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