src/hotspot/share/gc/shared/c2/barrierSetC2.hpp

@@ -278,8 +278,13 @@
     BeforeOptimize, /* post_parse = true */
     BeforeExpand, /* post_parse = false */
     BeforeCodeGen
   };
   virtual void verify_gc_barriers(Compile* compile, CompilePhase phase) const {}
+
+  virtual bool flatten_gc_alias_type(const TypePtr*& adr_type) const { return false; }
+#ifdef ASSERT
+  virtual bool verify_gc_alias_type(const TypePtr* adr_type, int offset) const { return false; }
+#endif
 };
 
 #endif // SHARE_GC_SHARED_C2_BARRIERSETC2_HPP