libstdc++: Remove dg-options "-std=gnu++23" from remaining tests

The testsuite will automatically select C++23 for these tests now, and
removing the hardcoded -std option allows them to be tested for C++26
as well.

libstdc++-v3/ChangeLog:

	* testsuite/18_support/headers/limits/synopsis_cxx23.cc: Remove
	dg-options.
	* testsuite/18_support/headers/stdfloat/types_std.cc: Likewise.
	* testsuite/18_support/type_info/constexpr.cc: Likewise.
	* testsuite/19_diagnostics/stacktrace/current.cc: Likewise.
	* testsuite/19_diagnostics/stacktrace/entry.cc: Likewise.
	* testsuite/19_diagnostics/stacktrace/stacktrace.cc: Likewise.
	* testsuite/19_diagnostics/stacktrace/synopsis.cc: Likewise.
	* testsuite/19_diagnostics/stacktrace/version.cc: Likewise.
	* testsuite/20_util/aligned_storage/deprecated-2b.cc: Likewise.
	* testsuite/20_util/aligned_union/deprecated-2b.cc: Likewise.
	* testsuite/20_util/bitset/access/constexpr.cc: Likewise.
	* testsuite/20_util/bitset/cons/constexpr_c++23.cc: Likewise.
	* testsuite/20_util/bitset/count/constexpr.cc: Likewise.
	* testsuite/20_util/bitset/ext/constexpr.cc: Likewise.
	* testsuite/20_util/bitset/operations/constexpr_c++23.cc:
	Likewise.
	* testsuite/20_util/bitset/version.cc: Likewise.
	* testsuite/20_util/from_chars/8.cc: Likewise.
	* testsuite/20_util/from_chars/constexpr.cc: Likewise.
	* testsuite/20_util/function/cons/deduction_c++23.cc: Likewise.
	* testsuite/20_util/function_objects/invoke/4.cc: Likewise.
	* testsuite/20_util/function_objects/invoke/dangling_ref.cc:
	Likewise.
	* testsuite/20_util/is_scoped_enum/value.cc: Likewise.
	* testsuite/20_util/is_scoped_enum/version.cc: Likewise.
	* testsuite/20_util/move_only_function/call.cc: Likewise.
	* testsuite/20_util/move_only_function/cons.cc: Likewise.
	* testsuite/20_util/move_only_function/move.cc: Likewise.
	* testsuite/20_util/move_only_function/version.cc: Likewise.
	* testsuite/20_util/optional/monadic/and_then.cc: Likewise.
	* testsuite/20_util/optional/monadic/or_else.cc: Likewise.
	* testsuite/20_util/optional/monadic/or_else_neg.cc: Likewise.
	* testsuite/20_util/optional/monadic/pr109242.cc: Likewise.
	* testsuite/20_util/optional/monadic/transform.cc: Likewise.
	* testsuite/20_util/pair/p2321r2.cc: Likewise.
	* testsuite/20_util/reference_from_temporary/value.cc: Likewise.
	* testsuite/20_util/reference_from_temporary/value2.cc:
	Likewise.
	* testsuite/20_util/reference_from_temporary/version.cc:
	Likewise.
	* testsuite/20_util/to_chars/constexpr.cc: Likewise.
	* testsuite/20_util/to_chars/float128_c++23.cc: Likewise.
	* testsuite/20_util/to_chars/float16_c++23.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/p2321r2.cc: Likewise.
	* testsuite/20_util/unique_ptr/assign/constexpr.cc: Likewise.
	* testsuite/20_util/unique_ptr/comparison/constexpr.cc:
	Likewise.
	* testsuite/20_util/unique_ptr/cons/constexpr_c++20.cc:
	Likewise.
	* testsuite/20_util/unique_ptr/creation/constexpr.cc: Likewise.
	* testsuite/20_util/unique_ptr/modifiers/constexpr.cc: Likewise.
