Support all fast elements kinds in the major array operations.

src/heap.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 566 matching lines @@
       ElementsKind elements_kind,
       int length,
       int capacity,
       ArrayStorageAllocationMode mode = DONT_INITIALIZE_ARRAY_ELEMENTS,
       PretenureFlag pretenure = NOT_TENURED);
 
   // Allocate a JSArray with no elements
   MUST_USE_RESULT MaybeObject* AllocateJSArrayWithElements(
       FixedArrayBase* array_base,
       ElementsKind elements_kind,
+      int length,
       PretenureFlag pretenure = NOT_TENURED);
 
   // Allocates and initializes a new global object based on a constructor.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.
   // Please note this does not perform a garbage collection.
   MUST_USE_RESULT MaybeObject* AllocateGlobalObject(JSFunction* constructor);
 
   // Returns a deep copy of the JavaScript object.
   // Properties and elements are copied too.
@@ skipping 2231 matching lines @@
   AssertNoAllocation no_alloc;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG || LIVE_OBJECT_LIST
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_