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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.lang.fortran
Subject: Re: Is there a way in Fortran to designate an integer value as
 integer*8 ?
Date: Sat, 26 Oct 2024 20:23:45 -0000 (UTC)
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On Sat, 26 Oct 2024 11:51:42 -0000 (UTC), Thomas Koenig wrote:

> The "parameter adjustment" above is explicitly listed as undefined
> behavior, in annex J2 of n2596.pdf (for example):
> 
> "Addition or subtraction of a pointer into, or just beyond, an array
> object and an integer type produces a result that does not point into,
> or just beyond, the same array object (6.5.6)."

Read it again: note the qualification “that does not point into, or just 
beyond, the same array object”. So long as it *does* point “into, or just 
beyond, the same array object”, it is fine.