1 /*
   2  * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @bug 6756768
  27  * @summary C1 generates invalid code
  28  *
  29  * @run main/othervm -Xcomp compiler.c1.Test6756768_2
  30  */
  31 
  32 package compiler.c1;
  33 
  34 class Test6756768_2a {
  35     static int var = ++Test6756768_2.var;
  36 }
  37 
  38 public class Test6756768_2 {
  39     static int var = 1;
  40 
  41     static Object d2 = null;
  42 
  43     static void test_static_field() {
  44         int v = var;
  45         int v2 = Test6756768_2a.var;
  46         int v3 = var;
  47         var = v3;
  48     }
  49 
  50     public static void main(String[] args) {
  51         var = 1;
  52         test_static_field();
  53         if (var != 2) {
  54             throw new InternalError();
  55         }
  56     }
  57 }