[clang] [llvm] [clang][coverage] Add opt-in call continuation counters for coverage (PR #201079)

[Ankur raj via cfe-commits]

ankurrj7 wrote:

> existing discussion and proposal

thanks .
I have posted the requested  https://discourse.llvm.org/t/rfc-clang-coverage-add-opt-in-call-continuation-counters-to-source-based-coverage/91301  RFC describing the motivation, cross-translation-unit case, why a mapping-only change is insufficient, the prototype implementation, overhead, alternatives, and the RegionCounterMap design question:

https://github.com/llvm/llvm-project/pull/201079