1 files changed, 12 insertions, 0 deletions
diff --git a/source/Plugins/SymbolFile/DWARF/DIERef.h b/source/Plugins/SymbolFile/DWARF/DIERef.h
index a5484db6bd6c..3df07d511749 100644
--- a/source/Plugins/SymbolFile/DWARF/DIERef.h
+++ b/source/Plugins/SymbolFile/DWARF/DIERef.h
@@ -33,6 +33,18 @@ struct DIERef
     lldb::user_id_t
     GetUID() const;
 
+    bool
+    operator< (const DIERef &ref) const
+    {
+        return die_offset < ref.die_offset;
+    }
+
+    bool
+    operator< (const DIERef &ref)
+    {
+        return die_offset < ref.die_offset;
+    }
+
     dw_offset_t cu_offset;
     dw_offset_t die_offset;
 };