| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -fdump-tree-fre1" } */ | |
| struct a {int v1; | |
| int v2;}; | |
| struct b {struct a a[0];}; | |
| int | |
| test (struct b *bptr1, struct b *bptr2, int i, int j) | |
| { | |
| bptr1->a[i].v1=123; | |
| bptr2->a[j].v2=1; | |
| return bptr1->a[i].v1; | |
| } | |
| int | |
| test2 (struct b *bptr1, struct b *bptr2, int i, int j) | |
| { | |
| bptr1->a[i].v1=123; | |
| bptr2->a[j].v1=1; | |
| return bptr1->a[i].v1; | |
| } | |
| /* test should be optimized, while test2 should not. */ | |
| /* { dg-final { scan-tree-dump-times "return 123" 1 "fre1"} } */ |