[llvm-branch-commits] [clang] [LifetimeSafety] Add script for performance benchmarking (PR #147315)

[Yitzhak Mandelbaum via llvm-branch-commits]

ymand wrote:

Looks good overall, but I'm not terribly familiar with Python. I'm comfortable relying on Gabor's approval, though.

https://github.com/llvm/llvm-project/pull/147315