Happens, let me extend a virtual hug of sympathy!
My understanding is that nvfortran is under minimal maintenance as Nvidia is investing heavily on flang Welcome to Flang’s documentation — The Flang Compiler, which I imagine will replace it once it reaches production readiness.
If you want to do GPU programming and also use (help improve maybe?) stdlib, you can consider installing the GNU offloading extension instead. You might not get the top notch performance from the vendors compilers but at least get the gists of the craft.
If you haven’t read it yet, I’m suspecting this whole thread might interest you GPU offloading in Fortran - #34 by hkvzjal