gcc/testsuite/gcc.target/i386/mpx/pr68337-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fcheck-pointer-bounds -mmpx" } */
   3
   4 #include "mpx-check.h"
   5
   6 #define N 2
   7
   8 extern void abort ();
   9
  10 static int
  11 mpx_test (int argc, const char **argv)
  12 {
  13   char ** src = (char **)malloc (sizeof (char *) * N);
  14   char ** dst = (char **)malloc (sizeof (char *) * N);
  15   int i;
  16
  17   for (i = 0; i < N; i++)
  18     src[i] = __bnd_set_ptr_bounds (argv[0] + i, i + 1);
  19
  20   __builtin_memcpy(dst, src, sizeof (char *) * N);
  21
  22   for (i = 0; i < N; i++)
  23     {
  24       char *p = dst[i];
  25       if (p != argv[0] + i
  26           || __bnd_get_ptr_lbound (p) != p
  27           || __bnd_get_ptr_ubound (p) != p + i)
  28         abort ();
  29     }
  30
  31   return 0;
  32 }