   0  inline_call_ir_r <JitCode 'interp_w__W_CPPInstance'>, I[$False], R[%r0] -> %r1
   8  -live- %r0, %r1
  11  goto_if_not_ptr_nonzero %r1, L1
  15  getfield_gc_i %r1, FieldDescr<pypy.module._cppyy.interp_cppyy.W_CPPInstance.inst_rt_flags> -> %i0
  20  int_or %i0, $4 -> %i0
  24  setfield_gc_i %r1, %i0, FieldDescr<pypy.module._cppyy.interp_cppyy.W_CPPInstance.inst_rt_flags>
  29  ref_return %r0
  31  ---
  31  L1:
  31  ref_return %r0
