https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94030
kargl at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kargl at gcc dot gnu.org --- Comment #4 from kargl at gcc dot gnu.org --- (In reply to markeggleston from comment #3) > A patch from Steve Kargl was sent to the fortran mailing list, (see > https://gcc.gnu.org/pipermail/fortran/2020-March/054130.html) without > reference to any PR. > > It appeared to be related to this PR. I have verified the patch and also > checked it with the test case in the original report. Techinically, it is related to https://stackoverflow.com/questions/60846187/fortran-equivalence-statement-with-array-length-from-subroutine-input In the stackoverflow thread, someone mentioned this is a regression going back to at least 6.5.