31 lines
1.0 KiB
Rust
31 lines
1.0 KiB
Rust
// Copyright 2016 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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// Simplified regression test for #30438, inspired by arielb1.
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trait Trait { type Out; }
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struct Test<'a> { s: &'a str }
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fn silly<'y, 'z>(_s: &'y Test<'z>) -> &'y <Test<'z> as Trait>::Out where 'z: 'static {
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let x = Test { s: "this cannot last" };
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&x
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//~^ ERROR: `x` does not live long enough
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}
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impl<'b> Trait for Test<'b> { type Out = Test<'b>; }
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fn main() {
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let orig = Test { s: "Hello World" };
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let r = silly(&orig);
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println!("{}", orig.s); // OK since `orig` is valid
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println!("{}", r.s); // Segfault (method does not return a sane value)
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}
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