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   4 /* { dg-prune-output "-multiply_defined is obsolete" } */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