--- old/src/share/vm/gc/g1/heapRegion.hpp	2017-05-05 13:27:49.886450581 +0200
+++ new/src/share/vm/gc/g1/heapRegion.hpp	2017-05-05 13:27:49.781447470 +0200
@@ -679,7 +679,7 @@
   // processed, false if an unparsable part of the heap was
   // encountered; that only happens when invoked concurrently with the
   // mutator.
-  template <class Closure, bool is_gc_active>
+  template <bool is_gc_active, class Closure>
   inline bool oops_on_card_seq_iterate_careful(MemRegion mr, Closure* cl);
 
   size_t recorded_rs_length() const        { return _recorded_rs_length; }