Change a few style issues (dead code, unitialized members) flagged by...

src/rewriter.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 20 matching lines @@
 #include "func-name-inferrer.h"
 #include "scopes.h"
 #include "rewriter.h"
 
 namespace v8 {
 namespace internal {
 
 
 class AstOptimizer: public AstVisitor {
  public:
-  explicit AstOptimizer() {}
-  explicit AstOptimizer(Handle<String> enclosing_name) {
+  explicit AstOptimizer() : has_function_literal_(false) {}
+  explicit AstOptimizer(Handle<String> enclosing_name)
+      : has_function_literal_(false) {
     func_name_inferrer_.PushEnclosingName(enclosing_name);
   }
 
   void Optimize(ZoneList<Statement*>* statements);
 
  private:
   // Used for loop condition analysis.  Cleared before visiting a loop
   // condition, set when a function literal is visited.
   bool has_function_literal_;
   // Helper object for function name inferring.
@@ skipping 780 matching lines @@
     optimizer.Optimize(body);
     if (optimizer.HasStackOverflow()) {
       return false;
     }
   }
   return true;
 }
 
 
 } }  // namespace v8::internal