================
@@ -3068,11 +3107,217 @@ void MallocChecker::checkDeadSymbols(SymbolReaper
&SymReaper,
C.addTransition(state->set<RegionState>(RS), N);
}
+static QualType canonicalStrip(QualType QT) {
+ return QT.getCanonicalType().getUnqualifiedType();
+}
+
+static bool isInStdNamespace(const DeclContext *DC) {
+ while (DC) {
+ if (const auto *NS = dyn_cast<NamespaceDecl>(DC))
+ if (NS->isStdNamespace())
+ return true;
+ DC = DC->getParent();
+ }
+ return false;
+}
+
+// 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 = canonicalStrip(QT);
+
+ // 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
+ const DeclContext *DC = ND->getDeclContext();
+ if (!isInStdNamespace(DC))
+ return false;
----------------
ivanmurashko wrote:
Updated to pass NamedDecl * directly to isWithinStdNamespace
https://github.com/llvm/llvm-project/pull/152751
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