Backport #111827 to 19.x

[hvdijk]

I would like to see #111827 applied to the release/19.x branch to fix the false positives in UBSan.

/cherry-pick 0d3d9b0

[llvmbot]

Failed to cherry-pick: 0d3d9b0

https://github.com/llvm/llvm-project/actions/runs/11664420780

Please manually backport the fix and push it to your github fork. Once this is done, please create a pull request

[hvdijk]

Oops, specified the commit hash before the squash.

/cherry-pick 01a103b

[llvmbot]

/pull-request #114786