--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.java/src/org/graalvm/compiler/java/IntegerExactOpSpeculation.java	2019-03-09 03:58:19.125605017 +0100
+++ /dev/null	2017-11-16 08:17:56.803999947 +0100
@@ -1,62 +0,0 @@
-/*
- * Copyright (c) 2018, 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.java;
-
-import jdk.vm.ci.meta.ResolvedJavaMethod;
-import jdk.vm.ci.meta.SpeculationLog.SpeculationReason;
-
-public final class IntegerExactOpSpeculation implements SpeculationReason {
-
-    public enum IntegerExactOp {
-        INTEGER_ADD_EXACT,
-        INTEGER_INCREMENT_EXACT,
-        INTEGER_SUBTRACT_EXACT,
-        INTEGER_DECREMENT_EXACT,
-        INTEGER_MULTIPLY_EXACT
-    }
-
-    protected final String methodDescriptor;
-    protected final IntegerExactOp op;
-
-    public IntegerExactOpSpeculation(ResolvedJavaMethod method, IntegerExactOp op) {
-        this.methodDescriptor = method.format("%H.%n(%p)%R");
-        this.op = op;
-    }
-
-    @Override
-    public int hashCode() {
-        return methodDescriptor.hashCode() * 31 + op.ordinal();
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        if (obj instanceof IntegerExactOpSpeculation) {
-            IntegerExactOpSpeculation other = (IntegerExactOpSpeculation) obj;
-            return op.equals(other.op) && methodDescriptor.equals(other.methodDescriptor);
-        }
-        return false;
-    }
-
-}