/* Copyright (C) 2003 Free Software Foundation. | |
Test that the -fwrapv command line option is accepted and disables | |
"unsafe" optimizations that rely on undefined arithmetic overflow. | |
Written by Roger Sayle, 24th March 2003. */ | |
/* { dg-do run } */ | |
/* { dg-options "-O2 -fwrapv" } */ | |
#include <limits.h> | |
extern void abort (); | |
int test(int x) | |
{ | |
return (2*x)/2; | |
} | |
main() | |
{ | |
int x = INT_MAX; | |
if (test(x) == x) | |
abort (); | |
return 0; | |
} | |