   0  -live- %r0
   0  goto_if_not_ptr_nonzero %r0, L1
   4  ref_copy %r0 -> %r1
   7  -live- %r0, %r1
   7  guard_class %r1 -> %i0
  10  -live- %i0, %r0
  10  goto_if_not_int_eq %i0, $<* struct object_vtable>, L2
  15  getfield_gc_r_pure %r0, FieldDescr<pypy.module.thread.os_lock.Lock.inst_lock> -> %r1
  20  inline_call_ir_i <JitCode 'Lock.acquire'>, I[$True], R[%r1] -> %i0
  28  -live- %i0, %r0
  28  -live- %i0, %r0
  28  goto_if_not %i0, L3
  32  L4:
  32  ref_return %r0
  34  ---
  34  L3:
  34  goto L4
  37  ---
  37  L2:
  37  L5:
  37  -live- %r0
  37  guard_class %r0 -> %i0
  40  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_getclass> -> %i0
  45  getfield_raw_i %i0, FieldDescr<specfunc.variant0> -> %i0
  50  -live- %i0, %r0
  50  int_guard_value %i0
  52  residual_call_r_r %i0, <IndirectCallTargets>, R[%r0], <CallDescr(r) EF=2> -> %r1
  59  -live- %r1
  59  inline_call_r_r <JitCode 'oefmt____s__object_expected__got___N__instead_star_2'>, R[$<* struct pypy.objspace.std.typeobject.W_TypeObject>, $<* struct rpy_string>, $<* struct rpy_string>, %r1] -> %r1
  68  -live- %r1
  68  assert_not_none %r1
  70  -live- %r1
  70  guard_class %r1 -> %i0
  73  -live- %r1
  73  raise %r1
  75  ---
  75  L1:
  75  goto L5
