1 static int foo(void)
   2 {
   3         switch () {
   4         case 0:
   5                 return 0;
   6         default:
   7                 return 1;
   8         }
   9 }
  10 
  11 static int bar(void)
  12 {
  13         if ()
  14                 return 0;
  15         else
  16                 return 1;
  17 }
  18 
  19 /*
  20  * check-name: empty expression
  21  *
  22  * check-error-start
  23 empty-expr.c:3:17: error: an expression is expected before ')'
  24 empty-expr.c:13:13: error: an expression is expected before ')'
  25  * check-error-end
  26  */