mirror of https://github.com/rust-lang/rust
24 lines
651 B
Rust
24 lines
651 B
Rust
// Regression test for #59311. The test is taken from
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// rust-lang/rust/issues/71546#issuecomment-620638437
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// as they seem to have the same cause.
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// FIXME: It's not clear that this code ought to report
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// an error, but the regression test is here to ensure
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// that it does not ICE. See discussion on #74889 for details.
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pub trait Trait {
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fn t<F: Fn()>(&self, _: F) {}
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}
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pub fn crash<V>(v: &V)
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where
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for<'a> &'a V: Trait + 'static,
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{
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v.t(|| {});
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//~^ ERROR: implementation of `Trait` is not general enough
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//~| ERROR: implementation of `Trait` is not general enough
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//~| ERROR: higher-ranked lifetime error
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}
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fn main() {}
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