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Auto merge of #30714 - wesleywiser:fix_29914, r=arielb1

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The issue was that the const evaluator was returning an error because
the feature flag const_indexing wasn't turned on. The error was then
reported as a bug.

Fixes #29914
This commit is contained in:
bors 2016-02-16 17:13:46 +00:00
commit 18f8143530
4 changed files with 53 additions and 8 deletions
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15
src/test/run-pass/issue-29914-2.rs Normal file
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// Copyright 2016 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.
const ARR: [usize; 5] = [5, 4, 3, 2, 1];
fn main() {
assert_eq!(3, ARR[ARR[3]]);
}

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src/test/run-pass/issue-29914-3.rs Normal file
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// Copyright 2016 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.
const ARR: [usize; 5] = [5, 4, 3, 2, 1];
const BLA: usize = ARR[ARR[3]];
fn main() {
assert_eq!(3, BLA);
}

16
src/test/run-pass/issue-29914.rs Normal file
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// Copyright 2016 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(const_indexing)]
const ARR: [usize; 5] = [5, 4, 3, 2, 1];
fn main() {
assert_eq!(3, ARR[ARR[3]]);
}