// Copyright 2015 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. #![feature(rustc_attrs)] #![allow(dead_code)] fn main() { #![rustc_error] // rust-lang/rust#49855 let mut x = 33; let p = &x; x = 22; //~ ERROR cannot assign to `x` because it is borrowed [E0506] }