destroyed, since new code added in 5.23.7 would try to release the
C<isaelem> magic from the elements. [perl #127351]
+=item *
+
+If a here-doc was found while parsing another operator, the parser had
+already read end of file, and the here-doc was not terminated, perl
+could produce an assertion or a segmentation fault. This now reliably
+complains about the unterminated here-doc. [perl #125540]
+
=back
=head1 Known Problems