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//@ check-pass
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//@ pretty-expanded FIXME #23616
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trait I { fn i(&self) -> Self; }
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trait A<T:I> {
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fn id(x:T) -> T { x.i() }
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}
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trait J<T> { fn j(&self) -> T; }
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trait B<T:J<T>> {
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fn id(x:T) -> T { x.j() }
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}
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trait C {
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fn id<T:J<T>>(x:T) -> T { x.j() }
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}
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pub fn main() { }
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