2 files changed, 30 insertions, 0 deletions
diff --git a/cpp/include/Ice/Stream.h b/cpp/include/Ice/Stream.h
index e40c6ead949..21b53d9cb24 100644
--- a/cpp/include/Ice/Stream.h
+++ b/cpp/include/Ice/Stream.h
@@ -78,6 +78,9 @@ public:
 
 protected:
 
+    virtual void __writeImpl(::IceInternal::BasicStream*) const;
+    virtual void __readImpl(::IceInternal::BasicStream*);
+
     const CommunicatorPtr _communicator;
 };
 
@@ -409,6 +412,9 @@ public:
 
 protected:
 
+    virtual void __writeImpl(::IceInternal::BasicStream*) const;
+    virtual void __readImpl(::IceInternal::BasicStream*);
+
     const CommunicatorPtr _communicator;
 };
 
diff --git a/cpp/src/Ice/Stream.cpp b/cpp/src/Ice/Stream.cpp
index 3ff69d76bac..58d98324113 100644
--- a/cpp/src/Ice/Stream.cpp
+++ b/cpp/src/Ice/Stream.cpp
@@ -15,3 +15,27 @@ using namespace IceInternal;
 
 IceUtil::Shared* Ice::upCast(InputStream* p) { return p; }
 IceUtil::Shared* Ice::upCast(OutputStream* p) { return p; }
+
+void
+Ice::UserExceptionReader::__writeImpl(::IceInternal::BasicStream*) const
+{
+    assert(false); // Should never be called.
+}
+
+void
+Ice::UserExceptionReader::__readImpl(::IceInternal::BasicStream*)
+{
+    assert(false); // Should never be called.
+}
+
+void
+Ice::UserExceptionWriter::__writeImpl(::IceInternal::BasicStream*) const
+{
+    assert(false); // Should never be called.
+}
+
+void
+Ice::UserExceptionWriter::__readImpl(::IceInternal::BasicStream*)
+{
+    assert(false); // Should never be called.
+}