26 lines
617 B
Rust
26 lines
617 B
Rust
//@ check-pass
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//@ revisions: current next
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//[next]@ compile-flags: -Znext-solver
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// Regression test for nalgebra hang <https://github.com/rust-lang/rust/issues/130056>.
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#![feature(lazy_type_alias)]
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#![allow(incomplete_features)]
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type Id<T: ?Sized> = T;
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trait NotImplemented {}
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struct W<T: ?Sized, U: ?Sized>(*const T, *const U);
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trait Trait {
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type Assoc: ?Sized;
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}
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impl<T: ?Sized + Trait> Trait for W<T, T> {
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type Assoc = W<T::Assoc, Id<T::Assoc>>;
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}
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trait Overlap<T: ?Sized> {}
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impl<T: ?Sized> Overlap<T> for W<T, T> {}
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impl<T: ?Sized + Trait + NotImplemented> Overlap<T::Assoc> for T {}
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fn main() {}
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