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

src/compiler/interpreter-assembler.cc

Index: src/compiler/interpreter-assembler.cc
diff --git a/src/compiler/interpreter-assembler.cc b/src/compiler/interpreter-assembler.cc
index 2927da96b724b884413124dd53ffed8cb0a83a41..8c389d83e6d8b20e60da6b208da42f2ef0a7e57a 100644
--- a/src/compiler/interpreter-assembler.cc
+++ b/src/compiler/interpreter-assembler.cc
@@ -367,6 +367,11 @@ Node* InterpreterAssembler::LoadTypeFeedbackVector() {
 }
 
 
+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());