mirror of https://github.com/rust-lang/rust
26 lines
405 B
Rust
26 lines
405 B
Rust
//@ 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);
|
|
}
|