[compiler-rt] [llvm] [MC/DC][Coverage] Introduce "Bitmap Bias" for continuous mode (PR #96126)

[NAKAMURA Takumi via llvm-commits]

chapuni wrote:

I am certain that this change won't affect current valid configurations. I will merge this tomorrow, several hours after, unless seeing strong objections.

https://github.com/llvm/llvm-project/pull/96126