https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100904
--- Comment #11 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #10) > (In reply to Andrew Pinski from comment #9) > > I think the issue is here: > > /* This is a kludge. We want to have the ISO > > preprocessor lex the next token. */ > > pfile->buffer->cur = cur; > > > > We don't set up `buffer->rlimit`, `buffer->line_base`, nor > > `buffer->need_line` correctly. Which is why the line is off by 1 and the > > column is off by 2. > > I think I Have a fix for this. > > Now thinking about it, need_line being true before the call to > _cpp_handle_directive is causing PR 79516. Though there in_deferred_pragma > should be false at the point of #if anyways. So that is the right fix there > still. Here we definitely need to set it to false before calling > _cpp_handle_directive . So It is just need_line I think.
