Merged revisions 82043 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r82043 | mark.dickinson | 2010-06-17 13:33:22 +0100 (Thu, 17 Jun 2010) | 6 lines

  Issue #9011: Remove buggy and unnecessary ST->AST compilation code
  dealing with unary minus applied to a constant.  The removed code was
  mutating the ST, causing a second compilation to fail.  (The peephole
  optimizer already takes care of optimizing this case, so there's no
  lost optimization opportunity here.)
........
diff --git a/Misc/NEWS b/Misc/NEWS
index ae0ca7e..91c65a6 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,11 @@
 Core and Builtins
 -----------------
 
+- Issue #9011: Remove buggy and unnecessary (in 3.x) ST->AST
+  compilation code dealing with unary minus applied to a constant.
+  The removed code was mutating the ST, causing a second compilation
+  to fail.
+
 - Issue #8941: decoding big endian UTF-32 data in UCS-2 builds could crash
   the interpreter with characters outside the Basic Multilingual Plane
   (higher than 0x10000).