1  /* PR tree-optimization/65215 */
       2  
       3  __attribute__((noinline, noclone)) unsigned int
       4  foo (unsigned char *p)
       5  {
       6    return ((unsigned int) p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3];
       7  }
       8  
       9  __attribute__((noinline, noclone)) unsigned int
      10  bar (unsigned char *p)
      11  {
      12    return ((unsigned int) p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0];
      13  }
      14  
      15  struct S { unsigned int a; unsigned char b[5]; };
      16  
      17  int
      18  main ()
      19  {
      20    struct S s = { 1, { 2, 3, 4, 5, 6 } };
      21    if (__CHAR_BIT__ != 8 || sizeof (unsigned int) != 4)
      22      return 0;
      23    if (foo (&s.b[1]) != 0x03040506U
      24        || bar (&s.b[1]) != 0x06050403U)
      25      __builtin_abort ();
      26    return 0;
      27  }