[llvm-branch-commits] [libcxx] [llvm] [libc++][C++03] Use `__cxx03/` headers in C++03 mode (PR #109002)

[Louis Dionne via llvm-branch-commits]

https://github.com/ldionne commented:

I think this makes sense, however I would like you to post this PR to the RFC, since we mentioned back then that the decision of Driver vs conditional includes would be best taken based on actual proposed changes. This will give this patch a bit more visibility and we can ensure that we have consensus on moving forward with this implementation strategy.

https://github.com/llvm/llvm-project/pull/109002