Issue #17782: Fix undefined behaviour on platforms where ``struct timespec``'s "tv_ns...

diff --cc Misc/NEWS
index 63634dc9bbdd658575fc3f36e0a2e325dd8b4b20,ce27a99505dde6842960b4dd43ee9e920f1575cd..0edb8e3cd04819cc694037245918ce8d5b58e776
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -10,10 -12,9 +10,13 @@@ What's New in Python 3.4.0 Alpha 1
  Core and Builtins
  -----------------
  
+ - Issue #17782: Fix undefined behaviour on platforms where
+   ``struct timespec``'s "tv_nsec" member is not a C long.
+ 
 +- Issue #17722: When looking up __round__, resolve descriptors.
 +
 +- Issue #16061: Speed up str.replace() for replacing 1-character strings.
 +
  - Issue #17715: Fix segmentation fault from raising an exception in a __trunc__
    method.
  

diff --cc Modules/posixmodule.c
Simple merge

diff --cc Modules/signalmodule.c
Simple merge

diff --cc Modules/timemodule.c
Simple merge