Merged revisions 79852 via svnmerge from

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

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  r79852 | mark.dickinson | 2010-04-06 19:20:11 +0100 (Tue, 06 Apr 2010) | 1 line

  Issue #8259: Clarify that there's an upper bound on the right-hand operand of a shift operator.
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Doc/reference/expressions.rst

@@ -914,6 +914,9 @@ the left or right by the number of bits given by the second argument.
 A right shift by *n* bits is defined as division by ``pow(2,n)``.  A left shift
 by *n* bits is defined as multiplication with ``pow(2,n)``.
 
+.. note:: In the current implementation, the right-hand operand is required
+   to be at most :attr:`sys.maxsize`.  If the right-hand operand is larger than
+   :attr:`sys.maxsize` an :exc:`OverflowError` exception is raised.
 
 .. _bitwise: