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b039eaaf | 1 | // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT |
223e47cc LB |
2 | // file at the top-level directory of this distribution and at |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
b039eaaf | 11 | // This used to segfault #30081 |
223e47cc | 12 | |
b039eaaf SL |
13 | pub enum Instruction { |
14 | Increment(i8), | |
15 | Loop(Box<Box<()>>), | |
223e47cc LB |
16 | } |
17 | ||
223e47cc | 18 | fn main() { |
b039eaaf SL |
19 | let instrs: Option<(u8, Box<Instruction>)> = None; |
20 | instrs.into_iter() | |
21 | .map(|(_, instr)| instr) | |
22 | .map(|instr| match *instr { _other => {} }) | |
23 | .last(); | |
223e47cc | 24 | } |