https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94377
--- Comment #3 from Fred Krogh <siteg at mathalacarte dot com> ---
Just got GNU Fortran (GCC) 9.3.1 20200317 (Red Hat 9.3.1-1). I gives the error
$ gfortran -g -o pdt pdt.f90
pdt.f90:20:0:
20 | deallocate(av, stat=ista)
|
internal compiler error: in gimplify_var_or_parm_decl, at gimplify.c:2755
0x7f48161671a2 __libc_start_main
../csu/libc-start.c:308
