warning: unused coroutine that must be used
  --> $DIR/too-live-local-in-immovable-gen.rs:8:22
   |
LL |           #[coroutine] static move || {
   |  ______________________^
LL | |             // Tests that the coroutine transformation finds out that `a` is not live
LL | |             // during the yield expression. Type checking will also compute liveness
LL | |             // and it should also find out that `a` is not live.
...  |
LL | |             let _ = &a;
LL | |         };
   | |_________^
   |
   = note: coroutines are lazy and do nothing unless resumed
   = note: `#[warn(unused_must_use)]` on by default

warning: 1 warning emitted