Fixes an obscure bug in importd block variable layout
information when imported variable is used
more than once. Originally though to be a bug in importing
block varibles. Fixes radar 8417746.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113675 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCGNU.cpp b/lib/CodeGen/CGObjCGNU.cpp
index d7960be..0b3e31d 100644
--- a/lib/CodeGen/CGObjCGNU.cpp
+++ b/lib/CodeGen/CGObjCGNU.cpp
@@ -213,7 +213,7 @@
                                       const ObjCInterfaceDecl *Interface,
                                       const ObjCIvarDecl *Ivar);
   virtual llvm::Constant *GCBlockLayout(CodeGen::CodeGenFunction &CGF,
-              const llvm::SmallVectorImpl<const BlockDeclRefExpr *> &) {
+              const llvm::SmallVectorImpl<const Expr *> &) {
     return NULLPtr;
   }
 };