test/compiler/7017746/Test.java

/*
 * Copyright (c) 2011, 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
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 */

/**
 * @test
 * @bug 7017746
 * @summary Regression : C2 compiler crash due to SIGSEGV in PhaseCFG::schedule_early()
 *
 * @run main/othervm -Xbatch Test
 */

public class Test {

  int i;

  static int test(Test t, int a, int b) {
    int j = t.i;
    int x = a - b;
    if (a < b) x = x + j;
    return x - j;
  }

  public static void main(String args[]) {
    Test t = new Test();
    for (int n = 0; n < 1000000; n++) {
      int i = test(t, 1, 2);
    }
  }
}