objective-C blocks: Provide layout map for byref

variables captured in a block. // rdar://12184410

llvm-svn: 167931

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CGObjCGNU.cpp b/clang/lib/CodeGen/CGObjCGNU.cpp
index 68d234dde6e..df73abc0600 100644
--- a/clang/lib/CodeGen/CGObjCGNU.cpp
+++ b/clang/lib/CodeGen/CGObjCGNU.cpp
@@ -537,6 +537,12 @@ public:
                                              const CGBlockInfo &blockInfo) {
     return NULLPtr;
   }
+  
+  virtual llvm::Constant *BuildByrefLayout(CodeGenModule &CGM,
+                                           QualType T) {
+    return NULLPtr;
+  }
+  
   virtual llvm::GlobalVariable *GetClassGlobal(const std::string &Name) {
     return 0;
   }