d7ccea6c1c
This pass causes mis-optimizations in some cases and is probably no longer really important for us, so let's disable it for now. Fixes #30081
25 lines
768 B
Rust
25 lines
768 B
Rust
// Copyright 2012-2015 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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// This used to segfault #30081
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pub enum Instruction {
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Increment(i8),
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Loop(Box<Box<()>>),
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}
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fn main() {
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let instrs: Option<(u8, Box<Instruction>)> = None;
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instrs.into_iter()
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.map(|(_, instr)| instr)
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.map(|instr| match *instr { _other => {} })
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.last();
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}
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