21 lines
548 B
Rust
21 lines
548 B
Rust
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//@ revisions: old 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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// When generalizing an alias in a bivariant context, we have to set
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// `has_unconstrained_ty_var` as we may otherwise never check for
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// well-formedness of the generalized type, causing us to error due
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// to ambiguity.
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trait Trait {
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type Assoc;
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}
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struct BivariantArg<I, T: Trait<Assoc = I>>(T);
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fn generalize<T: Trait>(input: BivariantArg<T::Assoc, T>) {
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let _generalized = input;
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}
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pub fn main() {}
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