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25 lines
555 B
Rust
25 lines
555 B
Rust
//@ check-pass
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// Regression test for <https://github.com/rust-lang/rust/issues/123303>.
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// This time EXCEPT without `dyn` builtin bounds :^)
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pub trait Trait: Supertrait {}
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trait Impossible {}
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impl<F: ?Sized + Impossible> Trait for F {}
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pub trait Supertrait {}
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impl<T: ?Sized + Trait + Impossible> Supertrait for T {}
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fn needs_supertrait<T: ?Sized + Supertrait>() {}
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fn needs_trait<T: ?Sized + Trait>() {}
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struct A;
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impl Trait for A where A: Supertrait {}
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impl Supertrait for A {}
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fn main() {
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needs_supertrait::<A>();
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needs_trait::<A>();
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}
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