rust/tests/ui/higher-rank-trait-bounds/normalize-under-binder/norm-before-method-resolution.rs
2023-01-11 09:32:08 +00:00

24 lines
434 B
Rust

// check-fail
// known-bug: #89196
// Should pass, but we normalize and check bounds before we resolve the generics
// of the function (which we know because of the return type).
trait Trait<'a> {
type Out;
}
impl<'a, T> Trait<'a> for T {
type Out = T;
}
fn weird_bound<X>() -> X
where
for<'a> X: Trait<'a>,
for<'a> <X as Trait<'a>>::Out: Copy
{ todo!() }
fn main() {
let _: () = weird_bound();
}