From ecef76ccb07f4b0addbba7af05b39966710f9ee0 Mon Sep 17 00:00:00 2001
From: Louis Dionne <ldionne.2@gmail.com>
Date: Mon, 29 Jan 2024 11:13:11 -0500
Subject: [PATCH] [libc++] Avoid including libc++ private header in std/ test

Fixes #79783
---
 .../sequences/array/size_and_alignment.compile.pass.cpp      | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libcxx/test/std/containers/sequences/array/size_and_alignment.compile.pass.cpp b/libcxx/test/std/containers/sequences/array/size_and_alignment.compile.pass.cpp
index b7fb40c988678..209e24964807d 100644
--- a/libcxx/test/std/containers/sequences/array/size_and_alignment.compile.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/size_and_alignment.compile.pass.cpp
@@ -22,7 +22,10 @@
 #include <array>
 #include <cstddef>
 #include <type_traits>
-#include <__type_traits/datasizeof.h>
+
+#ifdef _LIBCPP_VERSION
+#  include <__type_traits/datasizeof.h>
+#endif
 
 #include "test_macros.h"