--- old/src/share/vm/gc/g1/heapRegionManager.cpp	2015-08-21 09:53:44.490090616 +0200
+++ new/src/share/vm/gc/g1/heapRegionManager.cpp	2015-08-21 09:53:44.410088229 +0200
@@ -428,7 +428,7 @@
 
     uncommit_regions(idx_last_found + num_last_found - to_remove, to_remove);
 
-    cur -= num_last_found;
+    cur = idx_last_found;
     removed += to_remove;
   }