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/*
 * Copyright (c) 2020, 2021, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * The Universal Permissive License (UPL), Version 1.0
 *
 * Subject to the condition set forth below, permission is hereby granted to any
 * person obtaining a copy of this software, associated documentation and/or
 * data (collectively the "Software"), free of charge and under any and all
 * copyright rights in the Software, and any and all patent rights owned or
 * freely licensable by each licensor hereunder covering either (i) the
 * unmodified Software as contributed to or provided by such licensor, or (ii)
 * the Larger Works (as defined below), to deal in both
 *
 * (a) the Software, and
 *
 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
 * one is included with the Software each a "Larger Work" to which the Software
 * is contributed by such licensors),
 *
 * without restriction, including without limitation the rights to copy, create
 * derivative works of, display, perform, and distribute the Software and make,
 * use, sell, offer for sale, import, export, have made, and have sold the
 * Software and the Larger Work(s), and to sublicense the foregoing rights on
 * either these or other terms.
 *
 * This license is subject to the following condition:
 *
 * The above copyright notice and either this complete permission notice or at a
 * minimum a reference to the UPL must be included in all copies or substantial
 * portions of the Software.
 *
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package com.oracle.graal.python.util;

public class OverflowException extends Exception {
    private static final long serialVersionUID = 3636682077428219386L;

    public static final OverflowException INSTANCE = new OverflowException();

    private OverflowException() {
        /*
         * We use the super constructor that initializes the cause to null. Without that, the cause
         * would be this exception itself. This helps escape analysis: it avoids the circle of an
         * object pointing to itself. We also do not need a message, so we use the constructor that
         * also allows us to set the message to null.
         */
        super(null, null);
    }

    /**
     * For performance reasons, this exception does not record any stack trace information.
     */
    @SuppressWarnings("sync-override")
    @Override
    public final Throwable fillInStackTrace() {
        return this;
    }
}