[stubs] Renames WordIsSmi to TaggedIsSmi, introducing an appropriate bitcast of the parameter.

src/builtins/builtins-typedarray.cc

 // 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.
 
 #include "src/builtins/builtins.h"
 #include "src/builtins/builtins-utils.h"
 
 namespace v8 {
 namespace internal {
 
@@ skipping 13 matching lines @@
                                        const char* method_name,
                                        int object_offset) {
   typedef CodeStubAssembler::Label Label;
   typedef compiler::Node Node;
 
   Node* receiver = assembler->Parameter(0);
   Node* context = assembler->Parameter(3);
 
   // Check if the {receiver} is actually a JSTypedArray.
   Label if_receiverisincompatible(assembler, Label::kDeferred);
-  assembler->GotoIf(assembler->WordIsSmi(receiver), &if_receiverisincompatible);
+  assembler->GotoIf(assembler->TaggedIsSmi(receiver),
+                    &if_receiverisincompatible);
   Node* receiver_instance_type = assembler->LoadInstanceType(receiver);
   assembler->GotoUnless(
       assembler->Word32Equal(receiver_instance_type,
                              assembler->Int32Constant(JS_TYPED_ARRAY_TYPE)),
       &if_receiverisincompatible);
 
   // Check if the {receiver}'s JSArrayBuffer was neutered.
   Node* receiver_buffer =
       assembler->LoadObjectField(receiver, JSTypedArray::kBufferOffset);
   Node* receiver_buffer_bit_field = assembler->LoadObjectField(
@@ skipping 47 matching lines @@
 // ES6 section 22.2.3.18 get %TypedArray%.prototype.length
 void Builtins::Generate_TypedArrayPrototypeLength(
     CodeStubAssembler* assembler) {
   Generate_TypedArrayProtoypeGetter(assembler,
                                     "get TypedArray.prototype.length",
                                     JSTypedArray::kLengthOffset);
 }
 
 }  // namespace internal
 }  // namespace v8