Retro68/gcc/gcc/testsuite/gcc.dg/errno-1.c
2017-10-07 02:16:47 +02:00

22 lines
445 B
C

/* { 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" } */