[clang-tools-extra] [clang-tidy] Add C++ member function support to custom bugprone-unsafe-functions matches (PR #117165)

[Congcong Cai via cfe-commits]

https://github.com/HerrCai0907 commented:

My first impression is this PR mixes two things. Besides supporting member function, it also add some new flag for it. Could you split it?
For supporting member function, the concept is fine for me.


https://github.com/llvm/llvm-project/pull/117165