[clang] [llvm] [Clang] Fix cleanup attribute by delaying type checks after the type is deduced (PR #164440)

[Oliver Hunt via cfe-commits]

ojhunt wrote:

> Can you give me a godbolt link, so I can investigate?

Here you go: https://godbolt.org/z/o3Gnhfnoo



https://github.com/llvm/llvm-project/pull/164440