   0  getfield_gc_r_pure %r0, FieldDescr<pypy.module.mmap.interp_mmap.MMapBuffer.inst_mmap> -> %r1
   5  inline_call_r_v <JitCode 'MMap.check_valid'>, R[%r1]
  10  -live- %r0
  13  catch_exception L1
  16  getfield_gc_r_pure %r0, FieldDescr<pypy.module.mmap.interp_mmap.MMapBuffer.inst_mmap> -> %r0
  21  getfield_gc_i %r0, FieldDescr<rpython.rlib.rmmap.MMap.inst_data> -> %i0
  26  int_return %i0
  28  ---
  28  L1:
  28  goto_if_exception_mismatch $<* struct object_vtable>, L2
  32  last_exc_value -> %r0
  34  inline_call_r_r <JitCode 'mmap_error'>, R[%r0] -> %r0
  40  -live- %r0
  43  assert_not_none %r0
  45  -live- %r0
  48  guard_class %r0 -> %i0
  51  -live- %r0
  54  raise %r0
  56  ---
  56  L2:
  56  reraise
