void foo() {
  /* conditional <-> assignment */
  int x,y;
  int u  = ( y = 2 ? 3 : 0 );  
  int u_ = ( (y = 2) ? 3 : 0 );
  int v = ( y = (2 ? 3 : 0));
  /* no longer supported by gcc 4.5 */
  /* int w = ( (2 ? x : y) = x);   // Warning (not really an lvalue) */
  int s = ( 2 ? 3 : (y = x));
}