   0  residual_call_r_r $<* fn ll_strconcat__rpy_stringPtr_rpy_stringPtr>, R[%r0, $<* struct rpy_string>], <CallDescr(rr) EF=3 OS_STR_CONCAT> -> %r2
   8  -live- %r0, %r1, %r2
   8  residual_call_r_r $<* fn ll_strconcat__rpy_stringPtr_rpy_stringPtr>, R[%r2, %r1], <CallDescr(rr) EF=3 OS_STR_CONCAT> -> %r1
  16  -live- %r0, %r1
  16  strlen %r1 -> %i0
  19  int_add %i0, $1 -> %i0
  23  residual_call_ir_i $<* fn _ll_1_raw_malloc_varsize__Signed>, I[%i0], R[], <CallDescr(i) EF=5 OS_RAW_MALLOC_VARSIZE_CHAR> -> %i1
  31  -live- %i1, %r0, %r1
  31  strlen %r1 -> %i0
  34  residual_call_ir_v $<* fn copy_string_to_raw>, I[%i1, $0, %i0], R[%r1], <CallDescr(riii) EF=0 OS_STR_COPY_TO_RAW>
  44  setarrayitem_raw_i %i1, %i0, $'\x00', <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x10089328850>
  50  residual_call_ir_i $<* fn ccall_putenv__arrayPtr>, I[%i1], R[], <CallDescr(i) EF=7> -> %i0
  58  -live- %i0, %i1, %r0
  58  -live- %i0, %i1, %r0
  58  goto_if_not_int_is_true %i0, L1
  62  residual_call_ir_v $<* fn _ll_1_raw_free__arrayPtr>, I[%i1], R[], <CallDescr(i) EF=2 OS_RAW_FREE>
  69  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> -> %i0
  77  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x1009a67c250> -> %r1
  81  setfield_gc_r %r1, $<* struct rpy_string>, FieldDescr<exceptions.EnvironmentError.inst_strerror>
  86  setfield_gc_i %r1, %i0, FieldDescr<exceptions.EnvironmentError.inst_errno>
  91  -live- %r1
  91  raise %r1
  93  ---
  93  L1:
  93  inline_call_ir_i <JitCode 'll_dict_get__dicttablePtr_rpy_stringPtr_arrayPtr'>, I[$<* None>], R[$<* struct dicttable>, %r0] -> %i3
 102  -live- %i1, %i3, %r0
 102  residual_call_r_i $<* fn ll_strhash__rpy_stringPtr>, R[%r0], <CallDescr(r) EF=0> -> %i2
 109  ref_isvirtual $<* struct dicttable> -> %i0
 112  -live- %i0, %i1, %i2, %i3, %r0
 112  goto_if_not %i0, L2
 116  inline_call_ir_i <JitCode 'll_call_lookup_function__v3494___simple_call__function_'>, I[%i2, $1], R[$<* struct dicttable>, %r0] -> %i0
 126  -live- %i0, %i1, %i2, %i3, %r0
 126  L3:
 126  inline_call_ir_v <JitCode '_ll_dict_setitem_lookup_done_look_inside_iff__dicttablePtr_rpy_stringPtr_arrayPtr_Signed_Signed'>, I[%i1, %i2, %i0], R[$<* struct dicttable>, %r0]
 136  -live- %i3
 136  -live- %i3
 136  goto_if_not_int_is_true %i3, L4
 140  residual_call_ir_v $<* fn _ll_1_raw_free__arrayPtr>, I[%i3], R[], <CallDescr(i) EF=2 OS_RAW_FREE>
 147  void_return
 148  ---
 148  L4:
 148  void_return
 149  ---
 149  L2:
 149  residual_call_ir_i $<* fn ll_call_lookup_function_trampoline__v3506___simple_call__function_>, I[%i2, $1], R[$<* struct dicttable>, %r0], <CallDescr(rrii) EF=5 OS_DICT_LOOKUP> -> %i0
 160  -live- %i0, %i1, %i2, %i3, %r0
 160  goto L3
