Fixup codegen for nested blocks that use copy/dispose in the inner
blocks, so that the outer blocks use it as well.  Radar 6762279


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68811 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBlocks.h b/lib/CodeGen/CGBlocks.h
index 3eca891..58276c2 100644
--- a/lib/CodeGen/CGBlocks.h
+++ b/lib/CodeGen/CGBlocks.h
@@ -183,14 +183,14 @@
   ImplicitParamDecl *getBlockStructDecl() { return BlockStructDecl; }
 
   llvm::Constant *GenerateCopyHelperFunction(bool, const llvm::StructType *,
-                                             std::vector<HelperInfo> &);
+                                             std::vector<HelperInfo> *);
   llvm::Constant *GenerateDestroyHelperFunction(bool, const llvm::StructType *,
-                                                std::vector<HelperInfo> &);
+                                                std::vector<HelperInfo> *);
 
   llvm::Constant *BuildCopyHelper(const llvm::StructType *,
-                                  std::vector<HelperInfo> &);
+                                  std::vector<HelperInfo> *);
   llvm::Constant *BuildDestroyHelper(const llvm::StructType *,
-                                     std::vector<HelperInfo> &);
+                                     std::vector<HelperInfo> *);
 
   llvm::Constant *GeneratebyrefCopyHelperFunction(const llvm::Type *, int flag);
   llvm::Constant *GeneratebyrefDestroyHelperFunction(const llvm::Type *T, int);