[llvm] [LV] Fix another invalidated iterator in handleFindLastReductions (PR #185712)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp b/llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp
index 795cd5106..cee3a2f1d 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp
@@ -1463,9 +1463,9 @@ bool VPlanTransforms::handleFindLastReductions(VPlan &Plan) {
   SmallVector<VPReductionPHIRecipe *, 4> Phis;
   for (VPRecipeBase &Phi :
        Plan.getVectorLoopRegion()->getEntryBasicBlock()->phis()) {
-        auto *PhiR = dyn_cast<VPReductionPHIRecipe>(&Phi);
+    auto *PhiR = dyn_cast<VPReductionPHIRecipe>(&Phi);
     if (PhiR && RecurrenceDescriptor::isFindLastRecurrenceKind(
-                     PhiR->getRecurrenceKind()))
+                    PhiR->getRecurrenceKind()))
       Phis.push_back(PhiR);
   }
 

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https://github.com/llvm/llvm-project/pull/185712