[clang] [Clang] Initialize bypassed variables w/ trivial-auto-var-init (PR #181937)

[Eli Friedman via cfe-commits]

efriedma-quic wrote:

I saw the same thing on a different PR; pressing "Update branch" (merging the latest commit from main) seemed to resolve the issue.

https://github.com/llvm/llvm-project/pull/181937