22 lines
497 B
Rust
22 lines
497 B
Rust
// run-pass
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#![allow(dead_code)]
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// Regression test for #37154: the problem here was that the cache
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// results in a false error because it was caching placeholder results
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// even after those placeholder regions had been popped.
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trait Foo {
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fn method(&self) {}
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}
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struct Wrapper<T>(T);
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impl<T> Foo for Wrapper<T> where for<'a> &'a T: IntoIterator<Item=&'a ()> {}
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fn f(x: Wrapper<Vec<()>>) {
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x.method(); // This works.
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x.method(); // error: no method named `method`
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}
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fn main() { }
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