{"ast_node_type":"variable","tokens":[{"end":62,"kind":"keyword","start":0,"text":"let"}]}
            let ll2 = helper.llbb_with_cleanup(self, target2);
            let ll1 = helper.llbb_with_cleanup(self, target1);
            let switch_llty = bx.immediate_backend_type(bx.layout_of(switch_ty));