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testsuite: Require thread-fence for 29_atomics/atomic_flag/cons/value_init.cc

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A recent patch made __atomic_test_and_set no longer fall
back to emitting non-atomic code, but instead will then emit
a call to __atomic_test_and_set, thereby exposing the need
to gate also this test on support for atomics, similar to
r14-3980-g62b29347c38394.

libstdc++-v3:
	* testsuite/29_atomics/atomic_flag/cons/value_init.cc: Add
	dg-require-thread-fence.
This commit is contained in:
Hans-Peter Nilsson 2023-09-26 15:59:02 +02:00 • committed by Hans-Peter Nilsson
parent a5f39859d0
commit dd0c42cd37
1 changed files with 1 additions and 0 deletions
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libstdc++-v3/testsuite/29_atomics/atomic_flag/cons/value_init.cc
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@ -16,6 +16,7 @@
// <http://www.gnu.org/licenses/>.
// { dg-do run { target c++20 } }
// { dg-require-thread-fence "" }
#include <atomic>
#include <testsuite_hooks.h>