[Turbofan] Add CallFunctionWithSpread JSOperator.

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 530 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::LowerJSCallFunctionWithSpread(Node* node) {
+  CallFunctionWithSpreadParameters const& p =
+      CallFunctionWithSpreadParametersOf(node->op());
+  ReplaceWithRuntimeCall(node, Runtime::kCallWithSpread,
+                         static_cast<int>(p.arity()));
+}
 
 void JSGenericLowering::LowerJSCallRuntime(Node* node) {
   const CallRuntimeParameters& p = CallRuntimeParametersOf(node->op());
   ReplaceWithRuntimeCall(node, p.id(), static_cast<int>(p.arity()));
 }
 
 void JSGenericLowering::LowerJSConvertReceiver(Node* node) {
   ReplaceWithRuntimeCall(node, Runtime::kConvertReceiver);
 }
 
@@ skipping 92 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSGenericLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8