Implicit receivers hierarchy for deserialized classes

compiler/frontend/serialization/src/org/jetbrains/jet/descriptors/serialization/descriptors/DeserializedClassDescriptor.java

@@ -381,6 +381,12 @@ public class DeserializedClassDescriptor extends ClassDescriptorBase implements
             }
         }
 
+        @Nullable
+        @Override
+        protected ReceiverParameterDescriptor getImplicitReceiver() {
+            return classDescriptor.getThisAsReceiverParameter();
+        }
+
         @Nullable
         @Override
         protected ClassifierDescriptor getClassDescriptor(@NotNull Name name) {

compiler/frontend/serialization/src/org/jetbrains/jet/descriptors/serialization/descriptors/DeserializedMemberScope.java

@@ -239,9 +239,16 @@ public abstract class DeserializedMemberScope implements JetScope {
     @NotNull
     @Override
     public List<ReceiverParameterDescriptor> getImplicitReceiversHierarchy() {
-        throw new UnsupportedOperationException("Should not be called");
+        ReceiverParameterDescriptor receiver = getImplicitReceiver();
+        if (receiver != null) {
+            return Collections.singletonList(receiver);
+        }
+        return Collections.emptyList();
     }
 
+    @Nullable
+    protected abstract ReceiverParameterDescriptor getImplicitReceiver();
+
     @NotNull
     @Override
     public Collection<DeclarationDescriptor> getOwnDeclaredDescriptors() {