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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-vrp1" } */
int
foo(int a)
{
int z = a | 1;
return z != 0;
}
/* VRP should optimize this to a trivial "return 1". */
/* { dg-final { scan-tree-dump-times "return 1" 1 "vrp1" } } * /
/* { dg-final { cleanup-tree-dump "vrp1" } } */
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