*** old/src/share/classes/java/lang/invoke/MethodHandleNatives.java	Wed Sep  7 21:00:23 2011
--- new/src/share/classes/java/lang/invoke/MethodHandleNatives.java	Wed Sep  7 21:00:23 2011

*** 118,127 ****
--- 118,129 ----
      /** Derived mode flag.  Only false on some old JVM implementations. */
      static final boolean HAVE_RICOCHET_FRAMES;
  
      static final int OP_ROT_ARGS_DOWN_LIMIT_BIAS;
  
+     static final boolean COUNT_GWT;
+ 
      private static native void registerNatives();
      static {
          registerNatives();
          int k;
          JVM_PUSH_LIMIT              = getConstant(Constants.GC_JVM_PUSH_LIMIT);

*** 129,138 ****
--- 131,141 ----
          k                           = getConstant(Constants.GC_CONV_OP_IMPLEMENTED_MASK);
          CONV_OP_IMPLEMENTED_MASK    = (k != 0) ? k : DEFAULT_CONV_OP_IMPLEMENTED_MASK;
          k                           = getConstant(Constants.GC_OP_ROT_ARGS_DOWN_LIMIT_BIAS);
          OP_ROT_ARGS_DOWN_LIMIT_BIAS = (k != 0) ? (byte)k : -1;
          HAVE_RICOCHET_FRAMES        = (CONV_OP_IMPLEMENTED_MASK & (1<<OP_COLLECT_ARGS)) != 0;
+         COUNT_GWT                   = getConstant(Constants.GC_COUNT_GWT) != 0;
          //sun.reflect.Reflection.registerMethodsToFilter(MethodHandleImpl.class, "init");
      }
  
      // All compile-time constants go here.
      // There is an opportunity to check them against the JVM's idea of them.

*** 141,151 ****
--- 144,155 ----
          // MethodHandleImpl
          static final int // for getConstant
                  GC_JVM_PUSH_LIMIT = 0,
                  GC_JVM_STACK_MOVE_UNIT = 1,
                  GC_CONV_OP_IMPLEMENTED_MASK = 2,
!                 GC_OP_ROT_ARGS_DOWN_LIMIT_BIAS = 3;
!                 GC_OP_ROT_ARGS_DOWN_LIMIT_BIAS = 3,
+                 GC_COUNT_GWT = 4;
          static final int
                  ETF_HANDLE_OR_METHOD_NAME = 0, // all available data (immediate MH or method)
                  ETF_DIRECT_HANDLE         = 1, // ultimate method handle (will be a DMH, may be self)
                  ETF_METHOD_NAME           = 2, // ultimate method as MemberName
                  ETF_REFLECT_METHOD        = 3; // ultimate method as java.lang.reflect object (sans refClass)