// 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. // Test to ensure we only report an error for the first issued loan that // conflicts with a new loan, as opposed to every issued loan. This keeps us // down to O(n) errors (for n problem lines), instead of O(n^2) errors. fn main() { let mut x = 1; let mut addr; loop { match 1 { 1 => { addr = &mut x; } //~^ ERROR cannot borrow `x` as mutable more than once at a time //~| ERROR cannot borrow `x` as mutable more than once at a time 2 => { addr = &mut x; } //~^ ERROR cannot borrow `x` as mutable more than once at a time _ => { addr = &mut x; } //~^ ERROR cannot borrow `x` as mutable more than once at a time } } }