Issue #12848: The pure Python pickle implementation now treats object lengths as...

Patch by Serhiy Storchaka.

diff --cc Lib/pickle.py
Simple merge

diff --cc Misc/NEWS
index b3dacd2ab4c58ef2f87d9c95b4323626b13f9872,e10ebc6f68e0a3d4cf593ddd7af2ab44448bb02c..f17cfea4d35c7af2d23e2e08897c9ba008e385ec
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -94,6 -167,16 +94,10 @@@ Core and Builtin
  Library
  -------
  
 -- Issue #1160: Fix compiling large regular expressions on UCS2 builds.
 -  Patch by Serhiy Storchaka.
 -
 -- Issue #14313: zipfile now raises NotImplementedError when the compression
 -  type is unknown.
 -
+ - Issue #12848: The pure Python pickle implementation now treats object
+   lengths as unsigned 32-bit integers, like the C implementation does.
+   Patch by Serhiy Storchaka.
+ 
  - Issue #16408: Fix file descriptors not being closed in error conditions
    in the zipfile module.  Patch by Serhiy Storchaka.
  

diff --cc Modules/_pickle.c
Simple merge