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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-vrp" } */
/* This is from PR14052. */
int f2(int x) { return x == 1 || x == 3 || x == 1; }
/* { dg-final { scan-tree-dump "Folding predicate.*== 1 to 0" "vrp" } } */
/* { dg-final { cleanup-tree-dump "vrp" } } */
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