[lldb/Interpreter] Pacify -Wnon-virtual-dtor

diff --git a/lldb/unittests/Interpreter/TestOptionValue.cpp b/lldb/unittests/Interpreter/TestOptionValue.cpp
index a059b9c..b31422e 100644 (file)
--- a/lldb/unittests/Interpreter/TestOptionValue.cpp
+++ b/lldb/unittests/Interpreter/TestOptionValue.cpp
@@ -14,6 +14,7 @@ using namespace lldb_private;
 
 class Callback {
 public:
+  virtual ~Callback() = default;
   virtual void Invoke() const {}
   void operator()() const { Invoke(); }
 };