https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68950
--- Comment #14 from Tom de Vries <vries at gcc dot gnu.org> --- (In reply to Tobias Burnus from comment #13) > I believe this has been fixed properly by the patch for PR fortran/79886 in > r246203 by adding the following to gcc/fortran/error.c's gfc_format_decoder: > > default: > - return false; > + /* Fall through info the middle-end decoder, as e.g. stor-layout.c > + etc. diagnostics can use the FE printer while the FE is still > + active. */ > + return default_tree_printer (pp, text, spec, precision, wide, > + set_locus, hash); > > HENCE: Closed as FIXED. > > @Tom: Sorry for now following up to your RFC patch of 2015 and two-follow-up > pings in 2016 and 2018. — I strongly believe the mentioned patch by Jakub > fixes the issue properly; if you disagree, feel free to reopen this PR. Ack, thanks for following up :)