[clang] [Clang] [Sema] Support matrix types in pseudo-destructor expressions (PR #117483)

[via cfe-commits]

Sirraide wrote:

> I definitely agree with a need to test this/validate codegen to make sure the destruciton 'looks' reasonable.

Done.

(And while adding the tests, I also discovered an unrelated bug: #118604)

https://github.com/llvm/llvm-project/pull/117483