ext/libuv/test/echo-server.c in libuv-0.12.2 vs ext/libuv/test/echo-server.c in libuv-0.12.3

@@ -117,11 +117,12 @@
       }
     }
   }
 
   wr = (write_req_t*) malloc(sizeof *wr);
-
+  ASSERT(wr != NULL);
   wr->buf = uv_buf_init(buf->base, nread);
+
   if (uv_write(&wr->req, handle, &wr->buf, 1, after_write)) {
     FATAL("uv_write failed");
   }
 }