[libcxx] r302099 - Fix macro redefinition warnings for _LIBCPP_NO_RTTI

[Eric Fiselier via cfe-commits]

Author: ericwf
Date: Wed May  3 20:06:54 2017
New Revision: 302099

URL: http://llvm.org/viewvc/llvm-project?rev=302099&view=rev
Log:
Fix macro redefinition warnings for _LIBCPP_NO_RTTI

Modified:
    libcxx/trunk/include/__config

Modified: libcxx/trunk/include/__config
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/__config?rev=302099&r1=302098&r2=302099&view=diff
==============================================================================
--- libcxx/trunk/include/__config (original)
+++ libcxx/trunk/include/__config Wed May  3 20:06:54 2017
@@ -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