[clang] [Clang] Overflow Pattern Exclusions (PR #100272)

[Nico Weber via cfe-commits]

nico wrote:

The test added here was tweaked a bit and then deleted in https://github.com/llvm/llvm-project/commit/07a8cbaf8dc16bebf6e875173d20299d9cc47cc5

What gives?

Instead of deleting tests, we should revert the PR that adds them and then reland the PR with working tests.

https://github.com/llvm/llvm-project/pull/100272