tests that #39963 is fixed on MIR borrowck
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// 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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// Test case from #39963.
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#![feature(nll)]
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#[derive(Clone)]
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struct Foo(Option<Box<Foo>>, Option<Box<Foo>>);
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fn test(f: &mut Foo) {
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match *f {
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Foo(Some(ref mut left), Some(ref mut right)) => match **left {
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Foo(Some(ref mut left), Some(ref mut right)) => panic!(),
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_ => panic!(),
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},
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_ => panic!(),
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}
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}
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fn main() {
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}
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