[clang] [StaticAnalyzer][MallocChecker] Detect use-after-free for field address (e.g., &ptr->field) (PR #152462)

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github-actions[bot] wrote:

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


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

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<summary>
You can test this locally with the following command:
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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions c,cpp -- clang/test/Analysis/malloc-checker-arg-uaf.c clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp
``````````

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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp
index ad1d20779..8488c53c6 100644
--- a/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp
@@ -3163,7 +3163,7 @@ void MallocChecker::checkPreCall(const CallEvent &Call,
       SymbolRef Sym = nullptr;
       if (const auto *SR = dyn_cast<SymbolicRegion>(BaseRegion))
         Sym = SR->getSymbol();
-      if (!Sym) 
+      if (!Sym)
         continue;
       if (checkUseAfterFree(Sym, C, Call.getArgExpr(I)))
         return;

``````````

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https://github.com/llvm/llvm-project/pull/152462