diff -r 3cfab71d6c81 -r 5caa1d5f74c1 src/hotspot/share/gc/g1/g1StringDedup.hpp
--- a/src/hotspot/share/gc/g1/g1StringDedup.hpp	Mon Oct 30 08:34:54 2017 +0100
+++ b/src/hotspot/share/gc/g1/g1StringDedup.hpp	Tue Nov 14 11:33:23 2017 +0100
@@ -125,7 +125,7 @@
   // Enqueues a deduplication candidate for later processing by the deduplication
   // thread. Before enqueuing, these functions apply the appropriate candidate
   // selection policy to filters out non-candidates.
-  static void enqueue_from_mark(oop java_string);
+  static void enqueue_from_mark(oop java_string, uint worker_id);
   static void enqueue_from_evacuation(bool from_young, bool to_young,
                                       unsigned int queue, oop java_string);