1  /* PR tree-optimization/79284 */
       2  
       3  struct S { unsigned a : 1; } b;
       4  int c[64];
       5  
       6  int
       7  foo (int x)
       8  { 
       9    char e, f;
      10    for (e = 63; e; e--)
      11      f = (c[e] && ~0) != b.a;
      12    return f;
      13  }