From 0dfeedb3206fe627ab85cf6f9c9f0da6a8faf020 Mon Sep 17 00:00:00 2001
From: Matthew Bennice <mbennice@google.com>
Date: Mon, 25 Sep 2023 20:43:17 -0700
Subject: [PATCH] fix open source build failure by switching C's _Alignof for
 C++'s alignof

PiperOrigin-RevId: 568400917
Change-Id: I90eff5e149d491f181370d72e43fdee9d4a3a20e
---
 test/engine/engine_io_test.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/engine/engine_io_test.cc b/test/engine/engine_io_test.cc
index 668ffda0..8a1c2439 100644
--- a/test/engine/engine_io_test.cc
+++ b/test/engine/engine_io_test.cc
@@ -784,7 +784,7 @@ void* TestFunction(void* args) {
   test_args->stack_output = test_ints[0];
 
   int* test_arena_ints =
-      (int*)mj_arenaAllocByte(test_args->d, sizeof(int) * 10, _Alignof(int));
+      (int*)mj_arenaAllocByte(test_args->d, sizeof(int) * 10, alignof(int));
   test_arena_ints[0] = test_args->input;
   test_args->arena_output = test_arena_ints[0];