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From: Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups: comp.lang.c
Subject: Re: Christmas Quiz 2022
Date: Sun, 18 Dec 2022 17:18:02 -0800
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Tony Oliver <guinness.tony@gmail.com> writes:

> On Sunday, 18 December 2022 at 20:22:16 UTC, Roman P wrote:
>
>> 3) What happens when you overflow an int variable, that is, set
>> it to a value beyond its range?
>
> Undefined Behaviour.

In the normal case, and most likely what is being asked about,
not undefined behavior, but implementation-defined behavior, or
(from C99 on) raise an implementation-defined signal.