mirror of https://github.com/rust-lang/rust
14 lines
410 B
Rust
14 lines
410 B
Rust
// https://github.com/rust-lang/rust/issues/73481
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// This test used to cause unsoundness, since one of the two possible
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// resolutions was chosen at random instead of erroring due to conflicts.
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#![feature(type_alias_impl_trait)]
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type Y<A, B> = impl std::fmt::Debug;
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fn g<A, B>() -> (Y<A, B>, Y<B, A>) {
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(42_i64, 60) //~ ERROR concrete type differs from previous defining opaque type use
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}
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fn main() {}
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