[clang] [clang][WebAssembly] Don't register this-returning destructors of reference temporaries directly with `__cxa_atexit` (PR #226619)

[Eli Friedman via cfe-commits]

efriedma-quic wrote:

In "squash" mode, the commit is always attributed to your GitHub account's email address, not the address on the commit.  (GitHub will automatically append a Co-authored-by line with your actual email, but that's less helpful.)

https://github.com/llvm/llvm-project/pull/226619