======================================================================
FAIL: test_no_args_respects_force_flag (test.test_compileall.CommandLineTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\Program Files\Python 3.5\lib\test\test_compileall.py", line 229, in test_no_args_respects_force_flag
    self.assertRunOK('-f', PYTHONPATH=self.directory)
  File "C:\Program Files\Python 3.5\lib\test\test_compileall.py", line 179, in assertRunOK
    *self._get_run_args(args), **env_vars)
  File "C:\Program Files\Python 3.5\lib\test\support\script_helper.py", line 135, in assert_python_ok
    return _assert_python(True, *args, **env_vars)
  File "C:\Program Files\Python 3.5\lib\test\support\script_helper.py", line 121, in _assert_python
    err))
AssertionError: Process return code is 1
command line: ['C:\\Program Files\\Python 3.5\\python.exe', '-X', 'faulthandler', '-S', '-m', 'compileall', '-f']

stdout:
---
(... truncated stdout ...)rror: [Errno 13] Permission denied: 'C:\\Program Files\\Python 3.5\\lib\\__pycache__\\sre_compile.cpython-35.pyc.978608563184'
Compiling 'C:\\Program Files\\Python 3.5\\lib\\sre_constants.py'...

<output continues with many more lines like the above two>

No such problem on installed 3.4.3.