[llvm] [SLPVectorizer] Clear `TreeEntryToStridedPtrInfoMap`. (PR #160544)

[Mikhail Gudim via llvm-commits]

mgudim wrote:

sorry, I don't understand what you mean. If I add an assertion somewhere that map is not cleared, it will break llvm for everyone until the commit which clears the map is merged

https://github.com/llvm/llvm-project/pull/160544