src/share/vm/gc_implementation/g1/g1RemSet.hpp

*** 20,29 ****
--- 20,32 ----
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   *
   */
  
+ #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_HPP
+ #define SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_HPP
+ 
  // A G1RemSet provides ways of iterating over pointers into a selected
  // collection set.
  
  class G1CollectedHeap;
  class CardTableModRefBarrierSet;
*** 213,217 ****
--- 216,222 ----
      _g1_rem_set(rs) {}
  
    virtual void do_oop(narrowOop* p) { do_oop_work(p); }
    virtual void do_oop(      oop* p) { do_oop_work(p); }
  };
+ 
+ #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_HPP