{"ast_node_type":"variable","tokens":[{"end":75,"kind":"keyword","start":0,"text":"let"}]}
                let cmp = bx.icmp(IntPredicate::IntEQ, discr_value, llval);
                let llval = bx.const_uint_big(switch_llty, test_value);
                bx.cond_br_with_expect(cmp, lltarget, llotherwise, expect);