[clang] [llvm] [clang][llvm][SPIR-V] Explicitly encode native integer widths for SPIR-V (PR #110695)

[Dmitry Sidorov via cfe-commits]

MrSidims wrote:

Don't get me wrong, what I'm saying is not an objection against the patch, but rather an attempt to test the waters :)

https://github.com/llvm/llvm-project/pull/110695