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/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
/* Check that we can use this idiom to define out-of-line copies of built-in
functions. This is used by libgcc/sync.c, for example. */
void __sync_synchronize (void)
{
__sync_synchronize ();
}
/* { dg-final { scan-assembler "__sync_synchronize" } } */
/* { dg-final { scan-assembler "\t(lock|mfence)" } } */
/* { dg-final { scan-assembler-not "\tcall" } } */
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