[clang] [analyzer] Explicitly register NoStoreFuncVisitor from alpha.unix.cst… (PR #108373)

[Donát Nagy via cfe-commits]

https://github.com/NagyDonat commented:

I like this simplified variant, it's really straightforward now. I added a few inline comments (mostly copied from #106982), but after that I'm satisfied with the change.

https://github.com/llvm/llvm-project/pull/108373