{"ast_node_type":"import","tokens":[{"end":99,"kind":"keyword","start":0,"text":"//"}]}
                // NOTE: we don't need to & 0xFF for uchar because the result is undefined on zero.
            if arg_type.is_uchar(self.cx) || arg_type.is_ushort(self.cx) || arg_type.is_uint(self.cx) {
                ("__builtin_ctz", self.cx.uint_type)