-v3/testsuite/20_util/time_point/4.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/time_point/comparison_operators/three_way.cc b/libstdc++-v3/testsuite/20_util/time_point/comparison_operators/three_way.cc
index 2382d7dc279c..182fdcd3cd66 100644
--- a/libstdc++-v3/testsuite/20_util/time_point/comparison_operators/three_way.cc
+++ b/libstdc++-v3/testsuite/20_util/time_point/comparison_operators/three_way.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/to_address/1.cc b/libstdc++-v3/testsuite/20_util/to_address/1.cc
index 6ad5630a61bd..2e1ec4b3e847 100644
--- a/libstdc++-v3/testsuite/20_util/to_address/1.cc
+++ b/libstdc++-v3/testsuite/20_util/to_address/1.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <memory>
#include <testsuite_hooks.h>
diff --git a/libstdc++-v3/testsuite/20_util/to_address/1_neg.cc b/libstdc++-v3/testsuite/20_util/to_address/1_neg.cc
index 181f8b6dea34..21cd5165ab77 100644
--- a/libstdc++-v3/testsuite/20_util/to_address/1_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/to_address/1_neg.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// { dg-error "not a function pointer" "" { target *-*-* } 0 }
#include <memory>
diff --git a/libstdc++-v3/testsuite/20_util/to_address/debug.cc b/libstdc++-v3/testsuite/20_util/to_address/debug.cc
index d6eba8b5d10f..394b9b32df2f 100644
--- a/libstdc++-v3/testsuite/20_util/to_address/debug.cc
+++ b/libstdc++-v3/testsuite/20_util/to_address/debug.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <debug/vector>
#include <testsuite_hooks.h>
diff --git a/libstdc++-v3/testsuite/20_util/to_address/lwg3545.cc b/libstdc++-v3/testsuite/20_util/to_address/lwg3545.cc
index a80ac29b2c97..3a1ee8d1a9ba 100644
--- a/libstdc++-v3/testsuite/20_util/to_address/lwg3545.cc
+++ b/libstdc++-v3/testsuite/20_util/to_address/lwg3545.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <memory>
diff --git a/libstdc++-v3/testsuite/20_util/to_chars/compare.cc b/libstdc++-v3/testsuite/20_util/to_chars/compare.cc
index 250058c55e50..b2faac0c69d6 100644
--- a/libstdc++-v3/testsuite/20_util/to_chars/compare.cc
+++ b/libstdc++-v3/testsuite/20_util/to_chars/compare.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <charconv>
#include <testsuite_hooks.h>
diff --git a/libstdc++-v3/testsuite/20_util/tuple/comparison_operators/three_way.cc b/libstdc++-v3/testsuite/20_util/tuple/comparison_operators/three_way.cc
index 82e38a683bfe..e441fe0c69fc 100644
--- a/libstdc++-v3/testsuite/20_util/tuple/comparison_operators/three_way.cc
+++ b/libstdc++-v3/testsuite/20_util/tuple/comparison_operators/three_way.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/tuple/cons/102270.cc b/libstdc++-v3/testsuite/20_util/tuple/cons/102270.cc
index 5500cacab6d6..6ddb9630a670 100644
--- a/libstdc++-v3/testsuite/20_util/tuple/cons/102270.cc
+++ b/libstdc++-v3/testsuite/20_util/tuple/cons/102270.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <tuple>
diff --git a/libstdc++-v3/testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc b/libstdc++-v3/testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc
index 2ff431026add..8f672c96d029 100644
--- a/libstdc++-v3/testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc
+++ b/libstdc++-v3/testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// FIXME [!HOSTED]: avoidable std::allocator usage
// { dg-require-effective-target hosted }
//
