1  /* PR tree-optimization/65215 */
       2  
       3  struct S { unsigned long long l1 : 24, l2 : 8, l3 : 32; };
       4  
       5  static inline unsigned int
       6  foo (unsigned int x)
       7  {
       8    return (x >> 24) | ((x >> 8) & 0xff00) | ((x << 8) & 0xff0000) | (x << 24);
       9  }
      10  
      11  __attribute__((noinline, noclone)) unsigned long long
      12  bar (struct S *x)
      13  {
      14    unsigned long long x1 = foo (((unsigned int) x->l1 << 8) | x->l2);
      15    unsigned long long x2 = foo (x->l3);
      16    return (x2 << 32) | x1;
      17  }
      18  
      19  int
      20  main ()
      21  {
      22    if (__CHAR_BIT__ != 8 || sizeof (unsigned int) != 4 || sizeof (unsigned long long) != 8)
      23      return 0;
      24    struct S s = { 0xdeadbeU, 0xefU, 0xfeedbea8U };
      25    unsigned long long l = bar (&s);
      26    if (foo (l >> 32) != s.l3
      27        || (foo (l) >> 8) != s.l1
      28        || (foo (l) & 0xff) != s.l2)
      29      __builtin_abort ();
      30    return 0;
      31  }