--- /dev/null	2017-11-16 08:17:56.803999947 +0100
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/SwitchTest.java	2019-03-28 07:37:38.772823457 +0100
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 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.core.test;
+
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+import org.junit.Test;
+
+// Regression test for JDK-8220643 (GR-14583)
+public class SwitchTest extends GraalCompilerTest {
+    public static boolean test1(int arg) {
+        switch (arg) {
+            case -2139290527:
+            case -1466249004:
+            case -1063407861:
+            case 125135499:
+            case 425995464:
+            case 786490581:
+            case 1180611932:
+            case 1790655921:
+            case 1970660086:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    @Test
+    public void run1() throws Throwable {
+        ResolvedJavaMethod method = getResolvedJavaMethod("test1");
+        Result compiled = executeActual(method, null, -2139290527);
+        assertEquals(new Result(true, null), compiled);
+    }
+}