[Bug fortran/78534] Use a larger integer type for character lengths on 64-bit targets

[jb at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78534
Bug 78534 depends on bug 83344, which changed state.

Bug 83344 Summary: Use of uninitialized memory with ASSOCIATE and strings
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83344

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED