diff -r 80d5d0d21b75 -r 6979b9850feb hotspot/src/share/vm/code/nmethod.hpp
--- a/hotspot/src/share/vm/code/nmethod.hpp	Mon Sep 17 17:02:10 2012 -0700
+++ b/hotspot/src/share/vm/code/nmethod.hpp	Mon Sep 17 19:39:07 2012 -0700
@@ -177,6 +177,7 @@
   unsigned int _has_unsafe_access:1;         // May fault due to unsafe access.
   unsigned int _has_method_handle_invokes:1; // Has this method MethodHandle invokes?
   unsigned int _lazy_critical_native:1;      // Lazy JNI critical native
+  unsigned int _has_wide_vectors:1;          // Preserve wide vectors at safepoints
 
   // Protected by Patching_lock
   unsigned char _state;                      // {alive, not_entrant, zombie, unloaded}
@@ -442,6 +443,9 @@
   bool  is_lazy_critical_native() const           { return _lazy_critical_native; }
   void  set_lazy_critical_native(bool z)          { _lazy_critical_native = z; }
 
+  bool  has_wide_vectors() const                  { return _has_wide_vectors; }
+  void  set_has_wide_vectors(bool z)              { _has_wide_vectors = z; }
+
   int   comp_level() const                        { return _comp_level; }
 
   // Support for oops in scopes and relocs: