From e337fb07903e53fdc694e48cd109d91788f82e2e Mon Sep 17 00:00:00 2001
From: Eric Fiselier <eric@efcs.ca>
Date: Fri, 14 Feb 2020 16:38:16 +0100
Subject: [PATCH] add type_traits include as required for
 std::integral_constant

---
 libcxx/include/typeinfo | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libcxx/include/typeinfo b/libcxx/include/typeinfo
index 27601769a83b..74813cc5016d 100644
--- a/libcxx/include/typeinfo
+++ b/libcxx/include/typeinfo
@@ -60,6 +60,7 @@ public:
 #include <exception>
 #include <cstddef>
 #include <cstdint>
+#include <type_traits>
 #ifdef _LIBCPP_NO_EXCEPTIONS
 #include <cstdlib>
 #endif