| // check-pass | |
| // rust-lang/rust#68590: confusing diagnostics when reborrowing through DerefMut. | |
| use std::cell::RefCell; | |
| struct A; | |
| struct S<'a> { | |
| a: &'a mut A, | |
| } | |
| fn take_a(_: &mut A) {} | |
| fn test<'a>(s: &RefCell<S<'a>>) { | |
| let mut guard = s.borrow_mut(); | |
| take_a(guard.a); | |
| let _s2 = S { a: guard.a }; | |
| } | |
| fn main() { | |
| let a = &mut A; | |
| let s = RefCell::new(S { a }); | |
| test(&s); | |
| } |