[Interpreter] Add function literal support.

src/interpreter/bytecode-array-builder.h

 // 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.
 
 #ifndef V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_
 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_
 
 #include <vector>
 
 #include "src/ast.h"
@@ skipping 67 matching lines @@
   BytecodeArrayBuilder& StoreKeyedProperty(Register object, Register key,
                                            int feedback_slot,
                                            LanguageMode language_mode);
 
   // Push the context in accumulator as the new context, and store in register
   // |context|.
   BytecodeArrayBuilder& PushContext(Register context);
   // Pop the current context and replace with |context|
   BytecodeArrayBuilder& PopContext(Register context);
 
+  // Create a new closure for the SharedFunctionInfo in the accumulator.
+  BytecodeArrayBuilder& CreateClosure(PretenureFlag tenured);
 
   // Call a JS function. The JSFunction or Callable to be called should be in
   // |callable|, the receiver should be in |receiver| and all subsequent
   // arguments should be in registers <receiver + 1> to
   // <receiver + 1 + arg_count>.
   BytecodeArrayBuilder& Call(Register callable, Register receiver,
                              size_t arg_count);
 
   // Call the runtime function with |function_id|. The first argument should be
   // in |first_arg| and all subsequent arguments should be in registers
@@ skipping 153 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(TemporaryRegisterScope);
 };
 
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_