   0  -live- %r1
   0  goto_if_not_ptr_nonzero %r1, L1
   4  ref_copy %r1 -> %r0
   7  -live- %r0, %r1
   7  guard_class %r1 -> %i0
  10  -live- %i0, %r0
  10  goto_if_not_int_eq %i0, $<* struct object_vtable>, L2
  15  -live- %r0
  15  record_quasiimmut_field %r0, FieldDescr<pypy.module.micronumpy.descriptor.W_Dtype.inst_fields>, FieldDescr<pypy.module.micronumpy.descriptor.W_Dtype.mutate_fields>
  21  getfield_gc_r_pure %r0, FieldDescr<pypy.module.micronumpy.descriptor.W_Dtype.inst_fields> -> %r0
  26  -live- %r0
  26  goto_if_not_ptr_iszero %r0, L3
  30  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x100951d1e10> -> %r0
  34  setfield_gc_i %r0, $1, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  39  L4:
  39  ref_return %r0
  41  ---
  41  L3:
  41  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x100951d1e10> -> %r0
  45  setfield_gc_i %r0, $0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  50  goto L4
  53  ---
  53  L2:
  53  raise $<* struct object>
  55  ---
  55  L1:
  55  raise $<* struct object>
