Do not cache CodeStubInterfaceDescriptor on the isolate.

src/compiler/raw-machine-assembler.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/pipeline.h"
 #include "src/compiler/raw-machine-assembler.h"
 #include "src/compiler/scheduler.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 66 matching lines @@
 void RawMachineAssembler::Return(Node* value) {
   schedule()->AddReturn(CurrentBlock(), value);
   current_block_ = NULL;
 }
 
 
 Node* RawMachineAssembler::CallFunctionStub0(Node* function, Node* receiver,
                                              Node* context, Node* frame_state,
                                              CallFunctionFlags flags) {
   CallFunctionStub stub(isolate(), 0, flags);
-  CodeStubInterfaceDescriptor* d = isolate()->code_stub_interface_descriptor(
-      reinterpret_cast<CodeStub*>(&stub)->MajorKey());
-  stub.InitializeInterfaceDescriptor(d);
+  CodeStubInterfaceDescriptor d;
+  stub.InitializeInterfaceDescriptor(&d);
 
   CallDescriptor* desc = Linkage::GetStubCallDescriptor(
-      d, 1, CallDescriptor::kNeedsFrameState, zone());
+      &d, 1, CallDescriptor::kNeedsFrameState, zone());
   Node* stub_code = HeapConstant(stub.GetCode());
   Node* call = graph()->NewNode(common()->Call(desc), stub_code, function,
                                 receiver, context, frame_state);
   schedule()->AddNode(CurrentBlock(), call);
   return call;
 }
 
 
 Node* RawMachineAssembler::CallJS0(Node* function, Node* receiver,
                                    Node* context, Node* frame_state) {
@@ skipping 56 matching lines @@
   Node* node = graph()->NewNode(op, input_count, inputs);
   BasicBlock* block = op->opcode() == IrOpcode::kParameter ? schedule()->start()
                                                            : CurrentBlock();
   schedule()->AddNode(block, node);
   return node;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8