[Interpreter] Add support for Load / Store to Lookup slots.

src/compiler/interpreter-assembler.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/compiler/interpreter-assembler.h"
 
 #include <ostream>
 
 #include "src/code-factory.h"
 #include "src/compiler/graph.h"
@@ skipping 349 matching lines @@
       MachineType::AnyTagged(), RegisterFileRawPointer(),
       IntPtrConstant(InterpreterFrameConstants::kFunctionFromRegisterPointer));
   Node* shared_info =
       LoadObjectField(function, JSFunction::kSharedFunctionInfoOffset);
   Node* vector =
       LoadObjectField(shared_info, SharedFunctionInfo::kFeedbackVectorOffset);
   return vector;
 }
 
 
+Node* InterpreterAssembler::Projection(int index, Node* node) {
+  return raw_assembler_->Projection(index, node);
+}
+
+
 Node* InterpreterAssembler::CallConstruct(Node* new_target, Node* constructor,
                                           Node* first_arg, Node* arg_count) {
   Callable callable = CodeFactory::InterpreterPushArgsAndConstruct(isolate());
   CallDescriptor* descriptor = Linkage::GetStubCallDescriptor(
       isolate(), zone(), callable.descriptor(), 0, CallDescriptor::kNoFlags);
 
   Node* code_target = HeapConstant(callable.code());
 
   Node** args = zone()->NewArray<Node*>(5);
   args[0] = arg_count;
@@ skipping 256 matching lines @@
   return raw_assembler_->call_descriptor();
 }
 
 
 Zone* InterpreterAssembler::zone() { return raw_assembler_->zone(); }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8