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// run-pass #![allow(dead_code)] #![allow(unused_variables)] // pretty-expanded FIXME #23616 trait U {} trait T<X: U> { fn get(self) -> X; } trait S2<Y: U> { fn m(x: Box<dyn T<Y>+'static>) {} } struct St<X: U> { f: Box<dyn T<X>+'static>, } impl<X: U> St<X> { fn blah() {} } fn main() {}