// 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. // revisions: ast mir //[mir]compile-flags: -Z borrowck=mir static NUM: i32 = 18; fn main() { NUM = 20; //[ast]~ ERROR E0594 //[mir]~^ ERROR cannot assign to immutable static item `NUM` }