--- a/src/share/vm/classfile/classFileStream.hpp	Tue Apr 07 11:20:51 2015 +0200
+++ b/src/share/vm/classfile/classFileStream.hpp	Tue Apr 07 14:58:49 2015 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -53,20 +53,20 @@
   u1*   _buffer_start; // Buffer bottom
   u1*   _buffer_end;   // Buffer top (one past last element)
   u1*   _current;      // Current buffer position
-  char* _source;       // Source of stream (directory name, ZIP/JAR archive name)
+  const char* _source; // Source of stream (directory name, ZIP/JAR archive name)
   bool  _need_verify;  // True if verification is on for the class file
 
   void truncated_file_error(TRAPS);
  public:
   // Constructor
-  ClassFileStream(u1* buffer, int length, char* source);
+  ClassFileStream(u1* buffer, int length, const char* source);
 
   // Buffer access
   u1* buffer() const           { return _buffer_start; }
   int length() const           { return _buffer_end - _buffer_start; }
   u1* current() const          { return _current; }
   void set_current(u1* pos)    { _current = pos; }
-  char* source() const         { return _source; }
+  const char* source() const   { return _source; }
   void set_verify(bool flag)   { _need_verify = flag; }
 
   void check_truncated_file(bool b, TRAPS) {