// Copyright 2017 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // 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 loop { let mut inner_void = (); let inner_first = &mut inner_void; let inner_second = &mut inner_void; //~ ERROR cannot borrow } }