   0  getfield_gc_i %r0, FieldDescr<unicodebuilder.current_end> -> %i2
   5  getfield_gc_i %r0, FieldDescr<unicodebuilder.current_pos> -> %i3
  10  int_sub %i2, %i3 -> %i2
  14  getfield_gc_r %r0, FieldDescr<unicodebuilder.current_buf> -> %r2
  19  copyunicodecontent %r1, %r2, %i0, %i3, %i2
  25  int_add %i0, %i2 -> %i0
  29  int_sub %i1, %i2 -> %i1
  33  inline_call_ir_v <JitCode 'll_grow_by__unicodebuilderPtr_Signed'>, I[%i1], R[%r0]
  40  -live- %i0, %i1, %r0, %r1
  40  setfield_gc_i %r0, %i1, FieldDescr<unicodebuilder.current_pos>
  45  getfield_gc_r %r0, FieldDescr<unicodebuilder.current_buf> -> %r0
  50  copyunicodecontent %r1, %r0, %i0, $0, %i1
  56  void_return
