   0  -live- %r1
   0  goto_if_not_ptr_iszero %r1, L1
   4  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x43a05710> -> %r0
   8  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<pypy.interpreter.error.OpErrFmtNoArgs.inst__value>
  13  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  18  -live- %r0
  18  raise %r0
  20  ---
  20  L1:
  20  ref_return %r1
