[turbofan] Move SimplifiedOperatorBuilder into JSGraph.

test/cctest/compiler/test-run-stubs.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/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/js-operator.h"
@@ skipping 17 matching lines @@
   Zone* zone = scope.main_zone();
   CompilationInfo info(&stub, isolate, zone);
   CallDescriptor* descriptor = Linkage::ComputeIncoming(zone, &info);
   Handle<FixedArray> tv = isolate->factory()->NewFixedArray(10);
 
   // Create a function to call the code using the descriptor.
   Graph graph(zone);
   CommonOperatorBuilder common(zone);
   JSOperatorBuilder javascript(zone);
   MachineOperatorBuilder machine(zone);
-  JSGraph js(isolate, &graph, &common, &javascript, &machine);
+  JSGraph js(isolate, &graph, &common, &javascript, nullptr, &machine);
 
   // FunctionTester (ab)uses a 2-argument function
   Node* start = graph.NewNode(common.Start(4));
   // Parameter 0 is the number to round
   Node* numberParam = graph.NewNode(common.Parameter(1), start);
   Node* theCode = graph.NewNode(common.HeapConstant(code));
   Node* vector = graph.NewNode(common.HeapConstant(tv));
   Node* dummyContext = graph.NewNode(common.NumberConstant(0.0));
   Node* call =
       graph.NewNode(common.Call(descriptor), theCode, js.UndefinedConstant(),
@@ skipping 84 matching lines @@
   graph.SetStart(start);
   graph.SetEnd(end);
   FunctionTester ft(&graph);
 
   // Actuall call through to the stub, verifying its result.
   Handle<String> leftArg = ft.Val("links");
   Handle<String> rightArg = ft.Val("rechts");
   Handle<Object> result = ft.Call(leftArg, rightArg).ToHandleChecked();
   CHECK(String::Equals(ft.Val("linksrechts"), Handle<String>::cast(result)));
 }