1  /* { dg-do run { target native } } */
       2  /* { dg-options "-fstack-protector" } */
       3  /* { dg-options "-fstack-protector -Wl,-multiply_defined,suppress" { target *-*-darwin* } } */
       4  /* { dg-require-effective-target fstack_protector } */
       5  
       6  #include <stdlib.h>
       7  
       8  void
       9  __stack_chk_fail (void)
      10  {
      11    exit (0); /* pass */
      12  }
      13  
      14  void
      15  overflow()
      16  {
      17    register int i = 0;
      18    char foo[30];
      19  
      20    /* Overflow buffer.  */
      21    for (i = 0; i < 50; i++)
      22        foo[i] = 42;
      23  }
      24  
      25  int main (void)
      26  {
      27    overflow ();
      28    return 1; /* fail */
      29  }