{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"bug!(\"TyAndLayout::scalar_pair_element_llty({:?}):"}]}
            bug!("TyAndLayout::scalar_pair_element_llty({:?}): not applicable", self);
        let BackendRepr::ScalarPair(a, b) = self.backend_repr else {
        };