gcc/testsuite/gcc.dg/ssp-2.c

   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 }