--- a/hotspot/src/share/vm/gc/g1/g1StringDedupQueue.cpp	Fri May 22 10:58:04 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1StringDedupQueue.cpp	Fri May 22 10:58:16 2015 +0200
@@ -42,7 +42,7 @@
   _cancel(false),
   _empty(true),
   _dropped(0) {
-  _nqueues = MAX2(ParallelGCThreads, (size_t)1);
+  _nqueues = ParallelGCThreads;
   _queues = NEW_C_HEAP_ARRAY(G1StringDedupWorkerQueue, _nqueues, mtGC);
   for (size_t i = 0; i < _nqueues; i++) {
     new (_queues + i) G1StringDedupWorkerQueue(G1StringDedupWorkerQueue::default_segment_size(), _max_cache_size, _max_size);