Merge from rjones-funccall branch.
Applied patch zombie-frames-2.diff from sf patch 876206 with updates for
Python 2.5 and also modified to retain the free_list to avoid the 67%
slow-down in pybench recursion test. 5% speed up in function call pybench.
diff --git a/Misc/NEWS b/Misc/NEWS
index 5ba9af7..445110f 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
Core and builtins
-----------------
+- Patch #876206: function call speedup by retaining allocated frame
+ objects.
+
- Bug #1462152: file() now checks more thoroughly for invalid mode
strings and removes a possible "U" before passing the mode to the
C library function.