tested failed

[softguy888]

env:
os: centos 7.8
python: 3.9.16
g++. 5.4.0

full log:
python3.9 -m jittor.test.test_example
[i 0422 20:29:40.390536 08 lock.py:85] Create lock file:/root/.cache/jittor/jt1.3.7/g++5.4.0/py3.9.16/Linux-3.10.0-1x03/IntelRXeonRGolxcd/jittor.lock
[i 0422 20:29:40.408773 08 compiler.py:955] Jittor(1.3.7.13) src: /usr/local/lib/python3.9/site-packages/jittor
[i 0422 20:29:40.413430 08 compiler.py:956] g++ at /usr/local/bin/g++(5.4.0)
[i 0422 20:29:40.413578 08 compiler.py:957] cache_path: /root/.cache/jittor/jt1.3.7/g++5.4.0/py3.9.16/Linux-3.10.0-1x03/IntelRXeonRGolxcd/default
[i 0422 20:29:40.447815 08 init.py:411] Found gdb(7.6.1) at /usr/bin/gdb.
[i 0422 20:29:40.453126 08 init.py:411] Found addr2line(9.1) at /usr/bin/addr2line.
[i 0422 20:29:40.502645 08 compiler.py:34] Create cache dir: /root/.cache/jittor/jt1.3.7/g++5.4.0/py3.9.16/Linux-3.10.0-1x03/IntelRXeonRGolxcd/default/jit
[i 0422 20:29:40.502851 08 compiler.py:34] Create cache dir: /root/.cache/jittor/jt1.3.7/g++5.4.0/py3.9.16/Linux-3.10.0-1x03/IntelRXeonRGolxcd/default/obj_files
[i 0422 20:29:40.502968 08 compiler.py:34] Create cache dir: /root/.cache/jittor/jt1.3.7/g++5.4.0/py3.9.16/Linux-3.10.0-1x03/IntelRXeonRGolxcd/default/gen
[i 0422 20:29:40.503070 08 compiler.py:34] Create cache dir: /root/.cache/jittor/jt1.3.7/g++5.4.0/py3.9.16/Linux-3.10.0-1x03/IntelRXeonRGolxcd/default/tmp
[i 0422 20:29:40.503170 08 compiler.py:34] Create cache dir: /root/.cache/jittor/jt1.3.7/g++5.4.0/py3.9.16/Linux-3.10.0-1x03/IntelRXeonRGolxcd/default/checkpoints
Traceback (most recent call last):
File "/usr/local/lib/python3.9/runpy.py", line 188, in _run_module_as_main
mod_name, mod_spec, code = _get_module_details(mod_name, _Error)
File "/usr/local/lib/python3.9/runpy.py", line 111, in _get_module_details
import(pkg_name)
File "/usr/local/lib/python3.9/site-packages/jittor/init.py", line 18, in
from . import compiler
File "/usr/local/lib/python3.9/site-packages/jittor/compiler.py", line 1189, in
check_cache_compile()
File "/usr/local/lib/python3.9/site-packages/jittor/compiler.py", line 891, in check_cache_compile
assert jit_utils.cc
AssertionError

Thanks!!