[flang-commits] [flang] [Flang][OpenMP] Fix crash with character types in declare_reduction (PR #178038)

[Tom Eccles via flang-commits]

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

Thanks for the updates.

nit: please could you add a `TODO(loc, "OpenMP reduction allocation for dynamic length character");` and a test for that TODO message in flang/test/Lower/OpenMP/Todo/ so that the compiler fails without crashing.

https://github.com/llvm/llvm-project/pull/178038