diff --git a/libstdc++-v3/testsuite/20_util/tuple/constexpr_swap.cc b/libstdc++-v3/testsuite/20_util/tuple/constexpr_swap.cc
index 14fdec48f8af..1dea311a6e71 100644
--- a/libstdc++-v3/testsuite/20_util/tuple/constexpr_swap.cc
+++ b/libstdc++-v3/testsuite/20_util/tuple/constexpr_swap.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
//
// Copyright (C) 2019-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/type_identity/requirements/alias_decl.cc b/libstdc++-v3/testsuite/20_util/type_identity/requirements/alias_decl.cc
index 4823a32f4a20..67e7f6a51a7a 100644
--- a/libstdc++-v3/testsuite/20_util/type_identity/requirements/alias_decl.cc
+++ b/libstdc++-v3/testsuite/20_util/type_identity/requirements/alias_decl.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
//
#include <type_traits>
diff --git a/libstdc++-v3/testsuite/20_util/type_identity/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/20_util/type_identity/requirements/explicit_instantiation.cc
index 193ecfeb36f0..69c3a7ca1e8f 100644
--- a/libstdc++-v3/testsuite/20_util/type_identity/requirements/explicit_instantiation.cc
+++ b/libstdc++-v3/testsuite/20_util/type_identity/requirements/explicit_instantiation.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// NB: This file is for testing type_traits with NO OTHER INCLUDES.
diff --git a/libstdc++-v3/testsuite/20_util/type_identity/requirements/typedefs.cc b/libstdc++-v3/testsuite/20_util/type_identity/requirements/typedefs.cc
index c7248a25dfa9..6c9ba2247ddb 100644
--- a/libstdc++-v3/testsuite/20_util/type_identity/requirements/typedefs.cc
+++ b/libstdc++-v3/testsuite/20_util/type_identity/requirements/typedefs.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <type_traits>
diff --git a/libstdc++-v3/testsuite/20_util/typeindex/comparison_operators_c++20.cc b/libstdc++-v3/testsuite/20_util/typeindex/comparison_operators_c++20.cc
index b903b72235ea..98be53f4c35b 100644
--- a/libstdc++-v3/testsuite/20_util/typeindex/comparison_operators_c++20.cc
+++ b/libstdc++-v3/testsuite/20_util/typeindex/comparison_operators_c++20.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// { dg-require-effective-target rtti }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/20_util/unique_ptr/comparison/compare_c++20.cc b/libstdc++-v3/testsuite/20_util/unique_ptr/comparison/compare_c++20.cc
index 43eb2d9a9dc2..e0d95040eb01 100644
--- a/libstdc++-v3/testsuite/20_util/unique_ptr/comparison/compare_c++20.cc
+++ b/libstdc++-v3/testsuite/20_util/unique_ptr/comparison/compare_c++20.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <memory>
#include <testsuite_hooks.h>
diff --git a/libstdc++-v3/testsuite/20_util/unique_ptr/creation/92878_92947.cc b/libstdc++-v3/testsuite/20_util/unique_ptr/creation/92878_92947.cc
index aef555512dd3..0f656de89671 100644
--- a/libstdc++-v3/testsuite/20_util/unique_ptr/creation/92878_92947.cc
+++ b/libstdc++-v3/testsuite/20_util/unique_ptr/creation/92878_92947.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// { dg-require-effective-target hosted }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/20_util/unique_ptr/creation/for_overwrite.cc b/libstdc++-v3/testsuite/20_util/unique_ptr/creation/for_overwrite.cc
index 86b9045b3880..37ef1b7356a9 100644
--- a/libstdc++-v3/testsuite/20_util/unique_ptr/creation/for_overwrite.cc
+++ b/libstdc++-v3/testsuite/20_util/unique_ptr/creation/for_overwrite.cc
