diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/hotspot/share/ci/ciUtilities.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/ci/ciUtilities.cpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 1999, 2010, 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 "ci/ciUtilities.hpp"
+
+// ciUtilities
+//
+// Miscellaneous internal compiler interface routines.
+
+// ------------------------------------------------------------------
+// basictype_to_str
+const char* basictype_to_str(BasicType t) {
+  const char* str = type2name(t);
+  if (str == NULL) return "illegal";
+  return str;
+}
+
+// ------------------------------------------------------------------
+// basictype_to_char
+const char basictype_to_char(BasicType t) {
+  char c = type2char(t);
+  return c ? c : 'X';
+}