Make FastNewFunctionContextStub take slots parameter

src/arm64/interface-descriptors-arm64.cc

 // 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.
 
 #include "src/arm64/interface-descriptors-arm64.h"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
 
 const Register CallInterfaceDescriptor::ContextRegister() { return cp; }
 
 void CallInterfaceDescriptor::DefaultInitializePlatformSpecific(
     CallInterfaceDescriptorData* data, int register_parameter_count) {
   const Register default_stub_registers[] = {x0, x1, x2, x3, x4};
   CHECK_LE(static_cast<size_t>(register_parameter_count),
            arraysize(default_stub_registers));
   data->InitializePlatformSpecific(register_parameter_count,
                                    default_stub_registers);
 }
 
+const Register FastNewFunctionContextDescriptor::FunctionRegister() {
+  return x1;
+}
+const Register FastNewFunctionContextDescriptor::SlotsRegister() { return x0; }
+
 const Register LoadDescriptor::ReceiverRegister() { return x1; }
 const Register LoadDescriptor::NameRegister() { return x2; }
 const Register LoadDescriptor::SlotRegister() { return x0; }
 
 
 const Register LoadWithVectorDescriptor::VectorRegister() { return x3; }
 
 
 const Register StoreDescriptor::ReceiverRegister() { return x1; }
 const Register StoreDescriptor::NameRegister() { return x2; }
@@ skipping 30 matching lines @@
 const Register GrowArrayElementsDescriptor::KeyRegister() { return x3; }
 
 
 void FastNewClosureDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // x2: function info
   Register registers[] = {x2};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
-void FastNewFunctionContextDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  // x1: function
-  Register registers[] = {x1};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
 void FastNewObjectDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {x1, x3};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 void FastNewRestParameterDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // x1: function
   Register registers[] = {x1};
@@ skipping 367 matching lines @@
       x1,  // the JSGeneratorObject to resume
       x2   // the resume mode (tagged)
   };
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64