diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 743bf94..d0f184f 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -664,6 +664,7 @@
   void EmitCXXDeleteExpr(const CXXDeleteExpr *E);
 
   llvm::Value* EmitCXXTypeidExpr(const CXXTypeidExpr *E);
+  llvm::Value *EmitDynamicCast(llvm::Value *V, const CXXDynamicCastExpr *DCE);
 
   //===--------------------------------------------------------------------===//
   //                            Declaration Emission