linux/tools/memory-model/litmus-tests/CoWW+poonceonce.litmus

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C CoWW+poonceonce
(*
* Result: Never
*
* Test of write-write coherence, that is, whether or not two successive
* writes to the same variable are ordered.
*)
{}
P0(int *x)
{
WRITE_ONCE(*x, 1);
WRITE_ONCE(*x, 2);
}
exists (x=1)