Fix StringName leaks in VariantParser

core/string/string_name.cpp

@@ -100,11 +100,9 @@ void StringName::cleanup() {
 				lost_strings++;
 
 				if (OS::get_singleton()->is_stdout_verbose()) {
-					if (d->cname) {
-						print_line("Orphan StringName: " + String(d->cname));
-					} else {
-						print_line("Orphan StringName: " + String(d->name));
-					}
+					String dname = String(d->cname ? d->cname : d->name);
+
+					print_line(vformat("Orphan StringName: %s (static: %d, total: %d)", dname, d->static_count.get(), d->refcount.get()));
 				}
 			}
 
@@ -113,7 +111,7 @@ void StringName::cleanup() {
 		}
 	}
 	if (lost_strings) {
-		print_verbose("StringName: " + itos(lost_strings) + " unclaimed string names at exit.");
+		print_verbose(vformat("StringName: %d unclaimed string names at exit.", lost_strings));
 	}
 	configured = false;
 }

core/variant/variant_parser.cpp

@@ -1075,7 +1075,7 @@ Error VariantParser::parse_value(Token &token, Variant &value, Stream *p_stream,
 				return ERR_PARSE_ERROR;
 			}
 
-			static HashMap<StringName, Variant::Type> builtin_types;
+			static HashMap<String, Variant::Type> builtin_types;
 			if (builtin_types.is_empty()) {
 				for (int i = 1; i < Variant::VARIANT_MAX; i++) {
 					builtin_types[Variant::get_type_name((Variant::Type)i)] = (Variant::Type)i;

modules/webrtc/webrtc_peer_connection.cpp

@@ -40,14 +40,14 @@ StringName WebRTCPeerConnection::default_extension;
 
 void WebRTCPeerConnection::set_default_extension(const StringName &p_extension) {
 	ERR_FAIL_COND_MSG(!ClassDB::is_parent_class(p_extension, WebRTCPeerConnectionExtension::get_class_static()), vformat("Can't make %s the default WebRTC extension since it does not extend WebRTCPeerConnectionExtension.", p_extension));
-	default_extension = p_extension;
+	default_extension = StringName(p_extension, true);
 }
 
 WebRTCPeerConnection *WebRTCPeerConnection::create() {
 #ifdef WEB_ENABLED
 	return memnew(WebRTCPeerConnectionJS);
 #else
-	if (default_extension == String()) {
+	if (default_extension == StringName()) {
 		WARN_PRINT_ONCE("No default WebRTC extension configured.");
 		return memnew(WebRTCPeerConnectionExtension);
 	}