[clang] [analyzer] Fix a false memory leak reports involving placement new (PR #144341)

via cfe-commits cfe-commits at lists.llvm.org
Mon Jun 16 05:36:57 PDT 2025


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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You can test this locally with the following command:
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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp -- clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp clang/test/Analysis/NewDelete-checker-test.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 4a78f6479..c0b08d9a2 100644
--- a/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/MallocChecker.cpp
@@ -1375,7 +1375,8 @@ bool isVoidStar(QualType T) {
   return !T.isNull() && T->isPointerType() && T->getPointeeType()->isVoidType();
 }
 
-const Expr* getPlacementNewBufferArg(const CallExpr *CE, const FunctionDecl *FD) {
+const Expr *getPlacementNewBufferArg(const CallExpr *CE,
+                                     const FunctionDecl *FD) {
   if (CE->getNumArgs() == 1)
     return nullptr;
   // Second argument of placement new must be void*

``````````

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https://github.com/llvm/llvm-project/pull/144341


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