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External spans: Added a test for #38875.
A bug has been discovered and fixed in the process.
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// Copyright 2017 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. | ||
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pub const FOO: usize = *&0; |
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// Copyright 2017 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. | ||
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// aux-build:issue_38875_b.rs | ||
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extern crate issue_38875_b; | ||
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fn main() { | ||
let test_x = [0; issue_38875_b::FOO]; | ||
} |
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error[E0080]: constant evaluation error | ||
--> $DIR/auxiliary/issue_38875_b.rs:11:24 | ||
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11 | pub const FOO: usize = *&0; | ||
| ^^^ unimplemented constant expression: deref operation | ||
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note: for repeat count here | ||
--> $DIR/issue_38875.rs:16:22 | ||
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16 | let test_x = [0; issue_38875_b::FOO]; | ||
| ^^^^^^^^^^^^^^^^^^ | ||
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error: aborting due to previous error(s) | ||
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