gcc/testsuite/gcc.target/i386/chkp-narrow-bounds.c

   1 /* { dg-do compile { target { ! x32 } } } */
   2 /* { dg-options "-fcheck-pointer-bounds -mmpx -O2 -fdump-tree-chkp" } */
   3 /* { dg-final { scan-tree-dump "bndcl" "chkp" } } */
   4 /* { dg-final { scan-tree-dump "bndcu" "chkp" } } */
   5
   6 int
   7 test (int *p)
   8 {
   9   int *p1 = __bnd_narrow_ptr_bounds (p - 10, p, sizeof (int) * 20);
  10   return p1[10];
  11 }