2012-03-27 23:13:14 +00:00
|
|
|
/* { dg-do compile } */
|
|
|
|
|
/* { dg-options "-O2" } */
|
|
|
|
|
|
|
|
|
|
#include <errno.h>
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
|
2015-08-28 15:33:40 +00:00
|
|
|
void do_not_optimize_away ();
|
|
|
|
|
|
2012-03-27 23:13:14 +00:00
|
|
|
int main()
|
|
|
|
|
{
|
|
|
|
|
void * volatile p;
|
|
|
|
|
errno = 0;
|
2017-10-07 00:16:47 +00:00
|
|
|
/* The malloc call below may cause a -Walloc-size-larger-than warning. */
|
2012-03-27 23:13:14 +00:00
|
|
|
p = malloc (-1);
|
|
|
|
|
if (errno != 0)
|
|
|
|
|
do_not_optimize_away ();
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* { dg-final { scan-assembler "do_not_optimize_away" } } */
|
2017-10-07 00:16:47 +00:00
|
|
|
/* { dg-prune-output "exceeds maximum object size" } */
|
