[clang] [analyzer] Splitting TaintPropagation checker into reporting and mode… (PR #98157)

[Daniel Krupp via cfe-commits]

dkrupp wrote:

Thanks for the review. I updated the patch with your suggestions.
-std::unique_pointer changed to std::optional
-I fixed documentation related grammatical and refernce errors.

https://github.com/llvm/llvm-project/pull/98157