| /* { dg-do compile } */ | |
| /* { dg-options "-O1 -fdump-tree-optimized" } */ | |
| extern void link_error (void); | |
| void | |
| foo (int b) | |
| { | |
| int a; | |
| a = b + 2; | |
| a--; | |
| a--; | |
| if (a != b) | |
| link_error (); | |
| } | |
| /* The comparison should be eliminated, there should be no reference | |
| to link_error. */ | |
| /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */ | |
| /* { dg-final { cleanup-tree-dump "optimized" } } */ |