   0  getfield_gc_i_pure %r0, FieldDescr<pypy.interpreter.gateway.BuiltinActivation_UwS_W_TextIOBase_ObjSpace_W_Root.inst_behavior> -> %i0
   5  getarrayitem_gc_r %r1, $0, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000000177231bb0> -> %r0
  11  inline_call_ir_r <JitCode 'interp_w__W_TextIOBase'>, I[$False], R[%r0] -> %r0
  19  -live- %i0, %r1
  19  getarrayitem_gc_r %r1, $1, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000000177231bb0> -> %r0
  25  -live- %i0
  25  switch %i0, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
  29  unreachable
  30  ---
  30  L1:
  30  -live-
  30  inline_call_r_r <JitCode 'unsupported'>, R[$<* struct rpy_string>] -> %r0
  36  -live- %r0
  36  assert_not_none %r0
  38  -live- %r0
  38  guard_class %r0 -> %i0
  41  -live- %r0
  41  raise %r0
  43  ---
  43  L2:
  43  -live-
  43  inline_call_r_r <JitCode 'unsupported'>, R[$<* struct rpy_string>] -> %r0
  49  -live- %r0
  49  assert_not_none %r0
  51  -live- %r0
  51  guard_class %r0 -> %i0
  54  -live- %r0
  54  raise %r0
  56  ---
  56  L3:
  56  -live-
  56  inline_call_r_r <JitCode 'unsupported'>, R[$<* struct rpy_string>] -> %r0
  62  -live- %r0
  62  assert_not_none %r0
  64  -live- %r0
  64  guard_class %r0 -> %i0
  67  -live- %r0
  67  raise %r0
