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23 lines
515 B
Rust
23 lines
515 B
Rust
// Regression test for #47470: cached results of projections were
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// causing region relations not to be enforced at all the places where
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// they have to be enforced.
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struct Foo<'a>(&'a ());
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trait Bar {
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type Assoc;
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fn get(self) -> Self::Assoc;
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}
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impl<'a> Bar for Foo<'a> {
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type Assoc = &'a u32;
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fn get(self) -> Self::Assoc {
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let local = 42;
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&local //~ ERROR cannot return reference to local variable `local`
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}
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}
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fn main() {
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let f = Foo(&()).get();
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println!("{}", f);
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}
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