Merged revisions 82189 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r82189 | benjamin.peterson | 2010-06-23 19:12:40 -0500 (Wed, 23 Jun 2010) | 1 line

  prevent assignment to set literals
........

Lib/test/test_syntax.py

@@ -478,10 +478,12 @@ SyntaxError: keyword argument repeated
 
 >>> del ()
 Traceback (most recent call last):
-   ...
-  File "<doctest test.test_syntax[50]>", line 1
 SyntaxError: can't delete ()
 
+>>> {1, 2, 3} = 42
+Traceback (most recent call last):
+SyntaxError: can't assign to literal
+
 """
 
 import re