[SLPVectorizer] Test deleteTree.

[mgudim]

No description provided.

[alexey-bataev]

No, make it part of the original change, the assertion and the test

[github-actions]

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git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp

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diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 095e896c3..ca6ccabc0 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -2099,7 +2099,8 @@ public:
     UserIgnoreList = nullptr;
     PostponedGathers.clear();
     ValueToGatherNodes.clear();
-    assert(TreeEntryToStridedPtrInfoMap.empty() && "TreeEntryToStridedPtrInfoMap is not cleared");
+    assert(TreeEntryToStridedPtrInfoMap.empty() &&
+           "TreeEntryToStridedPtrInfoMap is not cleared");
   }
 
   unsigned getTreeSize() const { return VectorizableTree.size(); }