| /* Copyright (C) 2003 Free Software Foundation. | |
| Test that the -fno-wrapv command line option is accepted and enables | |
| "unsafe" optimizations that rely on undefined arithmetic overflow. | |
| Written by Roger Sayle, 31st May 2003. */ | |
| /* { dg-do run } */ | |
| /* { dg-options "-O2 -fno-wrapv" } */ | |
| #include <limits.h> | |
| extern void abort (); | |
| int test(int x) | |
| { | |
| return (2*x)/2; | |
| } | |
| int | |
| main() | |
| { | |
| int x = INT_MAX; | |
| if (test(x) != x) | |
| abort (); | |
| return 0; | |
| } | |