@@ -1,5 +1,5 @@
-// { dg-options "-std=gnu++20 -fno-lifetime-dse -O0" }
-// { dg-do run { target c++2a } }
+// { dg-options "-fno-lifetime-dse -O0" }
+// { dg-do run { target c++20 } }
// { dg-xfail-run-if "AIX operator new" { powerpc-ibm-aix* } }
// { dg-require-effective-target hosted }
diff --git a/libstdc++-v3/testsuite/20_util/unique_ptr/creation/for_overwrite__neg.cc b/libstdc++-v3/testsuite/20_util/unique_ptr/creation/for_overwrite__neg.cc
index d1144effaf8c..7afbc5a78b7f 100644
--- a/libstdc++-v3/testsuite/20_util/unique_ptr/creation/for_overwrite__neg.cc
+++ b/libstdc++-v3/testsuite/20_util/unique_ptr/creation/for_overwrite__neg.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++20" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
// { dg-require-effective-target hosted }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/20_util/unique_ptr/io/lwg2948.cc b/libstdc++-v3/testsuite/20_util/unique_ptr/io/lwg2948.cc
index 45c54a03b6a9..7266fd3a19e9 100644
--- a/libstdc++-v3/testsuite/20_util/unique_ptr/io/lwg2948.cc
+++ b/libstdc++-v3/testsuite/20_util/unique_ptr/io/lwg2948.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <memory>
#include <sstream>
diff --git a/libstdc++-v3/testsuite/20_util/unwrap_reference/1.cc b/libstdc++-v3/testsuite/20_util/unwrap_reference/1.cc
index 15a9e39f26f6..d3a33f842ca0 100644
--- a/libstdc++-v3/testsuite/20_util/unwrap_reference/1.cc
+++ b/libstdc++-v3/testsuite/20_util/unwrap_reference/1.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <type_traits>
diff --git a/libstdc++-v3/testsuite/20_util/unwrap_reference/2.cc b/libstdc++-v3/testsuite/20_util/unwrap_reference/2.cc
index ab67269af6cd..95e61445e4f2 100644
--- a/libstdc++-v3/testsuite/20_util/unwrap_reference/2.cc
+++ b/libstdc++-v3/testsuite/20_util/unwrap_reference/2.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <type_traits>
diff --git a/libstdc++-v3/testsuite/20_util/unwrap_reference/3.cc b/libstdc++-v3/testsuite/20_util/unwrap_reference/3.cc
index 9ea43871468d..e2e91fdb34b9 100644
--- a/libstdc++-v3/testsuite/20_util/unwrap_reference/3.cc
+++ b/libstdc++-v3/testsuite/20_util/unwrap_reference/3.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <version>
diff --git a/libstdc++-v3/testsuite/20_util/uses_allocator/92878_92947.cc b/libstdc++-v3/testsuite/20_util/uses_allocator/92878_92947.cc
index 9c4d2966a2fb..ca3efd7b2974 100644
--- a/libstdc++-v3/testsuite/20_util/uses_allocator/92878_92947.cc
+++ b/libstdc++-v3/testsuite/20_util/uses_allocator/92878_92947.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// { dg-require-effective-target hosted }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/20_util/uses_allocator/lwg3527.cc b/libstdc++-v3/testsuite/20_util/uses_allocator/lwg3527.cc
index c5a7d513b314..445e40965b28 100644
--- a/libstdc++-v3/testsuite/20_util/uses_allocator/lwg3527.cc
+++ b/libstdc++-v3/testsuite/20_util/uses_allocator/lwg3527.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
// { dg-require-effective-target hosted }
diff --git a/libstdc++-v3/testsuite/20_util/uses_allocator/make_obj.cc b/libstdc++-v3/testsuite/20_util/uses_allocator/make_obj.cc
index 23336a86c4ce..d1a9fb5c49f0 100644
--- a/libstdc++-v3/testsuite/20_util/uses_allocator/make_obj.cc
+++ b/libstdc++-v3/testsuite/20_util/uses_allocator/make_obj.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <testsuite_hooks.h>
