[llvm] [HWASan] personality-thunk should inherit BTI/GCS/PAC flags via createWithDefaultAttr (PR #139216)

[Florian Mayer via llvm-commits]

fmayer wrote:

Hmm I initially has this as well, but I am not sure if that's better. The Codegen looks at the function attributes, so that is what I decided to look at as well. 

https://github.com/llvm/llvm-project/pull/139216