AC: Update unsupported_special_methods (GH-24956)

Author: corona10

Tools/clinic/clinic.py

@@ -2159,7 +2159,6 @@ def __repr__(self):
 __mod__
 __mul__
 __neg__
-__new__
 __next__
 __or__
 __pos__
@@ -4227,6 +4226,9 @@ def state_modulename_name(self, line):
         module, cls = self.clinic._module_and_class(fields)
 
         fields = full_name.split('.')
+        if fields[-1] in unsupported_special_methods:
+            fail(f"{fields[-1]} is a special method and cannot be converted to Argument Clinic!  (Yet.)")
+
         if fields[-1] == '__new__':
             if (self.kind != CLASS_METHOD) or (not cls):
                 fail("__new__ must be a class method!")
@@ -4237,8 +4239,6 @@ def state_modulename_name(self, line):
             self.kind = METHOD_INIT
             if not return_converter:
                 return_converter = init_return_converter()
-        elif fields[-1] in unsupported_special_methods:
-            fail(fields[-1] + " is a special method and cannot be converted to Argument Clinic!  (Yet.)")
 
         if not return_converter:
             return_converter = CReturnConverter()