diff -r 76bec73a91f0 -r 4d58a35f3cfa src/hotspot/share/gc/cms/freeChunk.cpp
--- a/src/hotspot/share/gc/cms/freeChunk.cpp	Tue Nov 12 10:25:55 2019 -0500
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,75 +0,0 @@
-/*
- * Copyright (c) 2001, 2017, 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.
- *
- */
-
-#include "precompiled.hpp"
-#include "gc/cms/freeChunk.hpp"
-#include "utilities/copy.hpp"
-
-#ifndef PRODUCT
-
-#define baadbabeHeapWord badHeapWordVal
-#define deadbeefHeapWord 0xdeadbeef
-
-size_t const FreeChunk::header_size() {
-  return sizeof(FreeChunk)/HeapWordSize;
-}
-
-void FreeChunk::mangleAllocated(size_t size) {
-  // mangle all but the header of a just-allocated block
-  // of storage
-  assert(size >= MinChunkSize, "smallest size of object");
-  // we can't assert that _size == size because this may be an
-  // allocation out of a linear allocation block
-  assert(sizeof(FreeChunk) % HeapWordSize == 0,
-         "shouldn't write beyond chunk");
-  HeapWord* addr = (HeapWord*)this;
-  size_t hdr = header_size();
-  Copy::fill_to_words(addr + hdr, size - hdr, baadbabeHeapWord);
-}
-
-void FreeChunk::mangleFreed(size_t sz) {
-  assert(baadbabeHeapWord != deadbeefHeapWord, "Need distinct patterns");
-  // mangle all but the header of a just-freed block of storage
-  // just prior to passing it to the storage dictionary
-  assert(sz >= MinChunkSize, "smallest size of object");
-  assert(sz == size(), "just checking");
-  HeapWord* addr = (HeapWord*)this;
-  size_t hdr = header_size();
-  Copy::fill_to_words(addr + hdr, sz - hdr, deadbeefHeapWord);
-}
-
-void FreeChunk::verifyList() const {
-  FreeChunk* nextFC = next();
-  if (nextFC != NULL) {
-    assert(this == nextFC->prev(), "broken chain");
-    assert(size() == nextFC->size(), "wrong size");
-    nextFC->verifyList();
-  }
-}
-#endif
-
-void FreeChunk::print_on(outputStream* st) {
-  st->print_cr("Next: " PTR_FORMAT " Prev: " PTR_FORMAT " %s",
-    p2i(next()), p2i(prev()), cantCoalesce() ? "[can't coalesce]" : "");
-}