[sv-bc] Forward reference of baseclass

Hi

Consider the scenario :
 module top;
 class C #(parameter type T = int) extends T #(3);
 endclass
 class D #(parameter p = 1);
 endclass

 C #( D #(2)) x = new;

endmodule

If this case is syntactically and semantically correct then what 
parameter value should be propagated to the class 'D'.
Whether it should be  '2'  from  'D  #(2)' or '3' from 'T #(3)' ?

Regards
Alok



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