   0  int_signext %i0, $4 -> %i0
   4  int_signext %i1, $4 -> %i1
   8  residual_call_ir_i $<* fn ccall_tcsetpgrp__INT_INT>, I[%i0, %i1], R[], <CallDescr(ii) EF=7> -> %i0
  17  -live- %i0
  17  -live- %i0
  17  goto_if_not_int_lt %i0, $0, L1
  22  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
  30  new_array_clear $2, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000010081672170> -> %r0
  35  setarrayitem_gc_r %r0, $0, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000010081672170>
  41  setarrayitem_gc_r %r0, $1, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000010081672170>
  47  ref_isvirtual %r0 -> %i0
  50  -live- %i0, %i1, %r0
  50  goto_if_not %i0, L2
  54  L3:
  54  inline_call_ir_r <JitCode 'll_join_strs__v1076___simple_call__function_'>, I[$2], R[%r0] -> %r1
  62  -live- %i1, %r1
  62  L4:
  62  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000001004e722790> -> %r0
  66  setfield_gc_r %r0, %r1, FieldDescr<exceptions.EnvironmentError.inst_strerror>
  71  setfield_gc_i %r0, %i1, FieldDescr<exceptions.EnvironmentError.inst_errno>
  76  -live- %r0
  76  raise %r0
  78  ---
  78  L2:
  78  int_isconstant $2 -> %i0
  81  -live- %i0, %i1, %r0
  81  goto_if_not %i0, L5
  85  goto L3
  88  ---
  88  L5:
  88  residual_call_ir_r $<* fn ll_join_strs_trampoline__v1072___simple_call__function_>, I[$2], R[%r0], <CallDescr(ir) EF=5> -> %r1
  97  -live- %i1, %r1
  97  goto L4
 100  ---
 100  L1:
 100  int_return %i0
