[clang] [llvm] WIP - [Distributed ThinLTO] Support Unicode characters (PR #193931)

[Ben Dunbobbin via llvm-commits]

bd1976bris wrote:

I'm closing this and replacing it with a change focused on writing the combined index: https://github.com/llvm/llvm-project/pull/194320.

If we want a general test for Unicode characters I believe that we should create a DTLTO test in the cross-projects-test area as DTLTO re-writes the module path in some cases.

https://github.com/llvm/llvm-project/pull/193931