[update_cc_test_checks] Add test for missing handling of mangled names
We are missing MSVC C++ functions since the name is quoted in the LLVM IR,
so we don't find them in the generated IR and therefore don't add the test
checks. Additionally, there is an issue with finding functions using NEON
types (see https://github.com/llvm/llvm-project/pull/121800).
Pull Request: https://github.com/llvm/llvm-project/pull/121976