95ff642797
Done with ```bash sd '//@ pretty-expanded.*\n' '' tests/ui/**/*.rs ``` and ``` sd '//@pretty-expanded.*\n' '' tests/ui/**/*.rs ```
31 lines
603 B
Rust
31 lines
603 B
Rust
//@ run-pass
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// Test stack overflow triggered by evaluating the implications. To be
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// WF, the type `Receipt<Complete>` would require that `<Complete as
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// Async>::Cancel` be WF. This normalizes to `Receipt<Complete>`
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// again, leading to an infinite cycle. Issue #23003.
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#![allow(dead_code)]
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#![allow(unused_variables)]
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use std::marker::PhantomData;
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trait Async {
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type Cancel;
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}
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struct Receipt<A:Async> {
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marker: PhantomData<A>,
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}
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struct Complete {
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core: Option<()>,
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}
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impl Async for Complete {
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type Cancel = Receipt<Complete>;
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}
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fn foo(r: Receipt<Complete>) { }
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fn main() { }
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