[llvm] [DebugInfo][LoopIdiomRecognize] Fix #82582: Wrong debug location update in processLoopStoreOfLoopLoad (PR #82608)

[Stephen Tozer via llvm-commits]

https://github.com/SLTozer commented:

Thanks for this, always good to catch these kind of DILocation issues - got a few minor comments on this, otherwise it looks good.

https://github.com/llvm/llvm-project/pull/82608