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/* PR 15349. Merge two PHI nodes. */ /* { dg-do compile } */ /* { dg-options "-O1 -fdump-tree-mergephi2" } */ int foo (int a, int b) { int t; if (b) { if (a) t = 3; else t = 5; a = 0; } else t = 7; return t; } /* { dg-final { scan-tree-dump-times "PHI" 1 "mergephi2"} } */