test/compiler/7042153/Test7042153.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * 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.
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/**
 * @test
 * @bug 7042153
 * @summary Bad folding of IfOps with unloaded constant arguments in C1
 *
 * @run main/othervm -Xcomp Test7042153
 */

import java.lang.reflect.*;

public class Test7042153 {
  static public class Bar { }
  static public class Foo { }

  static volatile boolean z;
  public static void main(String [] args) {
    Class cx = Bar.class;
    Class cy = Foo.class;
    z = (cx == cy);
  }
}