src/cpu/x86/vm/interpreter_x86.hpp

*** 20,29 ****
--- 20,32 ----
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   *
   */
  
+ #ifndef CPU_X86_VM_INTERPRETER_X86_HPP
+ #define CPU_X86_VM_INTERPRETER_X86_HPP
+ 
   public:
  
    // Sentinel placed in the code for interpreter returns so
    // that i2c adapters and osr code can recognize an interpreter
    // return address and convert the return to a specialized
*** 42,46 ****
--- 45,51 ----
    // Already negated by c++ interpreter
    static int local_index_at(int i) {
      assert(i <= 0, "local direction already negated");
      return stackElementWords * i;
    }
+ 
+ #endif // CPU_X86_VM_INTERPRETER_X86_HPP