src/test/run-pass/drop/nondrop-cycle.rs

   1 // run-pass
   2 // pretty-expanded FIXME #23616
   3
   4 use std::cell::Cell;
   5
   6 struct C<'a> {
   7     p: Cell<Option<&'a C<'a>>>,
   8 }
   9
  10 impl<'a> C<'a> {
  11     fn new() -> C<'a> { C { p: Cell::new(None) } }
  12 }
  13
  14 fn f1() {
  15     let (c1, c2) = (C::new(), C::new());
  16     c1.p.set(Some(&c2));
  17     c2.p.set(Some(&c1));
  18 }
  19
  20 fn f2() {
  21     let (c1, c2);
  22     c1 = C::new();
  23     c2 = C::new();
  24     c1.p.set(Some(&c2));
  25     c2.p.set(Some(&c1));
  26 }
  27
  28 fn main() {
  29     f1();
  30     f2();
  31 }