   0  getfield_gc_i_pure %r0, FieldDescr<pypy.interpreter.gateway.BuiltinActivation_UwS_W_File_W_Root.inst_behavior> -> %i0
   5  getarrayitem_gc_r %r1, $0, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000002aac88c19f0> -> %r0
  11  inline_call_ir_r <JitCode 'interp_w__W_File'>, I[$False], R[%r0] -> %r0
  19  -live- %i0, %r0, %r1
  19  getarrayitem_gc_r %r1, $1, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x000002aac88c19f0> -> %r1
  25  -live- %i0, %r0, %r1
  25  switch %i0, <SwitchDictDescr 0:L1, 1:L2, 2:L3, 3:L4>
  29  unreachable
  30  ---
  30  L1:
  30  -live- %r0, %r1
  30  inline_call_r_r <JitCode 'W_File.file_write'>, R[%r0, %r1] -> %r0
  37  -live- %r0
  37  ref_return %r0
  39  ---
  39  L2:
  39  -live- %r0, %r1
  39  residual_call_r_r $<* fn W_File.file_writelines>, R[%r0, %r1], <CallDescr(rr) EF=7> -> %r0
  47  -live- %r0
  47  ref_return %r0
  49  ---
  49  L3:
  49  -live- %r0, %r1
  49  inline_call_r_r <JitCode 'W_File.file_readinto'>, R[%r0, %r1] -> %r0
  56  -live- %r0
  56  ref_return %r0
  58  ---
  58  L4:
  58  -live- %r0, %r1
  58  inline_call_r_r <JitCode 'W_File.file_truncate'>, R[%r0, %r1] -> %r0
  65  -live- %r0
  65  ref_return %r0
