/*
 * Copyright (c) 2024, 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.
 */

/*
 * @test
 * @bug 8330565
 * @summary Check that Reduce Allocation Merges does not crash when legacy
 *          string concatenation optimization is applied.
 * @requires vm.flagless & vm.compiler2.enabled & vm.opt.final.EliminateAllocations
 * @compile -XDstringConcat=inline TestReduceAllocationAndNullableLoads.java
 * @run main/othervm -XX:CompileCommand=compileonly,*TestReduceAllocationAndNullableLoads*::*
 *                   -XX:CompileCommand=dontinline,*TestReduceAllocationAndNullableLoads*::*
 *                   -XX:-TieredCompilation -Xcomp -server
 *                   compiler.c2.TestReduceAllocationAndNullableLoads
 */

package compiler.c2;

public class TestReduceAllocationAndNullableLoads {
    public static void main(String[] args) {
        try {
            // Load / initialize these classes
            IllegalArgumentException e = new IllegalArgumentException("Reason is: ");
            StringBuilder xixi = new StringBuilder("abc");

            // The actual test
            test(new char[] { 'a', 'b', 'c' });
        } catch (IllegalArgumentException e) { }
    }

    public static void test(char[] chars) throws IllegalArgumentException {
        String reason = null;

        for (int i = 0; i < chars.length; i++) {
            char c = chars[i];

            if (c == 'a') {
                reason = "first entry" + i;
                break;
            }
        }

        if (reason != null) {
            throw new IllegalArgumentException("Reason is: " + reason);
        }
    }
}