diff a/src/hotspot/share/gc/parallel/psCompactionManager.cpp b/src/hotspot/share/gc/parallel/psCompactionManager.cpp
--- a/src/hotspot/share/gc/parallel/psCompactionManager.cpp
+++ b/src/hotspot/share/gc/parallel/psCompactionManager.cpp
@@ -74,11 +74,10 @@
 
   uint parallel_gc_threads = ParallelScavengeHeap::heap()->workers().total_workers();
 
   assert(_manager_array == NULL, "Attempt to initialize twice");
   _manager_array = NEW_C_HEAP_ARRAY(ParCompactionManager*, parallel_gc_threads+1, mtGC);
-  guarantee(_manager_array != NULL, "Could not allocate manager_array");
 
   _stack_array = new OopTaskQueueSet(parallel_gc_threads);
   guarantee(_stack_array != NULL, "Could not allocate stack_array");
   _objarray_queues = new ObjArrayTaskQueueSet(parallel_gc_threads);
   guarantee(_objarray_queues != NULL, "Could not allocate objarray_queues");