[llvm] [flang-rt] enable IsNamelistNameOrSlash lookahead for scalar namelist items (PR #211224)

[Kareem Ergawy via llvm-commits]

ergawy wrote:

> > Do the tests give enough context for the problem I am trying to fix?
> 
> I need both a Fortran reproducer and namelist file to get full context (e.g., what kind of I/O that was). It needs to be a github issue, so that we can discuss, in case this goes into the weeds of the Fortran spec, or in case something needs to be tweaked in flang extensions document.

Thanks for the clarification. Will do as you suggested. Until then, will put to draft and will come back after I finish some work I am in the middle of atm.

https://github.com/llvm/llvm-project/pull/211224