The wrap flags from the IV bin-op are not guaranteed to apply to
truncated inductions, which are evaluated in narrower types.
Instead of dropping them late (in expandVPWidenIntOrFpInduction), do not
add them at the outset, the prevent invalid transforms based on
incorrect flags in the future.
PR: https://github.com/llvm/llvm-project/pull/188966
90c1c588f8