[llvm] [Instruction] Add missing implementation for `moveAfter(InstListType::iterator)` (PR #143093)

[Jeremy Morse via llvm-commits]

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@@ -197,6 +197,13 @@ void Instruction::moveAfter(Instruction *MovePos) {
   moveBeforeImpl(*MovePos->getParent(), NextIt, false);
 }
 
+void Instruction::moveAfter(InstListType::iterator MovePos) {
+  // We want this instruction to be moved to before NextIt in the instruction
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jmorse wrote:

On a second glance, I think this is supposed to be "after" as it's the `moveAfter` method, would you agree?

https://github.com/llvm/llvm-project/pull/143093