[clang] [PowerPC] Support local-dynamic TLS relocation on AIX (PR #66316)

[Felix via cfe-commits]

orcguru wrote:

> Also, is it intentional that we combined the patch to enable local-dynamic in clang within this patch? Just wondering since I thought I saw a separate patch for the clang portion before (unless I am mistaken).

Yes, I have to combine all changes into a monolithic patch, similar reason as mentioned by Kai. Otherwise those smaller patches will have to be serialized, review and commit one-by-one.

https://github.com/llvm/llvm-project/pull/66316