src/test/ui/issues/issue-5718.rs

   1 // run-pass
   2 // pretty-expanded FIXME #23616
   3
   4 #![feature(box_syntax)]
   5
   6 struct Element;
   7
   8 macro_rules! foo {
   9     ($tag: expr, $string: expr) => {
  10         if $tag == $string {
  11             let element: Box<_> = box Element;
  12             unsafe {
  13                 return std::mem::transmute::<_, usize>(element);
  14             }
  15         }
  16     }
  17 }
  18
  19 fn bar() -> usize {
  20     foo!("a", "b");
  21     0
  22 }
  23
  24 fn main() {
  25     bar();
  26 }