26 lines
598 B
Rust
26 lines
598 B
Rust
//@ revisions: current next
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//@[next] compile-flags: -Znext-solver
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//@ ignore-compare-mode-next-solver (explicit revisions)
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//@ check-pass
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// Regression test for trait-system-refactor-initiative#205. Avoid constraining
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// the opaque type when applying blanket impls.
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trait Trait<T> {}
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impl<T> Trait<T> for T {}
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impl Trait<u32> for u64 {}
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fn impls_trait<T: Trait<U>, U>() -> T {
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todo!()
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}
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fn foo() -> impl Sized {
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if false {
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// `opaque: Trait<u32>` shouldn't constrain `opaque` to `u32` via the blanket impl
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return impls_trait::<_, u32>();
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}
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1u64
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}
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fn main() {}
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