From fdd6aaf16279c6141da929c1207c15be9b2551ee Mon Sep 17 00:00:00 2001
From: Steve Naroff <snaroff@apple.com>
Date: Fri, 4 Dec 2009 21:29:41 +0000
Subject: [PATCH] Integrate the following from the 'objective-rewrite' branch:

http://llvm.org/viewvc/llvm-project?view=rev&revision=70926



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90596 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Frontend/InitPreprocessor.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp
index a9ca762cc1..c1fc92d3b0 100644
--- a/lib/Frontend/InitPreprocessor.cpp
+++ b/lib/Frontend/InitPreprocessor.cpp
@@ -362,6 +362,9 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
     DefineBuiltinMacro(Buf, "__int16=__INT16_TYPE__");
     DefineBuiltinMacro(Buf, "__int32=__INT32_TYPE__");
     DefineBuiltinMacro(Buf, "__int64=__INT64_TYPE__");
+    // Both __PRETTY_FUNCTION__ and __FUNCTION__ are GCC extensions, however
+    // VC++ appears to only like __FUNCTION__.
+    DefineBuiltinMacro(Buf, "__PRETTY_FUNCTION__=__FUNCTION__");
     // Work around some issues with Visual C++ headerws.
     if (LangOpts.CPlusPlus) {
       // Since we define wchar_t in C++ mode.