--- a/jdk/test/jdk/lambda/shapegen/TTNode.java	Wed Jul 05 20:26:30 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,124 +0,0 @@
-/*
- * Copyright (c) 2012, 2013, 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 shapegen;
-
-import shapegen.ClassCase.Kind;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Set;
-
-import static shapegen.ClassCase.Kind.*;
-
-/**
- * Type Template Node
- *
- * @author Robert Field
- */
-public class TTNode {
-
-    final List<TTNode> supertypes;
-    final boolean canBeClass;
-
-    private int currentKindIndex;
-    private Kind[] kinds;
-
-    public TTNode(List<TTNode> subtypes, boolean canBeClass) {
-        this.supertypes = subtypes;
-        this.canBeClass = canBeClass;
-    }
-
-    public void start(boolean includeClasses) {
-        kinds =
-             supertypes.isEmpty()?
-                (new Kind[]{IDEFAULT, IPRESENT})
-             :  ((includeClasses && canBeClass)?
-                  new Kind[]{CNONE, IVAC, IDEFAULT, IPRESENT}
-                : new Kind[]{IVAC, IDEFAULT, IPRESENT});
-        currentKindIndex = 0;
-
-        for (TTNode sub : supertypes) {
-            sub.start(includeClasses);
-        }
-    }
-
-    public boolean next() {
-        ++currentKindIndex;
-        if (currentKindIndex >= kinds.length) {
-            currentKindIndex = 0;
-            return false;
-        } else {
-            return true;
-        }
-    }
-
-    public void collectAllSubtypes(Set<TTNode> subs) {
-        subs.add(this);
-        for (TTNode n : supertypes) {
-            n.collectAllSubtypes(subs);
-        }
-    }
-
-    private Kind getKind() {
-        return kinds[currentKindIndex];
-    }
-
-    boolean isInterface() {
-        return getKind().isInterface;
-    }
-
-    boolean isClass() {
-        return !isInterface();
-    }
-
-    boolean hasDefault() {
-        return getKind() == IDEFAULT;
-    }
-
-    public boolean isValid() {
-        for (TTNode n : supertypes) {
-            if (!n.isValid() || (isInterface() && n.isClass())) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    public ClassCase genCase() {
-        ClassCase subclass;
-        List<TTNode> ttintfs;
-        if (isClass() && !supertypes.isEmpty() && supertypes.get(0).isClass()) {
-            subclass = supertypes.get(0).genCase();
-            ttintfs = supertypes.subList(1, supertypes.size());
-        } else {
-            subclass = null;
-            ttintfs = supertypes;
-        }
-        List<ClassCase> intfs = new ArrayList<>();
-        for (TTNode node : ttintfs) {
-            intfs.add(node.genCase());
-        }
-        return new ClassCase(getKind(), subclass, intfs);
-    }
-}