	* testsuite/20_util/unique_ptr/specialized_algorithms/constexpr.cc: Likewise.
	* testsuite/20_util/unreachable/1.cc: Likewise.
	* testsuite/20_util/unreachable/version.cc: Likewise.
	* testsuite/20_util/uses_allocator/lwg3677.cc: Likewise.
	* testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc: Likewise.
	* testsuite/21_strings/basic_string/operations/contains/char.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operations/contains/nonnull.cc: Likewise.
	* testsuite/21_strings/basic_string/operations/contains/wchar_t.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/char/range_c++20.cc: Likewise.
	* testsuite/21_strings/basic_string_view/cons/wchar_t/range_c++20.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/contains/nonnull.cc: Likewise.
	* testsuite/21_strings/basic_string_view/operations/contains/wchar_t.cc: Likewise.
	* testsuite/23_containers/queue/cons_from_iters.cc: Likewise.
	* testsuite/23_containers/stack/cons_from_iters.cc: Likewise.
	* testsuite/23_containers/vector/bool/element_access/1.cc:
	Likewise.
	* testsuite/24_iterators/const_iterator/1.cc: Likewise.
	* testsuite/25_algorithms/contains/1.cc: Likewise.
	* testsuite/25_algorithms/contains_subrange/1.cc: Likewise.
	* testsuite/25_algorithms/find_last/1.cc: Likewise.
	* testsuite/25_algorithms/find_last_if/1.cc: Likewise.
	* testsuite/25_algorithms/find_last_if_not/1.cc: Likewise.
	* testsuite/25_algorithms/fold_left/1.cc: Likewise.
	* testsuite/25_algorithms/fold_right/1.cc: Likewise.
	* testsuite/25_algorithms/iota/1.cc: Likewise.
	* testsuite/26_numerics/bit/bit.byteswap/byteswap.cc: Likewise.
	* testsuite/26_numerics/bit/bit.byteswap/version.cc: Likewise.
	* testsuite/26_numerics/complex/ext_c++23.cc: Likewise.
	* testsuite/26_numerics/headers/cmath/c99_classification_macros_c++23.cc: Likewise.
	* testsuite/26_numerics/headers/cmath/constexpr_std_c++23.cc:
	Likewise.
	* testsuite/26_numerics/headers/cmath/functions_std_c++23.cc:
	Likewise.
	* testsuite/26_numerics/headers/cmath/nextafter_c++23.cc:
	Likewise.
	* testsuite/26_numerics/numbers/4.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_other/char/volatile_ptr.cc: Likewise.
	* testsuite/27_io/filesystem/path/native/conv_c++23.cc:
	Likewise.
	* testsuite/27_io/spanstream/1.cc: Likewise.
	* testsuite/27_io/spanstream/2.cc: Likewise.
	* testsuite/27_io/spanstream/version.cc: Likewise.
	* testsuite/29_atomics/atomic_float/requirements_cxx23.cc:
	Likewise.
	* testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
	Likewise.
	* testsuite/29_atomics/headers/stdatomic.h/version.cc: Likewise.
	* testsuite/30_threads/packaged_task/cons/deduction_c++23.cc:
	Likewise.
	* testsuite/experimental/filesystem/path/native/conv_c++23.cc:
	Likewise.
	* testsuite/std/ranges/adaptors/adjacent/1.cc: Likewise.
	* testsuite/std/ranges/adaptors/adjacent_transform/1.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/lwg3715.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/range_adaptor_closure.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/ranges/zip_transform/1.cc: Likewise.

