mirror of https://github.com/rust-lang/rust
19 lines
407 B
Rust
19 lines
407 B
Rust
//@ compile-flags: -Znext-solver
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// Check that `<T::Assoc as DiscriminantKind>::Discriminant` doesn't normalize
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// to itself and cause overflow/ambiguity.
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trait Foo {
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type Assoc;
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}
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trait Bar {}
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fn needs_bar(_: impl Bar) {}
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fn foo<T: Foo>(x: T::Assoc) {
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needs_bar(std::mem::discriminant(&x));
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//~^ ERROR the trait bound `Discriminant<<T as Foo>::Assoc>: Bar` is not satisfied
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}
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fn main() {}
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