Patch by Jonathan Paugh, Steven Bethard, paul j3 and Daniel Eriksson.

Patch by Martin Panter.

Patch by Martin Panter.

Detect integer overflow on the file descriptor of the socket on 64-bit Python.

Also fix error when doing test builds without documentation file.

Issue #23445: pydebug builds now use "gcc -Og" where possible, to make the resulting executable faster.

Issue #23445: pydebug builds now use "gcc -Og" where possible, to make the resulting executable faster.

average.

Fix undefined behaviour: don't compare pointers. Use Py_uintptr_t type instead
of void*. It fixes test_faulthandler on Fedora 22 which now uses GCC 5.

already finished