[interpreter] Fix nosnap build for interpreter table generation.

src/interpreter/interpreter.h

Index: src/interpreter/interpreter.h
diff --git a/src/interpreter/interpreter.h b/src/interpreter/interpreter.h
index 1e5b00288261822e71f31c00e4c5f5309a13369d..5ab73c832fa924452b827b031476030456c02db4 100644
--- a/src/interpreter/interpreter.h
+++ b/src/interpreter/interpreter.h
@@ -28,6 +28,15 @@ class Interpreter {
   explicit Interpreter(Isolate* isolate);
   virtual ~Interpreter() {}
 
+  bool initialized() { return initialized_; }
+
+  // Creates an uninitialized interpreter handler table, where each handler
+  // points to the Illegal builtin.
+  static Handle<FixedArray> CreateUninitializedInterpreterTable(
+      Isolate* isolate);
+
+  // Initializes the interpreter, generating heap objects if
+  // |create_heap_objects| is true.
   void Initialize(bool create_heap_objects);
 
  private:
@@ -37,7 +46,10 @@ class Interpreter {
   BYTECODE_LIST(DECLARE_BYTECODE_HANDLER_GENERATOR)
 #undef DECLARE_BYTECODE_HANDLER_GENERATOR
 
+  bool IsInterpreterTableInitialized(Handle<FixedArray> handler_table);
+
   Isolate* isolate_;
+  bool initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(Interpreter);
 };