Special case of slice for int ranges, sliceArray returning array.

#KT-8711

js/js.libraries/src/core/kotlin.kt

@@ -69,6 +69,11 @@ public fun lazy<T>(mode: LazyThreadSafetyMode, initializer: () -> T): Lazy<T> =
  */
 public fun lazy<T>(lock: Any?, initializer: () -> T): Lazy<T> = UnsafeLazyImpl(initializer)
 
+
+private fun <T> arrayOfNulls(reference: Array<out T>, size: Int): Array<T> {
+    return arrayOfNulls<Any>(size) as Array<T>
+}
+
 private fun arrayCopyResize(source: dynamic, newSize: Int, defaultValue: Any?): dynamic {
     val result = source.slice(0, newSize)
     var index: Int = source.length