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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-pre-stats" } */ int foo (int i) { int a, b; if (i) a = 3, b = 2; else a = 2, b = 3; return a + b; } /* We should detect that a+b is the same along both edges, and replace it with 5 */ /* { dg-final { scan-tree-dump-times "Constified:1" 1 "pre"} } */