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// ensure borrowck messages are correct outside special case
#![feature(rustc_attrs)]
fn main() { #![rustc_error] // rust-lang/rust#49855
let mut void = ();
let first = &mut void;
let second = &mut void; //~ ERROR cannot borrow
first.use_mut();
second.use_mut();
loop {
let mut inner_void = ();
let inner_first = &mut inner_void;
let inner_second = &mut inner_void; //~ ERROR cannot borrow
inner_second.use_mut();
inner_first.use_mut();
}
}
trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } }
impl<T> Fake for T { }
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