Defining a subroutine when its typeglob has been aliased no longer results
in stale method caches. This bug was introduced in Perl 5.10.
+=item *
+
+Localising a typeglob containing a subroutine when the typeglob's package
+has been deleted from its parent stash no longer produces an error. This
+bug was introduced in Perl 5.14.
+
=back
=head1 Known Problems