src/test/ui/issues/issue-35546.rs

   1 // build-pass (FIXME(62277): could be check-pass?)
   2 #![allow(dead_code)]
   3 // Regression test for #35546. Check that we are able to codegen
   4 // this. Before we had problems because of the drop glue signature
   5 // around dropping a trait object (specifically, when dropping the
   6 // `value` field of `Node<Send>`).
   7
   8 struct Node<T: ?Sized + Send> {
   9     next: Option<Box<Node<dyn Send>>>,
  10     value: T,
  11 }
  12
  13 fn clear(head: &mut Option<Box<Node<dyn Send>>>) {
  14     match head.take() {
  15         Some(node) => *head = node.next,
  16         None => (),
  17     }
  18 }
  19
  20 fn main() {}