   0  residual_call_r_r $<* fn get_nonmovingbuffer_final_null>, R[%r0], <CallDescr(r) EF=5> -> %r1
   7  -live- %i0, %i1, %r0, %r1
   7  getfield_gc_i_pure %r1, FieldDescr<tuple2.item0> -> %i2
  12  getfield_gc_i_pure %r1, FieldDescr<tuple2.item1> -> %i3
  17  int_signext %i0, $4 -> %i0
  21  int_signext %i1, $4 -> %i1
  25  residual_call_ir_i $<* fn ccall_open__arrayPtr_INT_INT>, I[%i2, %i0, %i1], R[], <CallDescr(iii) EF=7> -> %i0
  35  -live- %i0, %i2, %i3, %r0
  35  residual_call_ir_v $<* fn free_nonmovingbuffer>, I[%i2, %i3], R[%r0], <CallDescr(rii) EF=2>
  44  -live- %i0
  44  goto_if_not_int_lt %i0, $0, L1
  49  residual_call_ir_i $<* fn _ll_1_threadlocalref_get__INTLlT_Signed>, I[$CDefinedIntSymbolic('RPY_TLOFS_rpy_errno')], R[], <CallDescr(i) EF=2 OS_THREADLOCALREF_GET> -> %i1
  57  new_array_clear $2, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x00000100a0ecb9f0> -> %r0
  62  setarrayitem_gc_r %r0, $0, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x00000100a0ecb9f0>
  68  setarrayitem_gc_r %r0, $1, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x00000100a0ecb9f0>
  74  ref_isvirtual %r0 -> %i0
  77  -live- %i0, %i1, %r0
  77  goto_if_not %i0, L2
  81  L3:
  81  inline_call_ir_r <JitCode 'll_join_strs__v1095___simple_call__function_'>, I[$2], R[%r0] -> %r1
  89  -live- %i1, %r1
  89  L4:
  89  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000001006dff05d0> -> %r0
  93  setfield_gc_r %r0, %r1, FieldDescr<exceptions.EnvironmentError.inst_strerror>
  98  setfield_gc_i %r0, %i1, FieldDescr<exceptions.EnvironmentError.inst_errno>
 103  assert_not_none %r0
 105  -live- %r0
 105  guard_class %r0 -> %i0
 108  -live- %r0
 108  raise %r0
 110  ---
 110  L2:
 110  int_isconstant $2 -> %i0
 113  -live- %i0, %i1, %r0
 113  goto_if_not %i0, L5
 117  goto L3
 120  ---
 120  L5:
 120  residual_call_ir_r $<* fn ll_join_strs_trampoline__v1091___simple_call__function_>, I[$2], R[%r0], <CallDescr(ir) EF=5> -> %r1
 129  -live- %i1, %r1
 129  goto L4
 132  ---
 132  L1:
 132  int_return %i0
