--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.core.common/src/org/graalvm/compiler/core/common/CompilationRequestIdentifier.java	2016-12-09 00:47:03.688894826 -0800
@@ -0,0 +1,45 @@
+/*
+ * 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.
+ */
+package org.graalvm.compiler.core.common;
+
+import jdk.vm.ci.code.CompilationRequest;
+
+/**
+ * A {@link CompilationIdentifier} based on a {@link CompilationRequest}.
+ */
+public interface CompilationRequestIdentifier extends CompilationIdentifier {
+
+    CompilationRequest getRequest();
+
+    /**
+     * Returns the {@link CompilationRequestIdentifier#getRequest() request} from a
+     * {@link CompilationRequestIdentifier}. Returns {@code null} if the
+     * {@link CompilationIdentifier identifier} does not have one.
+     */
+    static CompilationRequest asCompilationRequest(CompilationIdentifier compilationId) {
+        if (compilationId instanceof CompilationRequestIdentifier) {
+            return ((CompilationRequestIdentifier) compilationId).getRequest();
+        }
+        return null;
+    }
+}