gcc/testsuite/gcc.c-torture/compile/930217-1.c

   1 /* The bit-field below would have a problem if __INT_MAX__ is too
   2    small.  */
   3 #if __INT_MAX__ < 2147483647
   4 int a;
   5 #else
   6 double g ();
   7 typedef union {
   8   struct {
   9     unsigned s:1, e:8, f:23;
  10   } u;
  11   float f;
  12 } s;
  13
  14 f(x, n)
  15      float x;
  16 {
  17   ((s *)&x)->u.e -= n;
  18   x = g((double)x, -n);
  19 }
  20 #endif