Port FastCloneShallowArrayStub to Turbofan

src/crankshaft/hydrogen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CRANKSHAFT_HYDROGEN_H_
 #define V8_CRANKSHAFT_HYDROGEN_H_
 
 #include "src/accessors.h"
 #include "src/allocation.h"
 #include "src/ast/ast-type-bounds.h"
@@ skipping 1816 matching lines @@
   void BuildCopyProperties(HValue* from_properties, HValue* to_properties,
                            HValue* length, HValue* capacity);
 
   void BuildCopyElements(HValue* from_elements,
                          ElementsKind from_elements_kind,
                          HValue* to_elements,
                          ElementsKind to_elements_kind,
                          HValue* length,
                          HValue* capacity);
 
-  HValue* BuildCloneShallowArrayCow(HValue* boilerplate,
-                                    HValue* allocation_site,
-                                    AllocationSiteMode mode,
-                                    ElementsKind kind);
-
-  HValue* BuildCloneShallowArrayEmpty(HValue* boilerplate,
-                                      HValue* allocation_site,
-                                      AllocationSiteMode mode);
-
-  HValue* BuildCloneShallowArrayNonEmpty(HValue* boilerplate,
-                                         HValue* allocation_site,
-                                         AllocationSiteMode mode,
-                                         ElementsKind kind);
-
   HValue* BuildElementIndexHash(HValue* index);
 
   void BuildCreateAllocationMemento(HValue* previous_object,
                                     HValue* previous_object_size,
                                     HValue* payload);
 
   HInstruction* BuildConstantMapCheck(Handle<JSObject> constant);
   HInstruction* BuildCheckPrototypeMaps(Handle<JSObject> prototype,
                                         Handle<JSObject> holder);
 
@@ skipping 1180 matching lines @@
   }
 
  private:
   HOptimizedGraphBuilder* builder_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_HYDROGEN_H_