[clang] [CIR] Emit init of local variables (PR #130164)

[Erich Keane via cfe-commits]

https://github.com/erichkeane commented:

1 comment, but I don't feel comfortable approving this with some of the work, so I'll count on the CIR reviewers (David, Henrick, Bruno, Nathan, etc) to do the approval.

https://github.com/llvm/llvm-project/pull/130164