{"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"(&ty::Ref(_,"}]}
        (&ty::Ref(_, a, _), &ty::Ref(_, b, _))
    match (&src_layout.ty.kind(), &dst_layout.ty.kind()) {
        | (&ty::Ref(_, a, _), &ty::RawPtr(b, _))