   0  residual_call_r_i $<* fn ll_liststr2charpp>, R[%r1], <CallDescr(r) EF=5> -> %i0
   7  -live- %i0, %r0
   7  residual_call_r_r $<* fn get_nonmovingbuffer_final_null>, R[%r0], <CallDescr(r) EF=5> -> %r1
  14  -live- %i0, %r0, %r1
  14  getfield_gc_i_pure %r1, FieldDescr<tuple2.item0> -> %i1
  19  getfield_gc_i_pure %r1, FieldDescr<tuple2.item1> -> %i2
  24  residual_call_ir_i $<* fn ccall_execv__arrayPtr_arrayPtr>, I[%i1, %i0], R[], <CallDescr(ii) EF=7> -> %i3
  33  -live- %i0, %i1, %i2, %r0
  33  residual_call_ir_v $<* fn free_nonmovingbuffer>, I[%i1, %i2], R[%r0], <CallDescr(rii) EF=2>
  42  residual_call_ir_v $<* fn free_charpp>, I[%i0], R[], <CallDescr(i) EF=2>
  49  residual_call_ir_i $<* fn _ll_1_threadlocalref_get__SignedLlT_Signed>, I[$CDefinedIntSymbolic('RPY_TLOFS_rpy_errno')], R[], <CallDescr(i) EF=2 OS_THREADLOCALREF_GET> -> %i0
  57  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x1258a230> -> %r0
  61  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<exceptions.EnvironmentError.inst_strerror>
  66  setfield_gc_i %r0, %i0, FieldDescr<exceptions.EnvironmentError.inst_errno>
  71  -live- %r0
  71  raise %r0
