Antoine> New changeset 9aa6097131ef by Antoine Pitrou in branch '3.2':
    Antoine> Issue #11653: fix -W with -j in regrtest
    Antoine> http://hg.python.org/cpython/rev/9aa6097131ef

    Antoine> New changeset c381b35e4f31 by Antoine Pitrou in branch 'default':
    Antoine> Issue #11653: fix -W with -j in regrtest.
    Antoine> http://hg.python.org/cpython/rev/c381b35e4f31

Saw these checkins and tried again.  I definitely see different output and
it seems to rerun failed tests immediately in verbose mode.  For example:

    [238/352] test_pydoc
    Re-running test test_pydoc in verbose mode
    test_badimport (test.test_pydoc.PydocDocTest) ... FAIL
    test_help_output_redirect (test.test_pydoc.PydocDocTest) ... ok
    test_html_doc (test.test_pydoc.PydocDocTest) ... ok
    test_input_strip (test.test_pydoc.PydocDocTest) ... ok
    test_issue8225 (test.test_pydoc.PydocDocTest) ... ok
    test_not_here (test.test_pydoc.PydocDocTest) ... ok
    test_stripid (test.test_pydoc.PydocDocTest) ... ok
    test_text_doc (test.test_pydoc.PydocDocTest) ... ok
    test_class (test.test_pydoc.TestDescriptions) ... ok
    test_module (test.test_pydoc.TestDescriptions) ... ok
    test_server (test.test_pydoc.PydocServerTest) ... ok
    test_content_type_err (test.test_pydoc.PydocUrlHandlerTest) ... ok
    test_url_requests (test.test_pydoc.PydocUrlHandlerTest) ... ok

However, I also see lots of tests crashing in imp.  Here's one example:

    test test_ttk_textonly crashed -- Traceback (most recent call last):
      File "/Users/skip/src/hgpython/cpython/Lib/test/regrtest.py", line 988, in runtest_inner
        the_package = __import__(abstest, globals(), locals(), [])
      File "/Users/skip/src/hgpython/cpython/Lib/test/test_ttk_textonly.py", line 7, in <module>
        from tkinter.test import runtktests
      File "/Users/skip/src/hgpython/cpython/Lib/importlib/_bootstrap.py", line 437, in load_module
        return self._load_module(fullname)
      File "/Users/skip/src/hgpython/cpython/Lib/importlib/_bootstrap.py", line 141, in decorated
        return fxn(self, module, *args, **kwargs)
      File "/Users/skip/src/hgpython/cpython/Lib/importlib/_bootstrap.py", line 330, in _load_module
        code_object = self.get_code(name)
      File "/Users/skip/src/hgpython/cpython/Lib/importlib/_bootstrap.py", line 407, in get_code
        imp._fix_co_filename(found, source_path)
    AttributeError: 'module' object has no attribute '_fix_co_filename'

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