--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.jtt/src/org/graalvm/compiler/jtt/micro/StrangeFrames.java 2017-02-15 17:03:38.982819702 -0800 @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2007, 2012, 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.jtt.micro; + +import org.junit.Test; + +import org.graalvm.compiler.jtt.JTTTest; + +/* + */ +@SuppressWarnings("unused") +public class StrangeFrames extends JTTTest { + + public static boolean test(int arg) { + empty(); + oneOperandStackSlot(); + twoOperandStackSlots(); + oneLocalSlot(); + return true; + } + + static void empty() { + // do nothing. + } + + static void oneOperandStackSlot() { + new DummyTestClass(); + } + + static void twoOperandStackSlots() { + two(new DummyTestClass(), new DummyTestClass()); + } + + static void oneLocalSlot() { + int a; + } + + static void two(Object a, Object b) { + Object c = b; + } + + @Test + public void run0() throws Throwable { + runTest("test", 0); + } + +}