[Bug fortran/64120] [F03] Wrong handling of allocatable character string

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64120

--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> Of course you'll get errors with 4.5.4 and 4.4.7.  Support
> for deferred parameter type was added in 4.6.

If I am not mistaken, the problem with this PR is allocatable scalars and not
deferred parameter type. The tests compile without error with 4.5.4.