[clang] [Clang] Disable use of the counted_by attribute for whole struct pointers (PR #112636)

[Jan Hendrik Farr via cfe-commits]

Cydox wrote:

But for now, I think we should merge #112786 into 19.1.3 so that the we can have that be the cutoff in the kernel.

https://github.com/llvm/llvm-project/pull/112636