   0  -live- %r0
   0  goto_if_not_ptr_nonzero %r0, L1
   4  ref_copy %r0 -> %r1
   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  getfield_gc_r %r0, FieldDescr<pypy.module.__pypy__.interp_builders.W_StringBuilder.inst_builder> -> %r0
  20  ref_isvirtual %r0 -> %i0
  23  -live- %i0, %r0
  23  goto_if_not %i0, L3
  27  getfield_gc_r %r0, FieldDescr<stringbuilder.extra_pieces> -> %r1
  32  -live- %r0, %r1
  32  goto_if_not_ptr_nonzero %r1, L4
  36  residual_call_r_v $<* fn ll_fold_pieces__stringbuilderPtr>, R[%r0], <CallDescr(r) EF=5>
  42  -live- %r0
  42  L5:
  42  getfield_gc_r %r0, FieldDescr<stringbuilder.current_buf> -> %r0
  47  L6:
  47  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x7fff481d5aa0> -> %r1
  51  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  56  ref_return %r1
  58  ---
  58  L4:
  58  getfield_gc_i %r0, FieldDescr<stringbuilder.current_pos> -> %i0
  63  getfield_gc_i %r0, FieldDescr<stringbuilder.total_size> -> %i1
  68  -live- %i0, %i1, %r0
  68  goto_if_not_int_ne %i0, %i1, L7
  73  getfield_gc_r %r0, FieldDescr<stringbuilder.current_buf> -> %r1
  78  residual_call_ir_r $<* fn ll_shrink_array__rpy_stringPtr_Signed>, I[%i0], R[%r1], <CallDescr(ri) EF=5 OS_SHRINK_ARRAY> -> %r1
  87  -live- %i0, %r0, %r1
  87  setfield_gc_r %r0, %r1, FieldDescr<stringbuilder.current_buf>
  92  setfield_gc_i %r0, %i0, FieldDescr<stringbuilder.current_end>
  97  setfield_gc_i %r0, %i0, FieldDescr<stringbuilder.total_size>
 102  goto L5
 105  ---
 105  L7:
 105  goto L5
 108  ---
 108  L3:
 108  residual_call_r_r $<* fn ll_build_trampoline__v1609___simple_call__function_>, R[%r0], <CallDescr(r) EF=5> -> %r0
 115  -live- %r0
 115  goto L6
 118  ---
 118  L2:
 118  L8:
 118  -live- %r0
 118  guard_class %r0 -> %i0
 121  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_getclass> -> %i0
 126  getfield_raw_i %i0, FieldDescr<specfunc.variant0> -> %i0
 131  -live- %i0, %r0
 131  int_guard_value %i0
 133  residual_call_r_r %i0, <IndirectCallTargets>, R[%r0], <CallDescr(r) EF=2> -> %r1
 140  -live- %r1
 140  inline_call_r_r <JitCode 'oefmt____s__object_expected__got___N__instead_star_2'>, R[$<* struct pypy.objspace.std.typeobject.W_TypeObject>, $<* struct rpy_string>, $<* struct rpy_string>, %r1] -> %r1
 149  -live- %r1
 149  assert_not_none %r1
 151  -live- %r1
 151  guard_class %r1 -> %i0
 154  -live- %r1
 154  raise %r1
 156  ---
 156  L1:
 156  goto L8
