diff -r 731e8175d53f -r 9fec19bb0659 src/share/vm/memory/genMarkSweep.cpp
--- a/src/share/vm/memory/genMarkSweep.cpp	Thu Aug 07 15:02:18 2014 -0700
+++ b/src/share/vm/memory/genMarkSweep.cpp	Tue Jan 14 16:40:33 2014 +0100
@@ -210,7 +210,6 @@
   gch->gen_process_strong_roots(level,
                                 false, // Younger gens are not roots.
                                 true,  // activate StrongRootsScope
-                                false, // not scavenging
                                 SharedHeap::SO_SystemClasses,
                                 &follow_root_closure,
                                 true,   // walk code active on stacks
@@ -296,7 +295,6 @@
   gch->gen_process_strong_roots(level,
                                 false, // Younger gens are not roots.
                                 true,  // activate StrongRootsScope
-                                false, // not scavenging
                                 SharedHeap::SO_AllClasses,
                                 &adjust_pointer_closure,
                                 false, // do not walk code