| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -fdump-tree-optimized" } */ | |
| #define HUGE __DBL_MAX__ | |
| #define INF (HUGE + HUGE) | |
| #define NAN (INF - INF) | |
| double foo() { | |
| double x = -NAN; | |
| double y = NAN; | |
| return x + y; | |
| } | |
| /* { dg-final { scan-tree-dump-not "return 0\.0" "optimized" } } */ |