1  /* PR target/21297 */
       2  typedef __SIZE_TYPE__ size_t;
       3  extern int memcmp (const char *, const char *, size_t);
       4  extern void abort ();
       5  
       6  void
       7  foo (char *x)
       8  {
       9    int i;
      10    for (i = 0; i < 2; i++);
      11    x[i + i] = '\0';
      12  }
      13  
      14  void
      15  bar (char *x)
      16  {
      17    int i;
      18    for (i = 0; i < 2; i++);
      19    x[i + i + i + i] = '\0';
      20  }
      21  
      22  int
      23  main (void)
      24  {
      25    char x[] = "IJKLMNOPQR";
      26    foo (x);
      27    if (memcmp (x, "IJKL\0NOPQR", sizeof x) != 0)
      28      abort ();
      29    x[4] = 'M';
      30    bar (x);
      31    if (memcmp (x, "IJKLMNOP\0R", sizeof x) != 0)
      32      abort ();
      33    return 0;
      34  }