--- old/src/share/vm/gc_implementation/g1/g1MarkSweep.cpp	2014-02-12 10:52:51.357329402 +0100
+++ new/src/share/vm/gc_implementation/g1/g1MarkSweep.cpp	2014-02-12 10:52:51.257329398 +0100
@@ -306,7 +306,7 @@
   ClassLoaderDataGraph::clear_claimed_marks();
 
   sh->process_strong_roots(true,  // activate StrongRootsScope
-                           SharedHeap::SO_AllClasses | SharedHeap::SO_AllCodeCache,
+                           SharedHeap::SO_AllClasses | SharedHeap::SO_Strings | SharedHeap::SO_AllCodeCache,
                            &GenMarkSweep::adjust_pointer_closure,
                            &GenMarkSweep::adjust_klass_closure);