--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/ArraysSubstitutions.java	2017-02-15 17:09:03.315966415 -0800
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2013, 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
+ * 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.replacements;
+
+import java.util.Arrays;
+
+import org.graalvm.compiler.api.replacements.ClassSubstitution;
+import org.graalvm.compiler.api.replacements.MethodSubstitution;
+import org.graalvm.compiler.replacements.nodes.ArrayEqualsNode;
+
+// JaCoCo Exclude
+
+/**
+ * Substitutions for {@link java.util.Arrays} methods.
+ */
+@ClassSubstitution(Arrays.class)
+public class ArraysSubstitutions {
+
+    @MethodSubstitution
+    public static boolean equals(boolean[] a, boolean[] a2) {
+        if (a == a2) {
+            return true;
+        }
+        if (a == null || a2 == null || a.length != a2.length) {
+            return false;
+        }
+        return ArrayEqualsNode.equals(a, a2, a.length);
+    }
+
+    @MethodSubstitution
+    public static boolean equals(byte[] a, byte[] a2) {
+        if (a == a2) {
+            return true;
+        }
+        if (a == null || a2 == null || a.length != a2.length) {
+            return false;
+        }
+        return ArrayEqualsNode.equals(a, a2, a.length);
+    }
+
+    @MethodSubstitution
+    public static boolean equals(char[] a, char[] a2) {
+        if (a == a2) {
+            return true;
+        }
+        if (a == null || a2 == null || a.length != a2.length) {
+            return false;
+        }
+        return ArrayEqualsNode.equals(a, a2, a.length);
+    }
+
+    @MethodSubstitution
+    public static boolean equals(short[] a, short[] a2) {
+        if (a == a2) {
+            return true;
+        }
+        if (a == null || a2 == null || a.length != a2.length) {
+            return false;
+        }
+        return ArrayEqualsNode.equals(a, a2, a.length);
+    }
+
+    @MethodSubstitution
+    public static boolean equals(int[] a, int[] a2) {
+        if (a == a2) {
+            return true;
+        }
+        if (a == null || a2 == null || a.length != a2.length) {
+            return false;
+        }
+        return ArrayEqualsNode.equals(a, a2, a.length);
+    }
+
+    @MethodSubstitution
+    public static boolean equals(long[] a, long[] a2) {
+        if (a == a2) {
+            return true;
+        }
+        if (a == null || a2 == null || a.length != a2.length) {
+            return false;
+        }
+        return ArrayEqualsNode.equals(a, a2, a.length);
+    }
+
+    @MethodSubstitution
+    public static boolean equals(float[] a, float[] a2) {
+        if (a == a2) {
+            return true;
+        }
+        if (a == null || a2 == null || a.length != a2.length) {
+            return false;
+        }
+        return ArrayEqualsNode.equals(a, a2, a.length);
+    }
+
+    @MethodSubstitution
+    public static boolean equals(double[] a, double[] a2) {
+        if (a == a2) {
+            return true;
+        }
+        if (a == null || a2 == null || a.length != a2.length) {
+            return false;
+        }
+        return ArrayEqualsNode.equals(a, a2, a.length);
+    }
+}