1 files changed, 5 insertions, 2 deletions
diff --git a/src/pass.h b/src/pass.h
index 02cea7879..60d6692a1 100644
--- a/src/pass.h
+++ b/src/pass.h
@@ -259,6 +259,8 @@ struct PassRunner {
   PassRunner(const PassRunner&) = delete;
   PassRunner& operator=(const PassRunner&) = delete;
 
+  virtual ~PassRunner() = default;
+
   // But we can make it easy to create a nested runner
   // TODO: Go through and use this in more places
   explicit PassRunner(const PassRunner* runner)
@@ -341,6 +343,9 @@ struct PassRunner {
   // Returns whether a pass by that name will remove debug info.
   static bool passRemovesDebugInfo(const std::string& name);
 
+protected:
+  virtual void doAdd(std::unique_ptr<Pass> pass);
+
 private:
   // Whether this is a nested pass runner.
   bool isNested = false;
@@ -352,8 +357,6 @@ private:
   // Whether this pass runner has run. A pass runner should only be run once.
   bool ran = false;
 
-  void doAdd(std::unique_ptr<Pass> pass);
-
   void runPass(Pass* pass);
   void runPassOnFunction(Pass* pass, Function* func);