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Rollup merge of #52058 - davidtwco:issue-51345, r=nikomatsakis

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Use of unimplemented!() causing ICE with NLL

Fixes #51345.

r? @nikomatsakis
This commit is contained in:
Mark Rousskov 2018-07-06 21:29:12 -06:00 • committed by GitHub
commit b71b92199c
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4 changed files with 70 additions and 41 deletions
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18
src/test/run-fail/issue-51345.rs Normal file
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// Copyright 2012 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.
// error-pattern: thread 'main' panicked at 'explicit panic'
#![feature(nll)]
fn main() {
let mut vec = vec![];
vec.push((vec.len(), panic!()));
}

17
src/test/run-pass/issue-51345.rs Normal file
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// Copyright 2012 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.
#![feature(nll)]
fn main() {
let mut v = Vec::new();
loop { v.push(break) }
}