Merge pull request #2320 from NervanaSystems/krovatkin/memory_bug_fix1

Disable parameter propagation in MemoryLayout

src/ngraph/pass/memory_layout.cpp

@@ -68,8 +68,10 @@ bool pass::MemoryLayout::run_on_function(shared_ptr<ngraph::Function> function)
                         // Non-destructive kernels can pass through if memory sharing is disabled
                         if ((node->liveness_free_list.count(input) != 0 ||
                              std::dynamic_pointer_cast<op::GetOutputElement>(node) ||
-                             (m_disable_memory_sharing && !oi_pair.destructive)) &&
+                             (m_disable_memory_sharing && !oi_pair.destructive &&
+                              !input_node->is_parameter() && !input_node->is_constant())) &&
                             node->liveness_new_list.count(output) != 0)
+
                         {
                             NGRAPH_DEBUG << "Reusing " << input->get_name() << " for "
                                          << output->get_name();