[clang] Split -Wcast-function-type into a separate group (PR #86131)

[Amy Kwan via cfe-commits]

amy-kwan wrote:

I have also found one more that is not related to the sanitizers, but when `llvm-project/llvm/lib/IR/Core.cpp`: https://lab.llvm.org/buildbot/#/builders/36/builds/43840/steps/12/logs/stdio

Would it be possible to also resolve this one, as well?


https://github.com/llvm/llvm-project/pull/86131