Index: lldb/trunk/source/Plugins/SymbolFile/DWARF/DIERef.cpp
===================================================================
--- lldb/trunk/source/Plugins/SymbolFile/DWARF/DIERef.cpp
+++ lldb/trunk/source/Plugins/SymbolFile/DWARF/DIERef.cpp
@@ -65,7 +65,7 @@
   //
   // SymbolFileDWARFDwo sets the ID to the compile unit offset.
   //----------------------------------------------------------------------
-  if (dwarf)
+  if (dwarf && die_offset != DW_INVALID_OFFSET)
     return dwarf->GetID() | die_offset;
   else
     return LLDB_INVALID_UID;