gcc/testsuite/gcc.target/i386/mpx/vla-trailing-1-lbv.c

   1 /* { dg-do run } */
   2 /* { dg-shouldfail "bounds violation" } */
   3 /* { dg-options "-fcheck-pointer-bounds -mmpx -fchkp-flexible-struct-trailing-arrays" } */
   4
   5
   6 #define SHOULDFAIL
   7
   8 #include "mpx-check.h"
   9
  10 struct S
  11 {
  12   int a;
  13   int p[10];
  14 };
  15
  16 int rd (int *p, int i)
  17 {
  18   int res = p[i];
  19   printf ("%d\n", res);
  20   return res;
  21 }
  22
  23 int mpx_test (int argc, const char **argv)
  24 {
  25   struct S *s = (struct S *)alloca (sizeof(struct S) + sizeof (int)*100);
  26   rd (s->p, -2);
  27
  28   return 0;
  29 }