/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

#define FALL_THROUGH __attribute__((fallthrough))

int main() {
    char val = 'A';
    switch (val) {
        case 'A' :
            val++;
            FALL_THROUGH;
        case 'B' :
            val *= 2;
            break;
        default :
            break;
    }

    return 0;
}