1 /*
   2  * Copyright (c) 2011, 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 7017746
  27  * @summary Regression : C2 compiler crash due to SIGSEGV in PhaseCFG::schedule_early()
  28  *
  29  * @run main/othervm -Xbatch compiler.c2.Test7017746
  30  */
  31 
  32 package compiler.c2;
  33 
  34 public class Test7017746 {
  35 
  36     int i;
  37 
  38     static int test(Test7017746 t, int a, int b) {
  39         int j = t.i;
  40         int x = a - b;
  41         if (a < b) x = x + j;
  42         return x - j;
  43     }
  44 
  45     public static void main(String args[]) {
  46         Test7017746 t = new Test7017746();
  47         for (int n = 0; n < 1000000; n++) {
  48             int i = test(t, 1, 2);
  49         }
  50     }
  51 }
  52