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24 lines
546 B
Rust
24 lines
546 B
Rust
//@ revisions: current next
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//@ ignore-compare-mode-next-solver (explicit revisions)
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//@[next] compile-flags: -Znext-solver
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//@ check-pass
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// A regression test for an edge case of candidate selection
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// in the old trait solver, see #132325 for more details. Unlike
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// the first test, this one has two impl candidates.
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trait Trait<T> {}
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impl Trait<u32> for () {}
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impl Trait<u64> for () {}
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fn impls_trait<T: Trait<U>, U>(_: T) -> U { todo!() }
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fn foo<T>() -> u32
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where
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(): Trait<u32>,
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(): Trait<T>,
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{
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impls_trait(())
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}
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fn main() {}
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