Call unfakehttp in order to close connection while opening the connection through a fakehttp object.
Address issue11609 - urllib related buildbots failure.

unbuffered pipes, such that select() works properly on them.

unbuffered pipes, such that select() works properly on them.

unbuffered pipes, such that select() works properly on them.

Last attempt to get compiler recursion crasher to fail reliably across platforms before giving up and skipping it as unreliably platform dependent

Issue #10914: fix bogus memory management in Modules/getpath.c, leading to a possible crash when calling Py_SetPath()

arguments has the wrong type.  Patch by Nikita Vetoshkin.

Give more info in verbose mode when checking crashers, and stress the stack even more in the compiler crasher