mirror of https://github.com/rust-lang/rust
24 lines
536 B
Rust
24 lines
536 B
Rust
//@ compile-flags: -Znext-solver
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// Check that we consider the reached depth of global cache
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// entries when detecting overflow. We would otherwise be unstable
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// wrt to incremental compilation.
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#![recursion_limit = "9"]
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trait Trait {}
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struct Inc<T>(T);
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impl<T: Trait> Trait for Inc<T> {}
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impl Trait for () {}
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fn impls_trait<T: Trait>() {}
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type Four<T> = Inc<Inc<Inc<Inc<T>>>>;
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fn main() {
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impls_trait::<Four<Four<()>>>();
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impls_trait::<Four<Four<Four<Four<()>>>>>();
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//~^ ERROR overflow evaluating the requirement
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}
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