*** old/src/share/vm/runtime/synchronizer.cpp	Mon Nov 12 10:52:11 2012
--- new/src/share/vm/runtime/synchronizer.cpp	Mon Nov 12 10:52:11 2012

*** 448,459 ****
--- 448,457 ----
  //
  // As a general policy we use "volatile" to control compiler-based reordering
  // and explicit fences (barriers) to control for architectural reordering performed
  // by the CPU(s) or platform.
  
  static int  MBFence (int x) { OrderAccess::fence(); return x; }
  
  struct SharedGlobals {
      // These are highly shared mostly-read variables.
      // To avoid false-sharing they need to be the sole occupants of a $ line.
      double padPrefix [8];
      volatile int stwRandom ;