[llvm] [LV] Widen truncated induction updates, not just truncated phis (PR #220730)

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github-actions[bot] wrote:

Failed to get test-suite diff from a1a2d57627695fb86438229340cba87560ab2c9b...4879c1b07eccdfac7c58f9ec4d139da96f7912ba: https://github.com/llvm/llvm-project/actions/runs/34220675019

https://github.com/llvm/llvm-project/pull/220730