[Bug fortran/69064] Unhelpful error message when a module variable was not included in the only list

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69064

--- Comment #38 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> Yeah that's what the bug is.  The only problem with the file or at least
> what prevents it from compiling is the missing variable declaration
> on line 2648, but instead of saying there is a missing variable it provides
> some other error.

An ICE may be an unhelpful error message, but it must be reported as such: it
is a bug in the compiler code. Could you provide the source defining
calc_param_mod and those it depends on?

What is the missing variable declaration?