{"ast_node_type":"variable","tokens":[{"end":78,"kind":"keyword","start":0,"text":"let"}]}
                    let typ1 = ptr_layout.scalar_pair_element_gcc_type(cx, 0);
                    let ptr_layout = cx.layout_of(ptr_ty);
                    let typ2 = ptr_layout.scalar_pair_element_gcc_type(cx, 1);