[Bug fortran/44348] ICE in build_function_decl

[zeccav at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44348

--- Comment #9 from Vittorio Zecca <zeccav at gmail dot com> ---
No, it is not valid, but gfortran should signal this with an error message.
Not with a crash.