   0  int_signext %i0, $4 -> %i0
   4  residual_call_ir_i $<* fn ccall_tcgetpgrp__INT>, I[%i0], R[], <CallDescr(i) EF=7> -> %i0
  12  -live- %i0
  15  goto_if_not_int_lt %i0, $0, L1
  20  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
  28  new_array_clear $2, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x00000001cfe04800> -> %r0
  33  setarrayitem_gc_r %r0, $0, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x00000001cfe04800>
  39  setarrayitem_gc_r %r0, $1, $<* struct rpy_string>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x00000001cfe04800>
  45  int_isconstant $2 -> %i0
  48  -live- %i0, %i1, %r0
  51  goto_if_not %i0, L2
  55  ref_isvirtual %r0 -> %i0
  58  -live- %i0, %i1, %r0
  61  goto_if_not %i0, L3
  65  L4:
  65  inline_call_ir_r <JitCode 'll_join_strs__v1131___simple_call__function_'>, I[$2], R[%r0] -> %r1
  73  L5:
  73  -live- %i1, %r1
  76  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x00000001d16f9360> -> %r0
  80  setfield_gc_r %r0, %r1, FieldDescr<exceptions.EnvironmentError.inst_strerror>
  85  setfield_gc_i %r0, %i1, FieldDescr<exceptions.EnvironmentError.inst_errno>
  90  assert_not_none %r0
  92  -live- %r0
  95  raise %r0
  97  ---
  97  L3:
  97  goto L4
 100  ---
 100  L2:
 100  residual_call_ir_r $<* fn ll_join_strs_trampoline__v1133___simple_call__function_>, I[$2], R[%r0], <CallDescr(ir) EF=5> -> %r1
 109  -live- %i1, %r1
 112  goto L5
 115  ---
 115  L1:
 115  int_return %i0
