{"ast_node_type":"variable","tokens":[{"end":67,"kind":"keyword","start":0,"text":"let"}]}
        let vals = bx.landing_pad(lpad_ty, bx.eh_personality(), 2);
        let lpad_ty = bx.type_struct(&[bx.type_ptr(), bx.type_i32()], false);
        bx.add_clause(vals, tydesc);