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From: Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups: comp.lang.c
Subject: Re: New features added into C23 standard
Date: Mon, 15 Aug 2022 23:24:39 -0700
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Richard Damon <Richard@Damon-Family.org> writes:

[...]

> The key point is that *IF* the implementation defines how to
> access a specific location of memory, and you use that method,
> then the implementation must honor its definition.

AFAIAA, the C standard does not require that implementations
carry out their documented extensions correctly.  We might like
it to be so, but I don't see anything in the C standard that
requires it.