[clang-tools-extra] [clang-tidy] Fix false positive in cert-ctr56-cpp(PointerArithmeticOnPolymorphicObjectCheck) (PR #187452)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- 
clang-tools-extra/clang-tidy/bugprone/PointerArithmeticOnPolymorphicObjectCheck.cpp
 --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git 
a/clang-tools-extra/clang-tidy/bugprone/PointerArithmeticOnPolymorphicObjectCheck.cpp
 
b/clang-tools-extra/clang-tidy/bugprone/PointerArithmeticOnPolymorphicObjectCheck.cpp
index ac886143b..ef5fee9f3 100644
--- 
a/clang-tools-extra/clang-tidy/bugprone/PointerArithmeticOnPolymorphicObjectCheck.cpp
+++ 
b/clang-tools-extra/clang-tidy/bugprone/PointerArithmeticOnPolymorphicObjectCheck.cpp
@@ -53,8 +53,9 @@ void 
PointerArithmeticOnPolymorphicObjectCheck::registerMatchers(
                                        ? PointerExprWithVirtualMethod
                                        : PolymorphicPointerExpr;
 
-  const auto ArraySubscript = 
expr(arraySubscriptExpr(hasBase(SelectedPointerExpr)),
-                                   unless(isInstantiationDependent()));
+  const auto ArraySubscript =
+      expr(arraySubscriptExpr(hasBase(SelectedPointerExpr)),
+           unless(isInstantiationDependent()));
 
   const auto BinaryOperators =
       binaryOperator(hasAnyOperatorName("+", "-", "+=", "-="),

``````````

</details>


https://github.com/llvm/llvm-project/pull/187452
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