17 files changed, 0 insertions, 17 deletions

diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/adjacent/1.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/adjacent/1.cc
index 19640ab..b83743a 100644
--- a/libstdc++-v3/testsuite/std/ranges/adaptors/adjacent/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/adaptors/adjacent/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/adjacent_transform/1.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/adjacent_transform/1.cc
index c32c639..6aeedba 100644
--- a/libstdc++-v3/testsuite/std/ranges/adaptors/adjacent_transform/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/adaptors/adjacent_transform/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/as_const/1.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/as_const/1.cc
index ac1be74..48c7d38 100644
--- a/libstdc++-v3/testsuite/std/ranges/adaptors/as_const/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/adaptors/as_const/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/as_rvalue/1.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/as_rvalue/1.cc
index da82960..74223a6 100644
--- a/libstdc++-v3/testsuite/std/ranges/adaptors/as_rvalue/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/adaptors/as_rvalue/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/chunk/1.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/chunk/1.cc
index 18b934f..7b8d4ba 100644
--- a/libstdc++-v3/testsuite/std/ranges/adaptors/chunk/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/adaptors/chunk/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/chunk_by/1.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/chunk_by/1.cc
index a8fceb1..656c3c0 100644
--- a/libstdc++-v3/testsuite/std/ranges/adaptors/chunk_by/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/adaptors/chunk_by/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/enumerate/1.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/enumerate/1.cc
index 445d985..d522168 100644
--- a/libstdc++-v3/testsuite/std/ranges/adaptors/enumerate/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/adaptors/enumerate/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/join_with/1.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/join_with/1.cc
index 15127c0..7bed169 100644
--- a/libstdc++-v3/testsuite/std/ranges/adaptors/join_with/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/adaptors/join_with/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/lwg3715.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/lwg3715.cc
index 96ee708..b42762d 100644
--- a/libstdc++-v3/testsuite/std/ranges/adaptors/lwg3715.cc
+++ b/libstdc++-v3/testsuite/std/ranges/adaptors/lwg3715.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 // Verify LWG 3715 changes.
diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/slide/1.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/slide/1.cc
index 8c015c1..8dfb871 100644
--- a/libstdc++-v3/testsuite/std/ranges/adaptors/slide/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/adaptors/slide/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/stride/1.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/stride/1.cc
index 92aca35..dfc413d 100644
--- a/libstdc++-v3/testsuite/std/ranges/adaptors/stride/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/adaptors/stride/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/cartesian_product/1.cc b/libstdc++-v3/testsuite/std/ranges/cartesian_product/1.cc
index ef2ece4..8938e92 100644
--- a/libstdc++-v3/testsuite/std/ranges/cartesian_product/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/cartesian_product/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/range_adaptor_closure.cc b/libstdc++-v3/testsuite/std/ranges/range_adaptor_closure.cc
index 6221f07..104fd22 100644
--- a/libstdc++-v3/testsuite/std/ranges/range_adaptor_closure.cc
+++ b/libstdc++-v3/testsuite/std/ranges/range_adaptor_closure.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/repeat/1.cc b/libstdc++-v3/testsuite/std/ranges/repeat/1.cc
index c62122c..3063640 100644
--- a/libstdc++-v3/testsuite/std/ranges/repeat/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/repeat/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/version_c++23.cc b/libstdc++-v3/testsuite/std/ranges/version_c++23.cc
index 64b7df4..f68df67 100644
--- a/libstdc++-v3/testsuite/std/ranges/version_c++23.cc
+++ b/libstdc++-v3/testsuite/std/ranges/version_c++23.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do preprocess { target c++23 } }
 
 #include <version>
diff --git a/libstdc++-v3/testsuite/std/ranges/zip/1.cc b/libstdc++-v3/testsuite/std/ranges/zip/1.cc
index 8ca386d..f7c2c00 100644
--- a/libstdc++-v3/testsuite/std/ranges/zip/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/zip/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>
diff --git a/libstdc++-v3/testsuite/std/ranges/zip_transform/1.cc b/libstdc++-v3/testsuite/std/ranges/zip_transform/1.cc
index d858b02..20abdcb 100644
--- a/libstdc++-v3/testsuite/std/ranges/zip_transform/1.cc
+++ b/libstdc++-v3/testsuite/std/ranges/zip_transform/1.cc
@@ -1,4 +1,3 @@
-// { dg-options "-std=gnu++23" }
 // { dg-do run { target c++23 } }
 
 #include <ranges>