   0  residual_call_r_r $<* fn get_nonmovingbuffer_final_null>, R[%r0], <CallDescr(r) EF=5> -> %r1
   7  -live- %i0, %r0, %r1
   7  getfield_gc_i_pure %r1, FieldDescr<tuple2.item0> -> %i1
  12  getfield_gc_i_pure %r1, FieldDescr<tuple2.item1> -> %i2
  17  residual_call_ir_i $<* fn ccall_initgroups__arrayPtr_Unsigned>, I[%i1, %i0], R[], <CallDescr(ii) EF=7> -> %i0
  26  -live- %i0, %i1, %i2, %r0
  26  residual_call_ir_v $<* fn free_nonmovingbuffer>, I[%i1, %i2], R[%r0], <CallDescr(rii) EF=2>
  35  inline_call_ir_i <JitCode 'handle_posix_error__initgroups'>, I[%i0], R[$<* struct rpy_string>] -> %i0
  43  -live-
  43  void_return
