Add argument to attributes

This currently fails because we can't compile an attribute twice --
same issue as with constructor property promotion.

Author: nikic

Zend/tests/attributes/014_class_const_group.phpt

@@ -5,7 +5,7 @@ Attributes can be applied to groups of class constants
 
 class C
 {
-    #[A]
+    #[A(1)]
     public const A = 1, B = 2;
 }
 

Zend/tests/attributes/015_property_group.phpt

@@ -5,7 +5,7 @@ Attributes can be applied to groups of properties
 
 class C
 {
-    #[A]
+    #[A(1)]
     public $x, $y;
 }