[builtins] Implement %TypedArray%.prototype.map in the CSA

src/code-stub-assembler.h

 // Copyright 2016 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_CODE_STUB_ASSEMBLER_H_
 #define V8_CODE_STUB_ASSEMBLER_H_
 
 #include <functional>
 
 #include "src/compiler/code-assembler.h"
@@ skipping 579 matching lines @@
 
   // Perform CreateArrayIterator (ES6 #sec-createarrayiterator).
   Node* CreateArrayIterator(Node* array, Node* array_map, Node* array_type,
                             Node* context, IterationKind mode);
 
   Node* AllocateJSArrayIterator(Node* array, Node* array_map, Node* map);
 
   // Perform ArraySpeciesCreate (ES6 #sec-arrayspeciescreate).
   Node* ArraySpeciesCreate(Node* context, Node* originalArray, Node* len);
 
+  Node* TypedArraySpeciesCreateByLength(Node* context, Node* originalArray,
+                                        Node* len);
+
   void FillFixedArrayWithValue(ElementsKind kind, Node* array, Node* from_index,
                                Node* to_index,
                                Heap::RootListIndex value_root_index,
                                ParameterMode mode = INTPTR_PARAMETERS);
 
   // Copies all elements from |from_array| of |length| size to
   // |to_array| of the same size respecting the elements kind.
   void CopyFixedArrayElements(
       ElementsKind kind, Node* from_array, Node* to_array, Node* length,
       WriteBarrierMode barrier_mode = UPDATE_WRITE_BARRIER,
@@ skipping 893 matching lines @@
   }
 #else
 #define CSA_SLOW_ASSERT(csa, x) ((void)0)
 #endif
 
 DEFINE_OPERATORS_FOR_FLAGS(CodeStubAssembler::AllocationFlags);
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_CODE_STUB_ASSEMBLER_H_