   0  int_signext %i0, $4 -> %i0
   4  residual_call_ir_i $<* fn ccall_dup__INT>, I[%i0], R[], <CallDescr(i) EF=7> -> %i0
  12  -live- %i0
  12  -live- %i0
  12  goto_if_not_int_lt %i0, $0, L1
  17  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
  25  new_array_clear $2, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000010081672170> -> %r0
  30  setarrayitem_gc_r %r0, $0, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000010081672170>
  36  setarrayitem_gc_r %r0, $1, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000010081672170>
  42  ref_isvirtual %r0 -> %i0
  45  -live- %i0, %i1, %r0
  45  goto_if_not %i0, L2
  49  L3:
  49  inline_call_ir_r <JitCode 'll_join_strs__v1076___simple_call__function_'>, I[$2], R[%r0] -> %r1
  57  -live- %i1, %r1
  57  L4:
  57  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000001004e722790> -> %r0
  61  setfield_gc_r %r0, %r1, FieldDescr<exceptions.EnvironmentError.inst_strerror>
  66  setfield_gc_i %r0, %i1, FieldDescr<exceptions.EnvironmentError.inst_errno>
  71  -live- %r0
  71  raise %r0
  73  ---
  73  L2:
  73  int_isconstant $2 -> %i0
  76  -live- %i0, %i1, %r0
  76  goto_if_not %i0, L5
  80  goto L3
  83  ---
  83  L5:
  83  residual_call_ir_r $<* fn ll_join_strs_trampoline__v1072___simple_call__function_>, I[$2], R[%r0], <CallDescr(ir) EF=5> -> %r1
  92  -live- %i1, %r1
  92  goto L4
  95  ---
  95  L1:
  95  int_return %i0
