[Bug fortran/70233] Missing diagnostic in array constructor, different size strings

[jvdelisle at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70233

--- Comment #9 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
Dominique, thanks for finding this. It even makes sense; if the typespec is
given one knows what the size of the string is.  If not given, how does one
decide which is the right size, so require that they all be equal.