From 2ba828f36ddad474c984992bde793211746ba8c8 Mon Sep 17 00:00:00 2001
From: Steven Watanabe <steven@providere-consulting.com>
Date: Sun, 5 Sep 2010 23:16:22 +0000
Subject: Tell the VS headers that char16_t and char32_t are keywords, so
 yvals.h doesn't try to define them as typedefs.

llvm-svn: 113126
---
 clang/lib/Frontend/InitPreprocessor.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'clang/lib/Frontend/InitPreprocessor.cpp')

diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 0d07192b50e..181f6710256 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -342,6 +342,10 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
       Builder.defineMacro("_NATIVE_WCHAR_T_DEFINED");
       Builder.append("class type_info;");
     }
+
+    if (LangOpts.CPlusPlus0x) {
+      Builder.defineMacro("_HAS_CHAR16_T_LANGUAGE_SUPPORT", "1");
+    }
   }
 
   if (LangOpts.Optimize)
-- 
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