rust/tests/ui/traits/trait-upcasting/normalization.rs

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// check-pass
// issue: 114113
// revisions: current next
//[next] compile-flags: -Ztrait-solver=next
#![feature(trait_upcasting)]
trait Mirror {
type Assoc;
}
impl<T> Mirror for T {
type Assoc = T;
}
trait Bar<T> {}
trait Foo<T>: Bar<<T as Mirror>::Assoc> {}
fn upcast<T>(x: &dyn Foo<T>) -> &dyn Bar<T> { x }
fn main() {}