================
@@ -3068,11 +3111,174 @@ void MallocChecker::checkDeadSymbols(SymbolReaper
&SymReaper,
C.addTransition(state->set<RegionState>(RS), N);
}
+// Use isWithinStdNamespace from CheckerHelpers.h instead of custom
+// implementation
+
+// Allowlist of owning smart pointers we want to recognize.
+// Start with unique_ptr and shared_ptr. (intentionally exclude weak_ptr)
+static bool isSmartOwningPtrType(QualType QT) {
+ QT = QT->getCanonicalTypeUnqualified();
+
+ // First try TemplateSpecializationType (for std smart pointers)
+ const auto *TST = QT->getAs<TemplateSpecializationType>();
+ if (TST) {
+ const TemplateDecl *TD = TST->getTemplateName().getAsTemplateDecl();
+ if (!TD)
+ return false;
+
+ const auto *ND = dyn_cast_or_null<NamedDecl>(TD->getTemplatedDecl());
+ if (!ND)
+ return false;
+
+ // Check if it's in std namespace
+ if (!isWithinStdNamespace(ND))
+ return false;
+
+ StringRef Name = ND->getName();
+ return Name == "unique_ptr" || Name == "shared_ptr";
+ }
+
+ // Also try RecordType (for custom smart pointer implementations)
+ const auto *RD = QT->getAsCXXRecordDecl();
+ if (RD) {
+ StringRef Name = RD->getName();
+ if (Name == "unique_ptr" || Name == "shared_ptr") {
----------------
pskrgag wrote:
nit: this looks like a duplicate of 3138. I think it would be better to factor
it out into separate lambda.
https://github.com/llvm/llvm-project/pull/152751
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