[llvm] [VPlan] Update scalar induction resume values in VPlan. (PR #110577)

[Nikita Popov via llvm-commits]

nikic wrote:

Reverted because of crashes in llvm-test-suite when using stage 2 clang (https://llvm-compile-time-tracker.com/show_error.php?commit=4f7f71b7bccdc38f37b82981e8fa9ceb536a7016).

https://github.com/llvm/llvm-project/pull/110577