scanner parser erroneous warning about type pattern in class / typedef

With the latest compiler

sac2c -V
sac2c 1.3.3-MijasCosta-1125-g8ae1e
build-type: RELEASE
built-by: "sbs" at 2023-12-08T19:40:06

the following class:

class error;

classtype int[1];

triggers the following warning:

-sbs-n142230-> sac2c error.sac
error.sac:1:1: warning:
  Type patterns are currently not supported for type definitions. Ignoring all type variables.