{"ast_node_type":"variable","tokens":[{"end":100,"kind":"keyword","start":0,"text":"let"}]}
            let result = self.current_func().new_local(self.location, self.int_type, "icmp_result");
            // https://github.com/llvm-mirror/compiler-rt/blob/f0745e8476f069296a7c71accedd061dce4cdf79/lib/builtins/cmpti2.c#L21
            let block1 = self.current_func().new_block("block1");