1 /* { dg-do compile } */
2 /* { dg-options "-O2" } */
3 
4 #include <errno.h>
5 #include <stdlib.h>
6 
7 void do_not_optimize_away ();
8 
main()9 int main()
10 {
11   void * volatile p;
12   errno = 0;
13   /* The malloc call below may cause a -Walloc-size-larger-than warning.  */
14   p = malloc (-1);
15   if (errno != 0)
16     do_not_optimize_away ();
17   return 0;
18 }
19 
20 /* { dg-final { scan-assembler "do_not_optimize_away" } } */
21 /* { dg-prune-output "exceeds maximum object size" } */
22