1 files changed, 2 insertions, 0 deletions
diff --git a/lib/DebugInfo/DWARFDebugLine.h b/lib/DebugInfo/DWARFDebugLine.h
index 459bb5f723..e50c4a9e74 100644
--- a/lib/DebugInfo/DWARFDebugLine.h
+++ b/lib/DebugInfo/DWARFDebugLine.h
@@ -148,6 +148,7 @@ public:
     };
 
     State() : row(0) {}
+    virtual ~State();
 
     virtual void appendRowToMatrix(uint32_t offset);
     virtual void finalize(uint32_t offset) { row = DoneParsingLineTable; }
@@ -160,6 +161,7 @@ public:
 
   struct DumpingState : public State {
     DumpingState(raw_ostream &OS) : OS(OS) {}
+    virtual ~DumpingState();
     virtual void finalize(uint32_t offset);
   private:
     raw_ostream &OS;