   0  -live- %i0, %i1, %i2
   0  switch %i2, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
   4  L4:
   4  int_signext %i0, $4 -> %i0
   8  int_signext %i2, $4 -> %i2
  12  residual_call_ir_i $<* fn ccall_lseek__INT_Signed_INT>, I[%i0, %i1, %i2], R[], <CallDescr(iii) EF=7> -> %i0
  22  -live- %i0
  22  -live- %i0
  22  goto_if_not_int_lt %i0, $0, L5
  27  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
  35  new_array_clear $2, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x00000100a0ecb9f0> -> %r0
  40  setarrayitem_gc_r %r0, $0, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x00000100a0ecb9f0>
  46  setarrayitem_gc_r %r0, $1, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x00000100a0ecb9f0>
  52  ref_isvirtual %r0 -> %i0
  55  -live- %i0, %i1, %r0
  55  goto_if_not %i0, L6
  59  L7:
  59  inline_call_ir_r <JitCode 'll_join_strs__v1095___simple_call__function_'>, I[$2], R[%r0] -> %r1
  67  -live- %i1, %r1
  67  L8:
  67  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000001006dff05d0> -> %r0
  71  setfield_gc_r %r0, %r1, FieldDescr<exceptions.EnvironmentError.inst_strerror>
  76  setfield_gc_i %r0, %i1, FieldDescr<exceptions.EnvironmentError.inst_errno>
  81  assert_not_none %r0
  83  -live- %r0
  83  guard_class %r0 -> %i0
  86  -live- %r0
  86  raise %r0
  88  ---
  88  L6:
  88  int_isconstant $2 -> %i0
  91  -live- %i0, %i1, %r0
  91  goto_if_not %i0, L9
  95  goto L7
  98  ---
  98  L9:
  98  residual_call_ir_r $<* fn ll_join_strs_trampoline__v1091___simple_call__function_>, I[$2], R[%r0], <CallDescr(ir) EF=5> -> %r1
 107  -live- %i1, %r1
 107  goto L8
 110  ---
 110  L5:
 110  int_return %i0
 112  ---
 112  L1:
 112  -live- %i0, %i1
 112  int_copy $0 -> %i2
 115  goto L4
 118  ---
 118  L2:
 118  -live- %i0, %i1
 118  int_copy $1 -> %i2
 121  goto L4
 124  ---
 124  L3:
 124  -live- %i0, %i1
 124  int_copy $2 -> %i2
 127  goto L4
