mirror of https://github.com/rust-lang/rust
22 lines
589 B
Rust
22 lines
589 B
Rust
// Regression test for #102800
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//
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// Here we are generating higher-ranked region constraints when normalizing and relating closure
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// input types. Previously this was an ICE in the error path because we didn't register enough
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// diagnostic information to render the higher-ranked subtyping error.
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//@ check-fail
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trait Trait {
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type Ty;
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}
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impl Trait for &'static () {
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type Ty = ();
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}
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fn main() {
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let _: for<'a> fn(<&'a () as Trait>::Ty) = |_| {};
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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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}
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