https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14557
nsz at gcc dot gnu.org changed:
What |Removed |Added
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CC| |nsz at gcc dot gnu.org
--- Comment #20 from nsz at gcc dot gnu.org ---
(In reply to felix from comment #19)
> The number of duplicates of this report isn't terribly high, but doesn't
> this at least deserve a mention in the 'Disappointments' section of the
> manual?
>
> In any case, the following macro could be used as a workaround, under some
> rather reasonable assumptions:
>
> #if __STDC_VERSION__ >= 201112L
> #define va_ptr(ap) _Generic(&(ap), va_list *: &(ap), default: (va_list
> *)(ap))
...
the standard conform way to deal with this issue is to
va_list ap2;
va_copy(ap2, ap);
and then use &ap2, this always works.
the proposed macros are both broken and unnecessary.
