src/java.base/share/classes/jdk/internal/access/JavaLangInvokeAccess.java

@@ -60,10 +60,16 @@
      /**
       * Returns true if the given flags has MN_HIDDEN_MEMBER flag set.
       */
      boolean isHiddenMember(int flags);
  
+     /**
+      * Returns true if the member of the given method handle is a null-restricted
+      * field.
+      */
+     boolean isNullRestrictedField(MethodHandle mh);
+ 
      /**
       * Returns a map of class name in internal forms to its corresponding
       * class bytes per the given stream of LF_RESOLVE and SPECIES_RESOLVE
       * trace logs. Used by GenerateJLIClassesPlugin to enable generation
       * of such classes during the jlink phase.