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// check-pass // revisions: current next //[next] compile-flags: -Ztrait-solver=next trait Foo { type Bar<'a> where Self: Sized; fn test(&self); } impl Foo for () { type Bar<'a> = () where Self: Sized; fn test(&self) {} } fn test(x: &dyn Foo) { x.test(); } fn main() { test(&()); }