[Bug rtl-optimization/68641] undefined variables implicitly considered to be zero

[Joost.VandeVondele at mat dot ethz.ch]

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.