/* { dg-do compile } */ | |
/* { dg-options "-O2" } */ | |
#include <errno.h> | |
#include <stdlib.h> | |
void do_not_optimize_away (); | |
int main() | |
{ | |
void * volatile p; | |
errno = 0; | |
/* The malloc call below may cause a -Walloc-size-larger-than warning. */ | |
p = malloc (-1); | |
if (errno != 0) | |
do_not_optimize_away (); | |
return 0; | |
} | |
/* { dg-final { scan-assembler "do_not_optimize_away" } } */ | |
/* { dg-prune-output "exceeds maximum object size" } */ |