--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/replacements/StringToBytesSnippets.java	2016-12-07 13:50:44.950763030 -0800
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2012, 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.
+ */
+package org.graalvm.compiler.hotspot.replacements;
+
+import static org.graalvm.compiler.hotspot.replacements.UnsafeAccess.UNSAFE;
+import static org.graalvm.compiler.replacements.SnippetTemplate.DEFAULT_REPLACER;
+
+import org.graalvm.compiler.api.replacements.Fold;
+import org.graalvm.compiler.api.replacements.Snippet;
+import org.graalvm.compiler.api.replacements.Snippet.ConstantParameter;
+import org.graalvm.compiler.core.common.LocationIdentity;
+import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
+import org.graalvm.compiler.nodes.NamedLocationIdentity;
+import org.graalvm.compiler.nodes.debug.StringToBytesNode;
+import org.graalvm.compiler.nodes.java.NewArrayNode;
+import org.graalvm.compiler.nodes.spi.LoweringTool;
+import org.graalvm.compiler.replacements.SnippetTemplate;
+import org.graalvm.compiler.replacements.SnippetTemplate.AbstractTemplates;
+import org.graalvm.compiler.replacements.SnippetTemplate.Arguments;
+import org.graalvm.compiler.replacements.SnippetTemplate.SnippetInfo;
+import org.graalvm.compiler.replacements.Snippets;
+import org.graalvm.compiler.replacements.nodes.CStringConstant;
+import org.graalvm.compiler.word.Word;
+
+import jdk.vm.ci.code.TargetDescription;
+import jdk.vm.ci.meta.JavaKind;
+
+/**
+ * The {@code StringToBytesSnippets} contains a snippet for lowering {@link StringToBytesNode}.
+ */
+public class StringToBytesSnippets implements Snippets {
+
+    public static final LocationIdentity CSTRING_LOCATION = NamedLocationIdentity.immutable("CString location");
+
+    @Fold
+    static long arrayBaseOffset() {
+        return UNSAFE.arrayBaseOffset(char[].class);
+    }
+
+    @Snippet
+    public static byte[] transform(@ConstantParameter String compilationTimeString) {
+        int i = compilationTimeString.length();
+        byte[] array = (byte[]) NewArrayNode.newUninitializedArray(byte.class, i);
+        Word cArray = CStringConstant.cstring(compilationTimeString);
+        while (i-- > 0) {
+            // array[i] = cArray.readByte(i);
+            UNSAFE.putByte(array, arrayBaseOffset() + i, cArray.readByte(i, CSTRING_LOCATION));
+        }
+        return array;
+    }
+
+    public static class Templates extends AbstractTemplates {
+
+        private final SnippetInfo create;
+
+        public Templates(HotSpotProviders providers, TargetDescription target) {
+            super(providers, providers.getSnippetReflection(), target);
+            create = snippet(StringToBytesSnippets.class, "transform", NamedLocationIdentity.getArrayLocation(JavaKind.Byte));
+        }
+
+        public void lower(StringToBytesNode stringToBytesNode, LoweringTool tool) {
+            Arguments args = new Arguments(create, stringToBytesNode.graph().getGuardsStage(), tool.getLoweringStage());
+            args.addConst("compilationTimeString", stringToBytesNode.getValue());
+            SnippetTemplate template = template(args);
+            template.instantiate(providers.getMetaAccess(), stringToBytesNode, DEFAULT_REPLACER, args);
+        }
+
+    }
+
+}