--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/replacements/ThreadSubstitutions.java	2019-10-29 02:52:07.544080275 -0400
+++ /dev/null	2019-08-15 18:43:46.912000000 -0400
@@ -1,62 +0,0 @@
-/*
- * Copyright (c) 2012, 2019, 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.GraalHotSpotVMConfig.INJECTED_VMCONFIG;
-import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.JAVA_THREAD_OSTHREAD_LOCATION;
-import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.JAVA_THREAD_THREAD_OBJECT_LOCATION;
-import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.osThreadInterruptedOffset;
-import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.osThreadOffset;
-import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.threadObjectOffset;
-import static jdk.internal.vm.compiler.word.LocationIdentity.any;
-
-import org.graalvm.compiler.api.replacements.ClassSubstitution;
-import org.graalvm.compiler.api.replacements.MethodSubstitution;
-import org.graalvm.compiler.hotspot.nodes.CurrentJavaThreadNode;
-import org.graalvm.compiler.word.Word;
-
-/**
- * Substitutions for {@link java.lang.Thread} methods.
- */
-@ClassSubstitution(Thread.class)
-public class ThreadSubstitutions {
-
-    /**
-     * hidden in 9.
-     */
-    @MethodSubstitution(isStatic = false, optional = true)
-    public static boolean isInterrupted(final Thread thisObject, boolean clearInterrupted) {
-        Word javaThread = CurrentJavaThreadNode.get();
-        Object thread = javaThread.readObject(threadObjectOffset(INJECTED_VMCONFIG), JAVA_THREAD_THREAD_OBJECT_LOCATION);
-        if (thisObject == thread) {
-            Word osThread = javaThread.readWord(osThreadOffset(INJECTED_VMCONFIG), JAVA_THREAD_OSTHREAD_LOCATION);
-            boolean interrupted = osThread.readInt(osThreadInterruptedOffset(INJECTED_VMCONFIG), any()) != 0;
-            if (!interrupted || !clearInterrupted) {
-                return interrupted;
-            }
-        }
-        return isInterrupted(thisObject, clearInterrupted);
-    }
-}