https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89925
--- Comment #10 from Tobias Burnus <burnus at gcc dot gnu.org> --- I think that could be the commit r12-5767-g6262e3a22b3d86afc116480bc59a7bb30b0cfd40 "fortran: Fix setting of array lower bound for named arrays" but I have not checked more deeply.