[Interpreter] Add support for loading globals in the interpreter.

src/compiler/interpreter-assembler.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_COMPILER_INTERPRETER_ASSEMBLER_H_
 #define V8_COMPILER_INTERPRETER_ASSEMBLER_H_
 
 // Clients of this interface shouldn't depend on lots of compiler internals.
 // Do not include anything from src/compiler here!
 #include "src/allocation.h"
@@ skipping 86 matching lines @@
   // receiver) and the first argument located at |first_arg|.
   Node* CallJS(Node* function, Node* first_arg, Node* arg_count);
 
   // Call an IC code stub.
   Node* CallIC(CallInterfaceDescriptor descriptor, Node* target, Node* arg1,
                Node* arg2, Node* arg3, Node* arg4);
   Node* CallIC(CallInterfaceDescriptor descriptor, Node* target, Node* arg1,
                Node* arg2, Node* arg3, Node* arg4, Node* arg5);
 
   // Call runtime function.
+  Node* CallRuntime(Runtime::FunctionId function_id, Node* arg1);
   Node* CallRuntime(Runtime::FunctionId function_id, Node* arg1, Node* arg2);
 
   // Returns from the function.
   void Return();
 
   // Dispatch to the bytecode.
   void Dispatch();
 
  protected:
   // Close the graph.
@@ skipping 45 matching lines @@
   bool code_generated_;
 
   DISALLOW_COPY_AND_ASSIGN(InterpreterAssembler);
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_INTERPRETER_ASSEMBLER_H_