[clang] [Clang] Fix __is_array returning true for zero-sized arrays (PR #86652)

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


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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``````````bash
git-clang-format --diff 5b544b511c7133fcb26a5c563b746a4baefb38d6 90f88bdac3dc40635c58f3f67e29354e6a32896e -- clang/lib/Sema/SemaExprCXX.cpp clang/test/SemaCXX/type-traits.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp
index 93d2b4b259..46dd14a871 100644
--- a/clang/lib/Sema/SemaExprCXX.cpp
+++ b/clang/lib/Sema/SemaExprCXX.cpp
@@ -5145,7 +5145,7 @@ static bool EvaluateUnaryTypeTrait(Sema &Self, TypeTrait UTT,
   case UTT_IsArray:
     // zero-sized arrays aren't considered arrays in partial specializations,
     // so __is_array shouldn't consider them arrays either.
-    if (const auto* CAT = C.getAsConstantArrayType(T))
+    if (const auto *CAT = C.getAsConstantArrayType(T))
       return CAT->getSize() != 0;
     return T->isArrayType();
   case UTT_IsBoundedArray:

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https://github.com/llvm/llvm-project/pull/86652