{"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"let"}]}
                let msb_cc = fx.bcx.ins().icmp_imm(intcc, lhs_msb, rhs_msb);
                let lsb_cc = fx.bcx.ins().icmp_imm(intcc, lhs_lsb, rhs_lsb);