gistfile1.txt

      sp_getarg_o       r1(3), liti16(0)               # Read the arg
      sp_p6oget_o       r8(3),   r1(3), liti16(16)     # Read Str from Scalar container
      sp_guardconc      r8(3), sslot(1), litui32(30)	 # Str:D type check of self; deopt if it fails
      takedispatcher    r3(2)                          # Clear any set dispatcher (probably can go?)
      sp_p6oget_s       r5(1),   r8(3), liti16(8)      # Read the str boxed in the Str
      chars             r6(1),   r5(1)                 # Call chars primitive
      p6box_i           r4(3),   r6(1)                 # Box the result
      return_o          r4(3)                          # Return it