From afa3c0a875e0cb2968e8fffd3e23a5ff553df321 Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Wed, 4 Aug 2010 18:44:59 +0000
Subject: More objc block variable layout info. work.

llvm-svn: 110239
---
 clang/lib/CodeGen/CGObjCMac.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'clang/lib/CodeGen/CGObjCMac.cpp')

diff --git a/clang/lib/CodeGen/CGObjCMac.cpp b/clang/lib/CodeGen/CGObjCMac.cpp
index b30b44ba87e..fea98ba720c 100644
--- a/clang/lib/CodeGen/CGObjCMac.cpp
+++ b/clang/lib/CodeGen/CGObjCMac.cpp
@@ -1690,8 +1690,12 @@ CGObjCCommonMac::EmitLegacyMessageSend(CodeGen::CodeGenFunction &CGF,
 }
 
 llvm::Constant *CGObjCCommonMac::GCBlockLayout(CodeGen::CodeGenFunction &CGF,
-              const llvm::SmallVectorImpl<const BlockDeclRefExpr *> &BDRE) {
-  return llvm::Constant::getNullValue(llvm::Type::getInt8PtrTy(VMContext));
+              const llvm::SmallVectorImpl<const BlockDeclRefExpr *> &DeclRefs) {
+  llvm::Constant *NullPtr = 
+    llvm::Constant::getNullValue(llvm::Type::getInt8PtrTy(VMContext));
+  if (DeclRefs.empty())
+    return NullPtr;
+  return NullPtr;
 }
 
 llvm::Value *CGObjCMac::GenerateProtocolRef(CGBuilderTy &Builder,
-- 
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