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  
       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" } */