*** old/hotspot/src/share/vm/oops/fieldInfo.hpp	Fri Aug 30 16:52:02 2013
--- new/hotspot/src/share/vm/oops/fieldInfo.hpp	Fri Aug 30 16:52:02 2013

*** 238,247 ****
--- 238,255 ----
  
    bool is_internal() const {
      return (access_flags() & JVM_ACC_FIELD_INTERNAL) != 0;
    }
  
+   bool is_stable() const {
+     return (access_flags() & JVM_ACC_FIELD_STABLE) != 0;
+   }
+   void set_stable(bool z) {
+     if (z) _shorts[access_flags_offset] |=  JVM_ACC_FIELD_STABLE;
+     else   _shorts[access_flags_offset] &= ~JVM_ACC_FIELD_STABLE;
+   }
+ 
    Symbol* lookup_symbol(int symbol_index) const {
      assert(is_internal(), "only internal fields");
      return vmSymbols::symbol_at((vmSymbols::SID)symbol_index);
    }
  };