/* PR tree-optimization/25501 The PHI merge pass used to try to merge PHI nodes that cannot actually merged, causing a segfault later. Make sure that does not happen any more. */ /* { dg-options "-O1 -fdump-tree-mergephi1" } */ int foo (int a) { int b; int c; int d; if (a == 2) b = 3; else b = 5; c = 7; d = 11; for (;;) { if (d == 5) break; d = b; } return 13; } /* { dg-final { scan-tree-dump-times "Removing basic block" 0 "mergephi1"} } */ /* { dg-final { cleanup-tree-dump "mergephi1" } } */