{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"//"}]}
        // (See https://github.com/rust-lang/rust/issues/57447.)
        // Special-case a single layer of referencing, so that things like `5.0 + &6.0f32` work.
        let (lhs_ty, rhs_ty) = (deref_ty_if_possible(lhs_ty), deref_ty_if_possible(rhs_ty));