Ivan Levkivskyi (3.5 version)

Ivan Levkivskyi (3.6 version)

* BUILD_TUPLE_UNPACK and BUILD_MAP_UNPACK_WITH_CALL no longer generated with
  single tuple or dict.
* Restored more informative error messages for incorrect var-positional and
  var-keyword arguments.
* Removed code duplications in _PyEval_EvalCodeWithName().
* Removed redundant runtime checks and parameters in _PyStack_AsDict().
* Added a workaround and enabled previously disabled test in test_traceback.
* Removed dead code from the dis module.

This is a further restoration of backward compatibility, as well as
being correct per the RFCs.

environment variable that is defined when cross-compiling.

(directory for pid files etc, /run or /var/run).

https://lists.gnu.org/archive/html/bug-autoconf/2013-09/msg00002.html

Issue 27744: test_aes_cbc is blocking x86-64 Ubuntu 15.10 Skylake CPU 3.x for a while. Require Kernel 4.3+ for now

By Ivan Levkivskyi.