[Bug gas/32073] [2.44 Regression] gas failed to build x86-64 Linux kernel

[matz at suse dot de]

https://sourceware.org/bugzilla/show_bug.cgi?id=32073

--- Comment #9 from Michael Matz <matz at suse dot de> ---
(In reply to Jan Beulich from comment #8)
> 
> I've looked into what the options are of fixing this particular issue.
> Dealing with the one question of "should blanks be skipped here" quickly
> turns into a series of such questions, perhaps one for every individual
> transformation that is done while expanding a macro:
> - Is \( a token, or can there be whitespace?
> - Are \@ and \+ tokens, or can there be whitespace?
> - There's also \& with a comment alluding to preprocessor variables.
> - Is & used for macro parameter references permitted to be followed by
> whitespace? If so, what about the optional trailing & ?
> - Same for @.
> My intuitive answers to these wouldn't all be the same. For example I'd be
> more inclined to not permit whitespace in @name@ references. Yet I don't
> even know the origin of that kind of construct, so how should I be able to
> tell?

I fear the only non-contentious answer to all such questions is: "act in the
same
way as currently" :-/  I.e. try it out and emulate the behaviour.

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