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/* { dg-do compile } */
extern int sched_yield (void);
static volatile int serial = 0;
__attribute__((no_sanitize_thread))
void step (int i)
{
while (__atomic_load_n (&serial, __ATOMIC_ACQUIRE) != i - 1)
sched_yield ();
__atomic_store_n (&serial, i, __ATOMIC_RELEASE);
}
/* { dg-final { scan-assembler-not "__tsan_func_entry" } } */
/* { dg-final { scan-assembler-not "__tsan_func_exit" } } */
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