rust/tests/ui/coroutine/dropck-resume.stderr

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error[E0502]: cannot borrow `y` as immutable because it is also borrowed as mutable
--> $DIR/dropck-resume.rs:26:13
|
LL | let z = &mut y;
| ------ mutable borrow occurs here
...
LL | r = y.as_ref().unwrap();
| ^ immutable borrow occurs here
LL |
LL | }
| - mutable borrow might be used here, when `g` is dropped and runs the destructor for coroutine
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0502`.