   0  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x1009610abd0> -> %r0
   4  setfield_gc_r %r0, $<* array [  ]>, FieldDescr<pypy.module.exceptions.interp_exceptions.W_BaseException.inst_args_w>
   9  setfield_gc_r %r0, $<* array [  ]>, FieldDescr<pypy.interpreter.typedef.W_BaseExceptionUserSlots.inst_slots_w>
  14  ref_return %r0
