I've just added a test and NEWS entry for that fix: https://git.savannah.gnu.org/cgit/diffutils.git/commit/?id=4e40686e23d
and also updated gnulib to the latest.
- [bug-diffutils] bug#26690: Crash with --ignore-matching-line... Marcel Böhme
- [bug-diffutils] bug#26690: Acknowledgement (Crash with ... Marcel Böhme
- [bug-diffutils] bug#26690: bug#26690: Acknowledgeme... Paul Eggert
- [bug-diffutils] bug#26690: bug#26690: Acknowled... Marcel Böhme
- [bug-diffutils] bug#26690: Acknowledgement (Crash with ... Marcel Böhme
- [bug-diffutils] bug#26690: Crash with --ignore-matching... Jim Meyering
