   0  residual_call_ir_i $<* fn ccall_WEXITSTATUS__Signed>, I[%i0], R[], <CallDescr(i) EF=7> -> %i0
   8  -live- %i0
   8  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x100951d1e10> -> %r0
  12  setfield_gc_i %r0, %i0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  17  ref_return %r0
