    /*
     * Some or all of this work - Copyright (c) 2006 - 2021, Intel Corp.
     * All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without modification,
     * are permitted provided that the following conditions are met:
     *
     * Redistributions of source code must retain the above copyright notice,
     * this list of conditions and the following disclaimer.
     * Redistributions in binary form must reproduce the above copyright notice,
     * this list of conditions and the following disclaimer in the documentation
     * and/or other materials provided with the distribution.
     * Neither the name of Intel Corporation nor the names of its contributors
     * may be used to endorse or promote products derived from this software
     * without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
     * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    /*
     * Bug 246:
     *
     * SUMMARY: Switch implementation can cause AE_ALREADY_EXISTS exception when Switch
     *          is within While
     */
    Method (M17B, 0, Serialized)
    {
        Local0 = 0x02
        Local1 = 0x00
        Local2 = 0x00
        While (Local0)
        {
            If (CH03 (__METHOD__, 0x00, __LINE__, 0x00, 0x00))
            {
                Return (Zero)
            }

            Local2++
            Switch (ToInteger (Local0))
            {
                Case (0x01)
                {
                    Debug = "Case 1"
                    Local1 += 0x01
                }
                Case (0x02)
                {
                    Debug = "Case 2"
                    Local1 += 0x02
                }

            }

            If (CH03 (__METHOD__, 0x00, __LINE__, 0x00, 0x00))
            {
                Return (Zero)
            }

            Local2++
            Local0--
        }

        If ((Local1 != 0x03))
        {
            ERR (__METHOD__, ZFFF, __LINE__, 0x00, 0x00, Local1, 0x03)
        }
    }
