[llvm] [LV] Compute SCEV for memcheck before unlinking (PR #160326)

[David Sherwood via llvm-commits]

david-arm wrote:

> @david-arm Also worth checking if this patch doesn't open up the regression fixed by #160326

Isn't #160326 this PR, which hasn't landed yet?

https://github.com/llvm/llvm-project/pull/160326