   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
  13  catch_exception L1
  16  getfield_gc_r %r0, FieldDescr<pypy.module.mmap.interp_mmap.W_MMap.inst_mmap> -> %r0
  21  residual_call_r_r $<* fn MMap.readline>, R[%r0], <CallDescr(r) EF=5> -> %r0
  28  -live- %r0
  31  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab42d25440> -> %r1
  35  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  40  ref_return %r1
  42  ---
  42  L1:
  42  goto_if_exception_mismatch $<* struct object_vtable>, L2
  46  last_exc_value -> %r0
  48  inline_call_r_r <JitCode 'mmap_error'>, R[%r0] -> %r0
  54  -live- %r0
  57  assert_not_none %r0
  59  -live- %r0
  62  guard_class %r0 -> %i0
  65  -live- %r0
  68  raise %r0
  70  ---
  70  L2:
  70  reraise
