   0  getfield_gc_r %r0, FieldDescr<pypy.module.mmap.interp_mmap.W_MMap.inst_mmap> -> %r1
   5  inline_call_r_v <JitCode 'MMap.check_valid'>, R[%r1]
  10  -live- %r0
  10  catch_exception L1
  13  getfield_gc_r %r0, FieldDescr<pypy.module.mmap.interp_mmap.W_MMap.inst_mmap> -> %r0
  18  getfield_gc_i %r0, FieldDescr<rpython.rlib.rmmap.MMap.inst_pos> -> %i0
  23  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000000017400ab10> -> %r0
  27  setfield_gc_i %r0, %i0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  32  ref_return %r0
  34  ---
  34  L1:
  34  goto_if_exception_mismatch $<* struct object_vtable>, L2
  38  last_exc_value -> %r0
  40  inline_call_r_r <JitCode 'mmap_error'>, R[%r0] -> %r0
  46  -live- %r0
  46  assert_not_none %r0
  48  -live- %r0
  48  guard_class %r0 -> %i0
  51  -live- %r0
  51  raise %r0
  53  ---
  53  L2:
  53  reraise
