[clang] [llvm] Reapply "[HWASan] remove incorrectly inferred attributes" (#106622) (PR #106624)

[David Spickett via cfe-commits]

DavidSpickett wrote:

I'm wary of reverting because I'm not 100% sure your later commit isn't related to this. So I'll leave it to you to decide.

I/ we (Linaro) can look into this on the hardware but I myself will be finished work for the week by the time you start I expect. Feel free to ping me next week though.

https://github.com/llvm/llvm-project/pull/106624