{"ast_node_type":"variable","tokens":[{"end":49,"kind":"keyword","start":0,"text":"let"}]}
        let lhs = self.deref_ty_if_possible(lhs);
        // Special-case a single layer of referencing, so that things like `5.0 + &6.0f32` work (See rust-lang/rust#57447).
        let rhs = self.deref_ty_if_possible(rhs);