--- a/jdk/src/java.base/share/classes/java/lang/invoke/X-VarHandle.java.template	Fri May 06 06:23:30 2016 -0700
+++ b/jdk/src/java.base/share/classes/java/lang/invoke/X-VarHandle.java.template	Mon May 09 12:39:41 2016 +0300
@@ -24,8 +24,10 @@
  */
 package java.lang.invoke;
 
+import jdk.internal.util.Preconditions;
+import jdk.internal.vm.annotation.ForceInline;
+
 import java.util.Objects;
-import jdk.internal.vm.annotation.ForceInline;
 
 import static java.lang.invoke.MethodHandleStatics.UNSAFE;
 
@@ -425,7 +427,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.get$Type$Volatile(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase);
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase);
         }
 
         @ForceInline
@@ -436,7 +438,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             UNSAFE.put$Type$Volatile(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     {#if[Object]?handle.componentType.cast(value):value});
         }
 
@@ -448,7 +450,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.get$Type$Opaque(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase);
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase);
         }
 
         @ForceInline
@@ -459,7 +461,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             UNSAFE.put$Type$Opaque(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     {#if[Object]?handle.componentType.cast(value):value});
         }
 
@@ -471,7 +473,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.get$Type$Acquire(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase);
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase);
         }
 
         @ForceInline
@@ -482,7 +484,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             UNSAFE.put$Type$Release(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     {#if[Object]?handle.componentType.cast(value):value});
         }
 #if[CAS]
@@ -495,7 +497,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.compareAndSwap$Type$(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     {#if[Object]?handle.componentType.cast(expected):expected},
                     {#if[Object]?handle.componentType.cast(value):value});
         }
@@ -508,7 +510,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.compareAndExchange$Type$Volatile(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     {#if[Object]?handle.componentType.cast(expected):expected},
                     {#if[Object]?handle.componentType.cast(value):value});
         }
@@ -521,7 +523,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.compareAndExchange$Type$Acquire(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     {#if[Object]?handle.componentType.cast(expected):expected},
                     {#if[Object]?handle.componentType.cast(value):value});
         }
@@ -534,7 +536,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.compareAndExchange$Type$Release(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     {#if[Object]?handle.componentType.cast(expected):expected},
                     {#if[Object]?handle.componentType.cast(value):value});
         }
@@ -547,7 +549,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.weakCompareAndSwap$Type$(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     {#if[Object]?handle.componentType.cast(expected):expected},
                     {#if[Object]?handle.componentType.cast(value):value});
         }
@@ -561,7 +563,7 @@
 #end[Object]
             // TODO defer to strong form until new Unsafe method is added
             return UNSAFE.compareAndSwap$Type$(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     {#if[Object]?handle.componentType.cast(expected):expected},
                     {#if[Object]?handle.componentType.cast(value):value});
         }
@@ -574,7 +576,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.weakCompareAndSwap$Type$Acquire(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     {#if[Object]?handle.componentType.cast(expected):expected},
                     {#if[Object]?handle.componentType.cast(value):value});
         }
@@ -587,7 +589,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.weakCompareAndSwap$Type$Release(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     {#if[Object]?handle.componentType.cast(expected):expected},
                     {#if[Object]?handle.componentType.cast(value):value});
         }
@@ -600,7 +602,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.getAndSet$Type$(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     {#if[Object]?handle.componentType.cast(value):value});
         }
 #end[CAS]
@@ -614,7 +616,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.getAndAdd$Type$(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     value);
         }
 
@@ -626,7 +628,7 @@
             $type$[] array = ($type$[]) oarray;
 #end[Object]
             return UNSAFE.getAndAdd$Type$(array,
-                    (((long) Objects.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
+                    (((long) Preconditions.checkIndex(index, array.length, AIOOBE_SUPPLIER)) << handle.ashift) + handle.abase,
                     value) + value;
         }
 #end[AtomicAdd]