[libcxx] r337027 - Shot in the dark to fix gcc 4.9 / c++11 build

[Marshall Clow via cfe-commits]

Author: marshall
Date: Fri Jul 13 10:24:59 2018
New Revision: 337027

URL: http://llvm.org/viewvc/llvm-project?rev=337027&view=rev
Log:
Shot in the dark to fix gcc 4.9 / c++11 build


Modified:
    libcxx/trunk/include/__config

Modified: libcxx/trunk/include/__config
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/__config?rev=337027&r1=337026&r2=337027&view=diff
==============================================================================
--- libcxx/trunk/include/__config (original)
+++ libcxx/trunk/include/__config Fri Jul 13 10:24:59 2018
@@ -1024,10 +1024,10 @@ template <unsigned> struct __static_asse
 #endif
 
 #ifndef _LIBCPP_CONSTEXPR_IF_NODEBUG
-#if !defined(_LIBCPP_DEBUG) && _LIBCPP_STD_VER >= 14
-#define _LIBCPP_CONSTEXPR_IF_NODEBUG constexpr
-#else
+#if defined(_LIBCPP_DEBUG) || _LIBCPP_HAS_NO_CXX14_CONSTEXPR
 #define _LIBCPP_CONSTEXPR_IF_NODEBUG
+#else
+#define _LIBCPP_CONSTEXPR_IF_NODEBUG constexpr
 #endif
 #endif