| /* { dg-do compile } */ | |
| /* { dg-options "-O1 -fno-strict-aliasing -fdump-tree-optimized" } */ | |
| struct S | |
| { | |
| int i; | |
| int j; | |
| }; | |
| union U | |
| { | |
| struct S a[10]; | |
| }; | |
| int | |
| foo (union U *u, int n, int i, int j) | |
| { | |
| u->a[i].i = 123; | |
| u->a[j].j = j; | |
| return u->a[i].i; | |
| } | |
| /* { dg-final { scan-tree-dump-times "return 123" 1 "optimized"} } */ |