Index: include/lldb/Target/Process.h
===================================================================
--- include/lldb/Target/Process.h
+++ include/lldb/Target/Process.h
@@ -3258,6 +3258,12 @@
     
     bool
     ProcessIOHandlerIsActive ();
+
+    bool
+    ProcessIOHandlerExists () const
+    {
+        return static_cast<bool>(m_process_input_reader);
+    }
     
     Error
     HaltForDestroyOrDetach(lldb::EventSP &exit_event_sp);
Index: source/Core/Debugger.cpp
===================================================================
--- source/Core/Debugger.cpp
+++ source/Core/Debugger.cpp
@@ -1519,7 +1519,7 @@
             StreamFileSP error_stream_sp (GetOutputFile());
             bool top_io_handler_hid = false;
 
-            if (process_sp->ProcessIOHandlerIsActive() == false)
+            if (process_sp->ProcessIOHandlerExists() && process_sp->ProcessIOHandlerIsActive() == false)
                 top_io_handler_hid = HideTopIOHandler();
 
             if (output_stream.GetSize())