[flang] [llvm] [flang] Allow -fdefault-integer-8 with defined I/O (PR #148927)

[Daniel Chen via llvm-commits]

https://github.com/DanielCChen commented:

Thanks for the fix!
It fixed the `UNIT`. However, the option  `-fdefault-integer-8` seems affect the `v_list` as well as the full test case still fails with an incorrect`v_list`. 
Should I open a issue?

https://github.com/llvm/llvm-project/pull/148927