https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68641
--- Comment #12 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> --- (In reply to Marc Glisse from comment #11) > That sounds like a bug. It works for me on a simple C testcase. sorry, fat fingers on my side. So, yes, this works gfortran -c -Werror=uninitialized -Wno-maybe-uninitialized test.f90 I believe this would practically resolve this PR from my point of view.