25 lines
693 B
Rust
25 lines
693 B
Rust
// compile-pass
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// Regression test for #28871. The problem is that rustc encountered
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// two ways to project, one from a where clause and one from the where
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// clauses on the trait definition. (In fact, in this case, the where
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// clauses originated from the trait definition as well.) The true
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// cause of the error is that the trait definition where clauses are
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// not being normalized, and hence the two sources are considered in
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// conflict, and not a duplicate. Hacky solution is to prefer where
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// clauses over the data found in the trait definition.
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trait T {
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type T;
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}
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struct S;
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impl T for S {
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type T = S;
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}
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trait T2 {
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type T: Iterator<Item=<S as T>::T>;
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}
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fn main() { }
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