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// Copyright 2017 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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#![feature(nll)]
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#![allow(unused_variables)]
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// Regression test for #52078: we were failing to infer a relationship
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// between `'a` and `'b` below due to inference variables introduced
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// during the normalization process.
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//
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// compile-pass
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struct Drain<'a, T: 'a> {
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_marker: ::std::marker::PhantomData<&'a T>,
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}
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trait Join {
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type Value;
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fn get(value: &mut Self::Value);
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}
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impl<'a, T> Join for Drain<'a, T> {
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type Value = &'a mut Option<T>;
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fn get<'b>(value: &'b mut Self::Value) {
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}
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}
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fn main() {
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}
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