C<dump LABEL> no longer leaks its label.
+=item *
+
+Constant folding no longer changes the behaviour of functions like C<stat>
+and C<truncate> that can take either filenames or handles.
+C<stat 1 ? foo : bar> nows treats its argument as a file name (since it is
+an arbitrary expression), rather than the handle "foo".
+
=back
=head1 Known Problems