[llvm] [JumpThreading] Invalidate LVI after `combineMetadataForCSE`. (PR #65219)

[via llvm-commits]

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@@ -1969,6 +1973,11 @@ void LazyValueInfo::threadEdge(BasicBlock *PredBB, BasicBlock *OldSucc,
   }
 }
 
+void LazyValueInfo::eraseValue(Value *V, const Module *M) {
+  if (PImpl)
+    getImpl(PImpl, AC, M).eraseValue(V);
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DianQK wrote:

The `M` makes no sense. I just deleted it.
I want to backport the first two commits. So I will split the refactoring into a third commit.

https://github.com/llvm/llvm-project/pull/65219