mirror of https://github.com/rust-lang/rust
36 lines
883 B
Rust
36 lines
883 B
Rust
// This used to ICE in an earlier iteration of #117164.
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// The normalization performed during orphan checking happens inside an empty ParamEnv and
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// with type parameters mapped to fresh infer vars. Therefore it may fail for example due to
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// unsatisfied bounds while normalization outside of orphan checking succeeds.
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//@ revisions: classic next
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//@[next] compile-flags: -Znext-solver
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//@ check-pass
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//@ aux-crate:foreign=parametrized-trait.rs
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//@ edition:2021
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struct Wrapper<T>(T);
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trait Bound {}
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trait Discard { type Output; }
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impl<T> Discard for Wrapper<T>
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where
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Wrapper<T>: Bound
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{
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type Output = LocalTy;
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}
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struct LocalTy;
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impl<T> foreign::Trait1<LocalTy, T> for <Wrapper<T> as Discard>::Output
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//~^ WARNING type parameter `T` must be covered by another type
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//~| WARNING this was previously accepted by the compiler
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where
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Wrapper<T>: Bound
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{}
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fn main() {}
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