1  /* { dg-do run } */
       2  /* { dg-options "-fno-early-inlining" } */
       3  
       4  extern void abort (void);
       5  
       6  union U
       7  {
       8    int i;
       9    _Bool b;
      10  };
      11  
      12  _Bool gb;
      13  
      14  void  __attribute__ ((noinline))
      15  use_bool (union U u)
      16  {
      17    gb = u.b;
      18  }
      19  
      20  union U
      21  bar (void)
      22  {
      23    union U u;
      24    u.i = 0xFFFE;
      25    return u;
      26  }
      27  
      28  union U  __attribute__ ((noinline))
      29  foo (void)
      30  {
      31    union U u,v;
      32  
      33    u.b = 1;
      34    use_bool (u);
      35    u = bar ();
      36  
      37    return u;
      38  }
      39  
      40  int main (int argc, char **argv)
      41  {
      42    union U u = foo ();
      43    if (u.i != 0xFFFE)
      44      abort ();
      45    return 0;
      46  }