llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-analysis

Author: Kazu Hirata (kazutakahirata)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/126378.diff


1 Files Affected:

- (modified) clang/lib/Analysis/UninitializedValues.cpp (+4-2) 


``````````diff
diff --git a/clang/lib/Analysis/UninitializedValues.cpp 
b/clang/lib/Analysis/UninitializedValues.cpp
index bf2f7306186507e..3a052eb27a444f4 100644
--- a/clang/lib/Analysis/UninitializedValues.cpp
+++ b/clang/lib/Analysis/UninitializedValues.cpp
@@ -379,8 +379,10 @@ void ClassifyRefs::classify(const Expr *E, Class C) {
   }
 
   FindVarResult Var = findVar(E, DC);
-  if (const DeclRefExpr *DRE = Var.getDeclRefExpr())
-    Classification[DRE] = std::max(Classification[DRE], C);
+  if (const DeclRefExpr *DRE = Var.getDeclRefExpr()) {
+    auto &Class = Classification[DRE];
+    Class = std::max(Class, C);
+  }
 }
 
 void ClassifyRefs::VisitDeclStmt(DeclStmt *DS) {

``````````

</details>


https://github.com/llvm/llvm-project/pull/126378
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