--- a/hotspot/src/share/vm/gc_interface/collectedHeap.cpp	Tue Feb 10 17:16:17 2015 +0100
+++ b/hotspot/src/share/vm/gc_interface/collectedHeap.cpp	Fri Feb 13 14:37:35 2015 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,6 +32,7 @@
 #include "gc_interface/allocTracer.hpp"
 #include "gc_interface/collectedHeap.hpp"
 #include "gc_interface/collectedHeap.inline.hpp"
+#include "memory/barrierSet.inline.hpp"
 #include "memory/metaspace.hpp"
 #include "oops/oop.inline.hpp"
 #include "oops/instanceMirrorKlass.hpp"
@@ -124,6 +125,14 @@
   }
 }
 
+void CollectedHeap::print_on_error(outputStream* st) const {
+  st->print_cr("Heap:");
+  print_extended_on(st);
+  st->cr();
+
+  _barrier_set->print_on(st);
+}
+
 void CollectedHeap::register_nmethod(nmethod* nm) {
   assert_locked_or_safepoint(CodeCache_lock);
 }