[stubs] Drop CallApiCallbackStub::call_data_undefined optimization.

src/compiler/js-native-context-specialization.cc

 // Copyright 2015 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/compiler/js-native-context-specialization.h"
 
 #include "src/accessors.h"
 #include "src/code-factory.h"
 #include "src/compilation-dependencies.h"
 #include "src/compiler/access-builder.h"
@@ skipping 2197 matching lines @@
     Node* effect, Node* control, Handle<SharedFunctionInfo> shared_info,
     Handle<FunctionTemplateInfo> function_template_info) {
   Handle<CallHandlerInfo> call_handler_info = handle(
       CallHandlerInfo::cast(function_template_info->call_code()), isolate());
   Handle<Object> call_data_object(call_handler_info->data(), isolate());
 
   // Only setters have a value.
   int const argc = value == nullptr ? 0 : 1;
   // The stub always expects the receiver as the first param on the stack.
   CallApiCallbackStub stub(
-      isolate(), argc, call_data_object->IsUndefined(isolate()),
+      isolate(), argc,
       true /* FunctionTemplateInfo doesn't have an associated context. */);
   CallInterfaceDescriptor call_interface_descriptor =
       stub.GetCallInterfaceDescriptor();
   CallDescriptor* call_descriptor = Linkage::GetStubCallDescriptor(
       isolate(), graph()->zone(), call_interface_descriptor,
       call_interface_descriptor.GetStackParameterCount() + argc +
           1 /* implicit receiver */,
       CallDescriptor::kNeedsFrameState, Operator::kNoProperties,
       MachineType::AnyTagged(), 1);
 
@@ skipping 342 matching lines @@
   return jsgraph()->javascript();
 }
 
 SimplifiedOperatorBuilder* JSNativeContextSpecialization::simplified() const {
   return jsgraph()->simplified();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8