--- a/src/hotspot/share/oops/instanceKlass.hpp	Mon May 21 18:44:09 2018 -0700
+++ b/src/hotspot/share/oops/instanceKlass.hpp	Mon May 21 21:27:12 2018 -0700
@@ -326,6 +326,10 @@
     return (_misc_flags & _misc_is_shared_app_class) != 0;
   }
 
+  void clear_class_loader_type() {
+    _misc_flags &= ~loader_type_bits();
+  }
+
   void set_class_loader_type(s2 loader_type) {
     switch (loader_type) {
     case ClassLoader::BOOT_LOADER: