| /* 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-mergephi" } */ | |
| 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 "mergephi\[1-2\]" } } */ |