[Bug fortran/96255] [F2018] Implement optional type spec for index in DO CONCURRENT

[jvdelisle at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96255
Bug 96255 depends on bug 78219, which changed state.

Bug 78219 Summary: [F08] specifying the kind of a FORALL index in the header
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78219

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