[clang] [clang] Implement a bitwise_copyable builtin type trait. (PR #86512)

[Ilya Biryukov via cfe-commits]

ilya-biryukov wrote:

Also, we need to fix formatting errors and make sure the CI is green.
E.g. the newly added test fails (needs an update to capture some notes).

https://github.com/llvm/llvm-project/pull/86512