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Rollup merge of rust-lang#33339 - oli-obk:fix/const_eval, r=japaric
fix various const eval errors These were found after const_evaluating arbitrary expressions and linting if the const evaluator failed fixes rust-lang#33275 (int -> float casts for negative ints) fixes rust-lang#33291 (int -> char casts (new! wasn't allowed in constants until this PR)) r? @eddyb cc @bluss @japaric
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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. | ||
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// check for const_err regressions | ||
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#![deny(const_err)] | ||
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fn main() { | ||
let _ = ((-1 as i8) << 8 - 1) as f32; | ||
let _ = 0u8 as char; | ||
} |