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Rollup merge of rust-lang#119323 - lukas-code:test-never-to-infinite, r=compiler-errors add test for coercing never to infinite type Closes rust-lang#113197. This was fixed in rust-lang#118308, probably rust-lang@1978168.
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// build-fail | ||
//~^ ERROR cycle detected when computing layout of `Foo<()>` | ||
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// Regression test for a stack overflow: https://github.com/rust-lang/rust/issues/113197 | ||
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trait A { type Assoc; } | ||
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impl A for () { | ||
type Assoc = Foo<()>; | ||
} | ||
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struct Foo<T: A>(T::Assoc); | ||
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fn main() { | ||
Foo::<()>(todo!()); | ||
} |
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error[E0391]: cycle detected when computing layout of `Foo<()>` | ||
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= note: ...which requires computing layout of `<() as A>::Assoc`... | ||
= note: ...which again requires computing layout of `Foo<()>`, completing the cycle | ||
note: cycle used when elaborating drops for `main` | ||
--> $DIR/recursive-type-coercion-from-never.rs:14:1 | ||
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LL | fn main() { | ||
| ^^^^^^^^^ | ||
= note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information | ||
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error: aborting due to 1 previous error | ||
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For more information about this error, try `rustc --explain E0391`. |
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