https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77719
--- Comment #4 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> --- (In reply to Dominique d'Humieres from comment #3) > I > don't think the code is valid: spdim is an implicit real used uninitialized. yeah, auto-reduced from valid code. but thanks for confirming, BTW!