gnu/dist/gcc4/gcc/testsuite/gcc.c-torture/execute/960301-1.c

   1 struct foo {
   2   unsigned : 12;
   3   unsigned field : 4;
   4 } foo;
   5 unsigned oldfoo;
   6
   7 int
   8 bar (unsigned k)
   9 {
  10   oldfoo = foo.field;
  11   foo.field = k;
  12   if (k)
  13     return 1;
  14   return 2;
  15 }
  16
  17 main ()
  18 {
  19   if (bar (1U) != 1)
  20     abort ();
  21   exit (0);
  22 }