--- old/src/hotspot/share/memory/filemap.hpp	2018-05-11 18:01:23.712247133 -0400
+++ new/src/hotspot/share/memory/filemap.hpp	2018-05-11 18:01:22.420172605 -0400
@@ -56,8 +56,8 @@
   void metaspace_pointers_do(MetaspaceClosure* it);
   bool validate(bool is_class_path = true);
 
-  // The _timestamp only gets set for jar files and "modules" jimage.
-  bool is_jar_or_bootimage() {
+  // The _timestamp only gets set for jar files.
+  bool has_timestamp() {
     return _timestamp != 0;
   }
   bool is_dir() { return _is_dir; }