https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108295
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution|--- |INVALID
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Daniel Lundin from comment #5)
> (In reply to Andrew Pinski from comment #4)
> > Try -pedantic-errors.
>
> Yes I already did and then the error appears. But that would imply that this
> is a non-standard GNU extension and not an upcoming standard C23 feature,
> which still doesn't seem correct.
>
> If the intention was to add this as a GNU extension until formal release of
> C23, then the use of such GNU extensions will behave inconsistently between
> gcc <10.4 and gcc >11.0 when using the same compiler options. And I don't
> think that's documented anywhere either.
https://gcc.gnu.org/onlinedocs/gcc-12.2.0/gcc/Mixed-Labels-and-Declarations.html#Mixed-Labels-and-Declarations
Compared to
https://gcc.gnu.org/onlinedocs/gcc-9.5.0/gcc/Mixed-Declarations.html#Mixed-Declarations
Is definitely documented.
