[turbofan] JSGenericLowering mostly uses builtins instead of code stubs now

src/builtins/builtins.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/builtins/builtins.h"
 #include "src/code-events.h"
 #include "src/code-stub-assembler.h"
+#include "src/code-stubs.h"

[Benedikt Meurer, 2016/10/05 05:41:30]

This seems to be unnecessary now.

 #include "src/ic/ic-state.h"
 #include "src/interface-descriptors.h"
 #include "src/isolate.h"
 #include "src/macro-assembler.h"
 #include "src/objects.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations for C++ builtins.
@@ skipping 84 matching lines @@
   // and this construction just queries the details from the descriptors table.
   CallInterfaceDescriptor descriptor(isolate, interface_descriptor);
   // Ensure descriptor is already initialized.
   DCHECK_LE(0, descriptor.GetRegisterParameterCount());
   CodeStubAssembler assembler(isolate, &zone, descriptor, flags, name);
   generator(&assembler);
   Handle<Code> code = assembler.GenerateCode();
   PostBuildProfileAndTracing(isolate, *code, name);
   return *code;
 }
+

[Benedikt Meurer, 2016/10/05 05:41:30]

Same here.

 }  // anonymous namespace
 
 void Builtins::SetUp(Isolate* isolate, bool create_heap_objects) {
   DCHECK(!initialized_);
 
   // Create a scope for the handles in the builtins.
   HandleScope scope(isolate);
 
   if (create_heap_objects) {
     int index = 0;
@@ skipping 164 matching lines @@
   // TODO(jochen): Remove this.
   if (responsible_context.is_null()) {
     return true;
   }
   if (*responsible_context == target->context()) return true;
   return isolate->MayAccess(responsible_context, target_global_proxy);
 }
 
 }  // namespace internal
 }  // namespace v8