5724dad82e
Lone breaks outside of loops create errors in the loop check pass but as they are not fatal, compilation continues. MIR building code assumes all HIR break statements to point to valid locations and fires ICEs if this assumption is violated. In normal compilation, this causes no issues, as code apparently prevents MIR from being built if errors are present. However, before that, typecheck runs and with it MIR const eval. Here we operate differently from normal compilation: it doesn't check for any errors except for type checker ones and then directly builds the MIR. This constellation causes an ICE-on-error if bogus break statements are being put into array length expressions. This commit fixes this ICE by letting typecheck fail if bogus break statements are encountered. This way, MIR const eval fails cleanly with a type check error. Fixes #50576 Fixes #50581
17 lines
606 B
Rust
17 lines
606 B
Rust
// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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fn main() {
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|bool: [u8; break 'L]| 0;
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//~^ ERROR [E0426]
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//~| ERROR [E0268]
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Vec::<[u8; break]>::new(); //~ ERROR [E0268]
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}
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