// 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. // Regression test for #23698: The reassignment checker only cared // about the last assigment in a match arm body // Use an extra function to make sure no extra assignments // are introduced by macros in the match statement fn check_eq(x: i32, y: i32) { assert_eq!(x, y); } #[allow(unused_assignments)] fn main() { let mut x = Box::new(1); match x { y => { x = Box::new(2); let _tmp = 1; // This assignment used to throw off the reassignment checker check_eq(*y, 1); } } }