[flang-commits] [flang] [flang] Fix ISO_Fortran_binding.h to work better with C++ code (PR #82556)

[Kiran Chandramohan via flang-commits]

https://github.com/kiranchandramohan approved this pull request.

LGTM.

There is a `flang/test/Integration` directory that might be a good place for the test. I don't know whether `cpp` tests run there though. 

https://github.com/llvm/llvm-project/pull/82556