On Mon, Jun 29, 2026 at 12:42:30PM -0400, Jason Merrill wrote:
> On 6/29/26 4:27 AM, Jakub Jelinek wrote:
> > On Fri, Jun 12, 2026 at 06:47:15PM +0200, Jakub Jelinek wrote:
> > > The following patch on top of the just posted -std=c++29 patch
> > > implements the C++29 P3540R3 - #embed offset parameter paper.
> >
> > I've missed the bump of the feature test macro in that paper,
> > this updated version bumps it.
> >
> > Bootstrapped/regtested again on x86_64-linux and i686-linux, ok for trunk?
> >
> > @@ -1241,6 +1243,9 @@ _cpp_parse_embed_params (cpp_reader *pfi
> > && memcmp (param_name, embed_params[i].name,
> > param_name_len) == 0)
> > {
> > + if (i == EMBED_PARAM_OFFSET
> > + && !CPP_OPTION (pfile, cplusplus))
> > + continue;
>
> So in C the "offset" parameter will give an "unknown" error? Why not an
> "extension" pedwarn like in C++ before 29?
I wanted to wait until ThePhd pushes this into C29 too (which I think is the
plan, N3490 has it).
Until then, I see no reason to add an extension for C when we already
have one (gnu::offset).
Jakub
