   0  strlen %r1 -> %i0
   3  -live- %i0, %r0, %r1
   3  goto_if_not_int_is_true %i0, L1
   7  inline_call_irf_f <JitCode 'strtod'>, I[], R[%r1], F[] -> %f0
  15  -live- %f0, %r0
  15  setfield_gc_f %r0, %f0, FieldDescr<pypy.module._cppyy.converter.DoubleConverter.inst_default>
  20  void_return
  21  ---
  21  L1:
  21  setfield_gc_f %r0, $0.0, FieldDescr<pypy.module._cppyy.converter.DoubleConverter.inst_default>
  26  void_return
