Merge pull request #51456 from SaracenOne/super_init_fix

Call _init on base class if one does not exist.

modules/gdscript/gdscript.cpp

@@ -87,6 +87,19 @@ Object *GDScriptNativeClass::instantiate() {
 	return ClassDB::instantiate(name);
 }
 
+GDScriptFunction *GDScript::_super_constructor(GDScript *p_script) {
+	if (p_script->initializer) {
+		return p_script->initializer;
+	} else {
+		GDScript *base = p_script->_base;
+		if (base != nullptr) {
+			return _super_constructor(base);
+		} else {
+			return nullptr;
+		}
+	}
+}
+
 void GDScript::_super_implicit_constructor(GDScript *p_script, GDScriptInstance *p_instance, Callable::CallError &r_error) {
 	GDScript *base = p_script->_base;
 	if (base != nullptr) {
@@ -135,6 +148,8 @@ GDScriptInstance *GDScript::_create_instance(const Variant **p_args, int p_argco
 	if (p_argcount < 0) {
 		return instance;
 	}
+
+	initializer = _super_constructor(this);
 	if (initializer != nullptr) {
 		initializer->call(instance, p_args, p_argcount, r_error);
 		if (r_error.error != Callable::CallError::CALL_OK) {

modules/gdscript/gdscript.h

@@ -130,6 +130,7 @@ class GDScript : public Script {
 
 	SelfList<GDScriptFunctionState>::List pending_func_states;
 
+	GDScriptFunction *_super_constructor(GDScript *p_script);
 	void _super_implicit_constructor(GDScript *p_script, GDScriptInstance *p_instance, Callable::CallError &r_error);
 	GDScriptInstance *_create_instance(const Variant **p_args, int p_argcount, Object *p_owner, bool p_is_ref_counted, Callable::CallError &r_error);