This directory only contains tests for outstanding bugs that cause theinterpreter to segfault. Ideally this directory should always be empty, butsometimes it may not be easy to fix the underlying cause and the bug is deemedtoo obscure to invest the effort.
Put as much info into a docstring or comments to help determine the cause of thefailure, as well as a bugs.python.org issue number if it exists. Particularlynote if the cause is system or environment dependent and what the variables are.
Once the crash is fixed, the test case should be moved into an appropriate test(even if it was originally from the test suite). This ensures the regressiondoesn't happen again. And if it does, it should be easier to track down.
Also see Lib/test_crashers.py which exercises the crashers in this directory.In particular, make sure to add any new infinite loop crashers to the blacklist so it doesn't try to run them.