[clang] [analyzer] Workaround for unintended slowdown (scope increase) (PR #136720)

[Balazs Benics via cfe-commits]

steakhal wrote:

Do you have data about the analysis times per file, and per analysis entry point?
Compared against the current llvm main, and also if this workaround would restore the original running times before https://github.com/llvm/llvm-project/commit/bb27d5e5c6b194a1440b8ac4e5ace68d0ee2a849?

https://github.com/llvm/llvm-project/pull/136720