#include <testsuite_allocator.h>
diff --git a/libstdc++-v3/testsuite/20_util/uses_allocator/uninitialized_construct.cc b/libstdc++-v3/testsuite/20_util/uses_allocator/uninitialized_construct.cc
index 06e850f49979..8fbc767dd5e5 100644
--- a/libstdc++-v3/testsuite/20_util/uses_allocator/uninitialized_construct.cc
+++ b/libstdc++-v3/testsuite/20_util/uses_allocator/uninitialized_construct.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
// TODO [!HOSTED]: avoidable std::allocator usage
// { dg-require-effective-target hosted }
diff --git a/libstdc++-v3/testsuite/20_util/variant/92878_92947.cc b/libstdc++-v3/testsuite/20_util/variant/92878_92947.cc
index 7c3d5bf7957e..528c59dbdbc9 100644
--- a/libstdc++-v3/testsuite/20_util/variant/92878_92947.cc
+++ b/libstdc++-v3/testsuite/20_util/variant/92878_92947.cc
@@ -1,5 +1,4 @@
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
//
diff --git a/libstdc++-v3/testsuite/20_util/variant/95915.cc b/libstdc++-v3/testsuite/20_util/variant/95915.cc
index 84e91583e0f6..471d9a45c74e 100644
--- a/libstdc++-v3/testsuite/20_util/variant/95915.cc
+++ b/libstdc++-v3/testsuite/20_util/variant/95915.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
// Copyright (C) 2020-2023 Free Software Foundation, Inc.
diff --git a/libstdc++-v3/testsuite/20_util/variant/constexpr.cc b/libstdc++-v3/testsuite/20_util/variant/constexpr.cc
index 7af3d98fe5d5..55fac029aafb 100644
--- a/libstdc++-v3/testsuite/20_util/variant/constexpr.cc
+++ b/libstdc++-v3/testsuite/20_util/variant/constexpr.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do compile { target c++20 } }
#include <variant>
diff --git a/libstdc++-v3/testsuite/20_util/variant/relops/three_way.cc b/libstdc++-v3/testsuite/20_util/variant/relops/three_way.cc
index dc3f5455fdad..91f59ff9075b 100644
--- a/libstdc++-v3/testsuite/20_util/variant/relops/three_way.cc
+++ b/libstdc++-v3/testsuite/20_util/variant/relops/three_way.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <variant>
diff --git a/libstdc++-v3/testsuite/20_util/variant/visit_neg.cc b/libstdc++-v3/testsuite/20_util/variant/visit_neg.cc
index d93c3ba10b01..6e934314a86a 100644
--- a/libstdc++-v3/testsuite/20_util/variant/visit_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/variant/visit_neg.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
#include <variant>
#include <testsuite_hooks.h>
diff --git a/libstdc++-v3/testsuite/20_util/variant/visit_r.cc b/libstdc++-v3/testsuite/20_util/variant/visit_r.cc
index 1fb18f25a6eb..4f551a612d8f 100644
--- a/libstdc++-v3/testsuite/20_util/variant/visit_r.cc
+++ b/libstdc++-v3/testsuite/20_util/variant/visit_r.cc
@@ -15,8 +15,7 @@
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do run { target c++2a } }
+// { dg-do run { target c++20 } }
#include <variant>
#include <testsuite_hooks.h>
diff --git a/libstdc++-v3/testsuite/20_util/weak_ptr/atomic_weak_ptr.cc b/libstdc++-v3/testsuite/20_util/weak_ptr/atomic_weak_ptr.cc
index b38cea768c8e..f612bc2180dc 100644
--- a/libstdc++-v3/testsuite/20_util/weak_ptr/atomic_weak_ptr.cc
+++ b/libstdc++-v3/testsuite/20_util/weak_ptr/atomic_weak_ptr.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++20" }
// { dg-do run { target c++20 } }
// { dg-require-effective-target gthreads }
// { dg-additional-options "-pthread" { target pthread } }
--
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