--- old/src/hotspot/share/classfile/classLoader.hpp	2019-10-03 09:27:22.390117107 -0700
+++ new/src/hotspot/share/classfile/classLoader.hpp	2019-10-03 09:27:22.026111677 -0700
@@ -237,6 +237,8 @@
   CDS_ONLY(static ClassPathEntry* app_classpath_entries() {return _app_classpath_entries;})
   CDS_ONLY(static ClassPathEntry* module_path_entries() {return _module_path_entries;})
 
+  static bool has_bootclasspath_append() { return _first_append_entry != NULL; }
+
  protected:
   // Initialization:
   //   - setup the boot loader's system class path