[Bug fortran/95104] Segfault on a legal WAIT statement

[longb at cray dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95104

--- Comment #3 from Bill Long <longb at cray dot com> ---
A comment from the original user:  gfortran 8.3.0 appears to do the right
thing. So perhaps a regression somewhere in the 9.x line?