--- old/src/share/vm/gc/g1/g1FixedSizeStack.hpp	2016-06-28 14:13:09.343554327 +0200
+++ /dev/null	2016-06-08 17:45:05.423675909 +0200
@@ -1,105 +0,0 @@
-/*
- * Copyright (c) 2016, 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#ifndef SHARE_VM_GC_G1_G1FIXEDSIZESTACK_HPP
-#define SHARE_VM_GC_G1_G1FIXEDSIZESTACK_HPP
-
-#include "memory/allocation.hpp"
-#include "utilities/debug.hpp"
-#include "utilities/globalDefinitions.hpp"
-
-// Base class for a fixed size stack, i.e. its backing array is of fixed size. Collects
-// methods common to any instances of the array. The backing array is preallocated
-// on the C heap.
-//
-// Pushing elements and access to elements below _length is MT safe. Any other
-// operations modifying it are not.
-class G1FixedSizeStackBase : public CHeapObj<mtGC> {
-protected:
-  address _base;           // The real base address.
-  size_t _max_length;      // The length of the array.
-
-  // Current number of elements pushed. The MSB of this value is also used to
-  // indicate that a concurrent writer is currently pushing to it.
-  size_t volatile _length;
-
-  static const size_t LengthMask = ~nth_bit(BitsPerWord - 1);
-  
-protected:
-
-  G1FixedSizeStackBase() : _base(NULL), _max_length(0), _length(0) { }
-
-  // Allocate and initialize the backing array.
-  void initialize(size_t max_length, size_t elem_size);
-
-  void verify_index(size_t index) const PRODUCT_RETURN;
-
-public:
-  virtual ~G1FixedSizeStackBase();
-
-  size_t max_length() const { return _max_length; }
-  inline size_t length() const;
-};
-
-template<class T>
-class G1FixedSizeStack : public G1FixedSizeStackBase {
-private:
-  T* base() const { return (T*)G1FixedSizeStackBase::_base; }
-
-  // Set the element of the given array at the given index to the
-  // given value. Assume the index is valid.
-  void set_by_index_raw(size_t index, T const value) {
-    this->base()[index] = value;
-  }
-
-public:
-  // Return the element of the array at the given index. Assume
-  // the index is valid. This is a convenience method that does sanity
-  // checking on the index.
-  T get_by_index(size_t index) const {
-    verify_index(index);
-    return this->base()[index];
-  }
-
-  void clear() {
-#ifdef ASSERT
-    _length = _max_length;
-    for (size_t i = 0; i < _max_length; i++) {
-      set_by_index_raw(i, T());
-    }
-#endif
-    _length = 0;
-  }
-
-  G1FixedSizeStack() : G1FixedSizeStackBase() {}
-
-  void initialize(size_t max_length) {
-    G1FixedSizeStackBase::initialize(max_length, sizeof(T));
-    this->clear();
-  }
-
-  inline void par_push(T const elem);
-};
-
-#endif // SHARE_VM_GC_G1_G1FIXEDSIZESTACK_HPP