gcc/testsuite/gcc.target/i386/mpx/bitfields-1-lbv.c

   1 /* { dg-do run } */
   2 /* { dg-shouldfail "bounds violation" } */
   3 /* { dg-options "-fcheck-pointer-bounds -mmpx" } */
   4
   5
   6 #define SHOULDFAIL
   7
   8 #include "mpx-check.h"
   9
  10 struct s {
  11   int a;
  12   int b : 10;
  13   int c : 1;
  14   int e : 10;
  15 } s;
  16
  17 #define HH (unsigned char)1
  18
  19 int foo (struct s *p)
  20 {
  21   int val = p->b;
  22   printf ("%d\n", val);
  23   return val == HH;
  24 }
  25
  26 int mpx_test (int argc, const char **argv)
  27 {
  28   struct s buf[100];
  29
  30   foo (buf - 1);
  31
  32   return 0;
  33 }