[llvm-branch-commits] [clang] [LifetimeSafety] Detect use-after-invalidation for STL containers (PR #179093)

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Sun Feb 1 02:02:58 PST 2026


github-actions[bot] wrote:

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


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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- clang/include/clang/Analysis/Analyses/LifetimeSafety/Facts.h clang/include/clang/Analysis/Analyses/LifetimeSafety/LifetimeAnnotations.h clang/include/clang/Analysis/Analyses/LifetimeSafety/LifetimeSafety.h clang/lib/Analysis/LifetimeSafety/Checker.cpp clang/lib/Analysis/LifetimeSafety/Dataflow.h clang/lib/Analysis/LifetimeSafety/Facts.cpp clang/lib/Analysis/LifetimeSafety/FactsGenerator.cpp clang/lib/Analysis/LifetimeSafety/LifetimeAnnotations.cpp clang/lib/Analysis/LifetimeSafety/LoanPropagation.cpp clang/lib/Sema/AnalysisBasedWarnings.cpp --diff_from_common_commit
``````````

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changing `origin/main` to the base branch/commit you want to compare against.
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<details>
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Analysis/LifetimeSafety/LifetimeAnnotations.cpp b/clang/lib/Analysis/LifetimeSafety/LifetimeAnnotations.cpp
index 0c8ab72e5..dd4e2e16a 100644
--- a/clang/lib/Analysis/LifetimeSafety/LifetimeAnnotations.cpp
+++ b/clang/lib/Analysis/LifetimeSafety/LifetimeAnnotations.cpp
@@ -250,7 +250,8 @@ bool isContainerInvalidationMethod(const CXXMethodDecl *MD) {
   bool IsAssociativeContainer =
       ContainerName == "set" || ContainerName == "multiset" ||
       ContainerName == "map" || ContainerName == "multimap" ||
-      ContainerName == "unordered_set" || ContainerName == "unordered_multiset" ||
+      ContainerName == "unordered_set" ||
+      ContainerName == "unordered_multiset" ||
       ContainerName == "unordered_map" || ContainerName == "unordered_multimap";
 
   if (!IsSequenceContainer && !IsAssociativeContainer)

``````````

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https://github.com/llvm/llvm-project/pull/179093


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