Assert that a single scope is passed to `for_scope` Addresses https://github.com/rust-lang/rust/pull/118518#issuecomment-1903680468 r? ``@michaelwoerister``
Assert that a single scope is passed to `for_scope` Addresses https://github.com/rust-lang/rust/pull/118518#issuecomment-1903680468 r? ``@michaelwoerister``