zend_closures.c: In Closure::__invoke() call the closure directly (php#17372)

This prevents a bunch of indirection which ultimately calls `zend_closure_get_closure()` anyway via the `get_closure` object handler.

Author: Girgias

Zend/zend_closures.c

@@ -40,6 +40,8 @@ typedef struct _zend_closure {
 ZEND_API zend_class_entry *zend_ce_closure;
 static zend_object_handlers closure_handlers;
 
+static zend_result zend_closure_get_closure(zend_object *obj, zend_class_entry **ce_ptr, zend_function **fptr_ptr, zend_object **obj_ptr, bool check_only);
+
 ZEND_METHOD(Closure, __invoke) /* {{{ */
 {
 	zend_function *func = EX(func);
@@ -51,9 +53,12 @@ ZEND_METHOD(Closure, __invoke) /* {{{ */
 		Z_PARAM_VARIADIC_WITH_NAMED(args, num_args, named_args)
 	ZEND_PARSE_PARAMETERS_END();
 
-	if (call_user_function_named(CG(function_table), NULL, ZEND_THIS, return_value, num_args, args, named_args) == FAILURE) {
-		RETVAL_FALSE;
-	}
+	zend_fcall_info_cache fcc = {
+		.closure = Z_OBJ_P(ZEND_THIS),
+	};
+	zend_closure_get_closure(Z_OBJ_P(ZEND_THIS), &fcc.calling_scope, &fcc.function_handler, &fcc.object, false);
+	fcc.called_scope = fcc.calling_scope;
+	zend_call_known_fcc(&fcc, return_value, num_args, args, named_args);
 
 	/* destruct the function also, then - we have allocated it in get_method */
 	zend_string_release_ex(func->internal_function.function_name, 0);