[clang] [analyzer][clangsa] Add new option to alpha.security.cert.InvalidPtrChecker (PR #67663)

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https://github.com/DonatNagyE commented:

This PR contains several useful improvements and the implementation seems to be correct. I added some remarks in inline comments; and I'd be interested to see some results on real-world projects.

Moreover, consider adding a testcase which validates that this checker no longer "pollutes" reports from other checkers.

https://github.com/llvm/llvm-project/pull/67663