[compiler] Simplify paramerters for spread call.

src/compiler/js-generic-lowering.cc

 // Copyright 2014 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-generic-lowering.h"
 
 #include "src/ast/ast.h"
 #include "src/builtins/builtins-constructor.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 510 matching lines @@
   Node* receiver = jsgraph()->UndefinedConstant();
   node->RemoveInput(arg_count + 1);  // Drop new target.
   node->InsertInput(zone(), 0, stub_code);
   node->InsertInput(zone(), 2, new_target);
   node->InsertInput(zone(), 3, stub_arity);
   node->InsertInput(zone(), 4, receiver);
   NodeProperties::ChangeOp(node, common()->Call(desc));
 }
 
 void JSGenericLowering::LowerJSConstructWithSpread(Node* node) {
-  ConstructWithSpreadParameters const& p =
-      ConstructWithSpreadParametersOf(node->op());
+  SpreadWithArityParameters const& p = SpreadWithArityParametersOf(node->op());
   int const arg_count = static_cast<int>(p.arity() - 2);
   CallDescriptor::Flags flags = FrameStateFlagForCall(node);
   Callable callable = CodeFactory::ConstructWithSpread(isolate());
   CallDescriptor* desc = Linkage::GetStubCallDescriptor(
       isolate(), zone(), callable.descriptor(), arg_count + 1, flags);
   Node* stub_code = jsgraph()->HeapConstant(callable.code());
   Node* stub_arity = jsgraph()->Int32Constant(arg_count);
   Node* new_target = node->InputAt(arg_count + 1);
   Node* receiver = jsgraph()->UndefinedConstant();
   node->RemoveInput(arg_count + 1);  // Drop new target.
@@ skipping 32 matching lines @@
   CallDescriptor* desc = Linkage::GetStubCallDescriptor(
       isolate(), zone(), callable.descriptor(), arg_count + 1, flags);
   Node* stub_code = jsgraph()->HeapConstant(callable.code());
   Node* stub_arity = jsgraph()->Int32Constant(arg_count);
   node->InsertInput(zone(), 0, stub_code);
   node->InsertInput(zone(), 2, stub_arity);
   NodeProperties::ChangeOp(node, common()->Call(desc));
 }
 
 void JSGenericLowering::LowerJSCallWithSpread(Node* node) {
-  CallWithSpreadParameters const& p = CallWithSpreadParametersOf(node->op());
+  SpreadWithArityParameters const& p = SpreadWithArityParametersOf(node->op());
   int const arg_count = static_cast<int>(p.arity() - 2);
   Callable callable = CodeFactory::CallWithSpread(isolate());
   CallDescriptor::Flags flags = FrameStateFlagForCall(node);
   CallDescriptor* desc = Linkage::GetStubCallDescriptor(
       isolate(), zone(), callable.descriptor(), arg_count + 1, flags);
   Node* stub_code = jsgraph()->HeapConstant(callable.code());
   Node* stub_arity = jsgraph()->Int32Constant(arg_count);
   node->InsertInput(zone(), 0, stub_code);
   node->InsertInput(zone(), 2, stub_arity);
   NodeProperties::ChangeOp(node, common()->Call(desc));
@@ skipping 111 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSGenericLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8