merge 3.2 (#14378)

diff --cc Lib/test/test_ast.py
Simple merge

diff --cc Misc/NEWS
index 70d908e63cd32211a7aa6542581545cde6ed87af,1c1bf1646677a631da5b8d3bb77640dded41d653..85ac5c03542e918cf38793d47e488e21c10fd9e0
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -10,10 -10,11 +10,14 @@@ What's New in Python 3.3.0 Alpha 2
  Core and Builtins
  -----------------
  
- - Give the ast.AST class a __dict__.
 +- Issue #1683368: object.__new__ and object.__init__ raise a TypeError if they
 +  are passed arguments and their complementary method is not overridden.
 +
+ - Issue #14378: Fix compiling ast.ImportFrom nodes with a "__future__" string as
+   the module name that was not interned.
+ 
+ - Issue #14331: Use significantly less stack space when importing modules by
+   allocating path buffers on the heap instead of the stack.
  
  - Issue #14334: Prevent in a segfault in type.__getattribute__ when it was not
    passed strings.