[compiler-rt] [win/asan] Support instructions in GetInstructionSize used by Wine. (PR #113085)

[Martin Storsjö via llvm-commits]

https://github.com/mstorsjo commented:

If this interacts with https://github.com/llvm/llvm-project/commit/8417f6af54c8f6dcf5893ab1352b50bf33c5a1ba, can you rebase this change past that, to make things clearer with how it fits together with that?

https://github.com/llvm/llvm-project/pull/113085