42 lines
1.2 KiB
Rust
42 lines
1.2 KiB
Rust
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// Copyright 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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// Test an issue where global caching was causing free regions from
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// distinct scopes to be compared (`'g` and `'h`). The only important
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// thing is that compilation succeeds here.
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#![allow(missing_copy_implementations)]
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#![allow(unused_variables)]
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use std::borrow::ToOwned;
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pub struct CFGNode;
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pub type Node<'a> = &'a CFGNode;
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pub trait GraphWalk<'c, N> {
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/// Returns all the nodes in this graph.
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fn nodes(&'c self) where [N]:ToOwned<Vec<N>>;
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}
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impl<'g> GraphWalk<'g, Node<'g>> for u32
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{
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fn nodes(&'g self) where [Node<'g>]:ToOwned<Vec<Node<'g>>>
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{ loop { } }
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}
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impl<'h> GraphWalk<'h, Node<'h>> for u64
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{
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fn nodes(&'h self) where [Node<'h>]:ToOwned<Vec<Node<'h>>>
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{ loop { } }
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}
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fn main() { }
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