[clang] [llvm] [SPARC] Align i128 to 16 bytes in SPARC datalayouts (PR #106951)

[Nikita Popov via llvm-commits]

nikic wrote:

> I guess this is a breaking change?

Yes, but as previously discussed, it's acceptable breakage.

> Following the discussion in the linked revision it looks like this also needs some AutoUpgrade changes.

Yes, this should be handled in UpgradeDataLayoutString(). 

https://github.com/llvm/llvm-project/pull/106951