[Bug fortran/87939] [F18] Support STAT= and ERRMSG= specifiers to CRITICAL and TEAM statements

[weeks at iastate dot edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87939

--- Comment #1 from Nathan Weeks <weeks at iastate dot edu> ---
My bad: END CRITICAL does not accept STAT= or ERRMSG= arguments in Fortran
2018.