[llvm] Fix: Changed parameter to const reference instead of pass-by-value (PR #150928)

[Yanzuo Liu via llvm-commits]

zwuis wrote:

Please [mention](https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue) the issue fixed by this patch in PR description.

https://github.com/llvm/llvm-project/pull/150928