message: Update test to cover variable declaration inside for-loop header.
  issues
diff: +//- @uint defines/binding Uint
  +typedef int uint;
  +
  //- @my_module defines/binding _
  module my_module();
  //- @y defines/binding Y
  int y = 0;
  initial begin
  + //- @uint ref Uint
  //- @#0x defines/binding X
  //- @#1x ref X
  //- @#2x ref X
  