--- old/src/share/vm/gc_implementation/g1/concurrentMarkThread.cpp	2014-07-07 12:00:31.457573635 +0200
+++ new/src/share/vm/gc_implementation/g1/concurrentMarkThread.cpp	2014-07-07 12:00:31.377571305 +0200
@@ -277,7 +277,9 @@
 
       // We now want to allow clearing of the marking bitmap to be
       // suspended by a collection pause.
-      {
+      // We may have aborted just before the remark. Do not bother clearing the
+      // bitmap then, as it has been done during mark abort.
+      if (!cm()->has_aborted()) {
         SuspendibleThreadSetJoiner sts;
         _cm->clearNextBitmap();
       }