https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93253
--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Tobias Burnus <bur...@gcc.gnu.org>: https://gcc.gnu.org/g:c35a3046247c495509610b50c7a85683d540811a commit r10-5994-gc35a3046247c495509610b50c7a85683d540811a Author: Tobias Burnus <tob...@codesourcery.com> Date: Thu Jan 16 08:50:57 2020 +0100 PR93253 – Document BOZ changes, make it friendlier in legacy code PR fortran/93253 * check.c (gfc_invalid_boz): Mention -fallow-invalid-boz in the error message. * gfortran.texi (BOZ literal constants): List another missing extension and refer to -fallow-invalid-boz. * lang.opt (fallow-invalid-boz): Also mention 'X' in the help text as it is not covered by the previous wording. * primary.c (match_boz_constant): Tweak wording such that it is clear how to fix the nonstandard use. PR fortran/93253 * fortran.dg/boz_7.f90: Updated dg-error.