1  /* PR tree-optimization/93582 */
       2  /* { dg-do compile { target int32 } } */
       3  /* { dg-options "-O2 -fdump-tree-fre1" } */
       4  /* { dg-final { scan-tree-dump "return 72876566;" "fre1" { target le } } } */
       5  /* { dg-final { scan-tree-dump "return 559957376;" "fre1" { target be } } } */
       6  
       7  union U {
       8    struct S { int a : 12, b : 5, c : 10, d : 5; } s;
       9    unsigned int i;
      10  };
      11  struct A { char a[12]; union U u; };
      12  void bar (struct A *);
      13  
      14  unsigned
      15  foo (void)
      16  {
      17    struct A a;
      18    bar (&a);
      19    a.u.s.a = 1590;
      20    a.u.s.c = -404;
      21  #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
      22  #define M 0x67e0a5f
      23  #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
      24  #define M 0xa5f067e0
      25  #else
      26  #define M 0
      27  #endif
      28    return a.u.i & M;
      29  }