From ca57b1475e164028442c8c44bc1c02ee042b402d Mon Sep 17 00:00:00 2001
From: Eric Fiselier <eric@efcs.ca>
Date: Thu, 4 May 2017 01:06:54 +0000
Subject: [PATCH] Fix macro redefinition warnings for _LIBCPP_NO_RTTI

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@302099 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/__config | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/__config b/include/__config
index ee4686049..598015c7f 100644
--- a/include/__config
+++ b/include/__config
@@ -314,7 +314,7 @@ typedef __char32_t char32_t;
 #define _LIBCPP_NO_EXCEPTIONS
 #endif
 
-#if !(__has_feature(cxx_rtti))
+#if !(__has_feature(cxx_rtti)) && !defined(_LIBCPP_NO_RTTI)
 #define _LIBCPP_NO_RTTI
 #endif