[clang] [llvm] [AArch64] Make width of stack protector guard value load configurable. (PR #195379)

[David Green via cfe-commits]

================

----------------
davemgreen wrote:

You are probably right. This was written so long ago that I dont remember if there was some special intention behind it, but without a test it was likely just an oversight.

https://github.com/llvm/llvm-project/pull/195379