1  /* Copy of gcc.c-torture/compile/pr80443.c  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -fwrapv" } */
       4  
       5  struct S { int a : 1; } b, c;
       6  signed char d, e, f;
       7  
       8  void
       9  foo ()
      10  { 
      11    while (f)
      12      { 
      13        signed char g = b.a;
      14        if (g)
      15  	b.a = ~(1 + (d || c.a));
      16        if (b.a < g && b.a)
      17  	g = 0;
      18        if (b.a > c.a)
      19  	b.a = g;
      20        c.a = e;
      21      }
      22  }