| /* PR tree-optimization/47391 */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -fdump-tree-optimized" } */ | |
| const volatile int v = 1; | |
| int i = 0; | |
| void | |
| foo (void) | |
| { | |
| i = v; | |
| } | |
| int | |
| main (void) | |
| { | |
| foo (); | |
| return 0; | |
| } | |
| /* { dg-final { scan-tree-dump-not "i = 1;" "optimized" } } */ | |
| /* { dg-final { cleanup-tree-dump "optimized" } } */ |