https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110311
--- Comment #55 from Jürgen Reuter <juergen.reuter at desy dot de> --- Actually, according to my testing, the last commit where the gfortran produced failing code, ishttps://gcc.gnu.org/git/?p=gcc.git;a=commit;h=c496d15954cdeab7f9039328f94a6f62cf893d5f (Aldy Hernandez A singleton irange etc.) and the first one working again is https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=1f7e5a7b91862b999aab88ee0319052aaf00f0f1 (Vladimir Makarov) that seems to have fixed it. The commit from Vladimir fixed an issue in RTL, but I am not sure what to conclude from this.
