to a known bug in pthread implementation on FreeBSD < 7).

fix #10340: properly handle EINVAL on OSX and also avoid to call handle_connect() in case of a disconnetected socket which is not meant to connect.

Patch by Guilherme Polo.

Based on patch from Hervé Coatanhay.

Patch by Eric Snow.

allocating path buffers on the heap instead of the stack.

(Patch by Dionysios Kalofonos)

Closes #14250: regex.flags has not only explicit flags but also implicit flags and those from the pattern

3.2 explain json.dumps for non-string keys in dicts. closes issue6566. Patch contributed Kirubakaran Athmanathan

Original patch by Steffen Daode Nurpmeso

Patch by Florian Mladitsch