| // 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, 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); |
| } |
| } |
| } |
