Debian patch over subversion 1.9.4 (ref: https://blueprints.launchpad.net/debian/+source/subversion/1.9.4-3 ) solved this problem and corresponding patch ( debian/patches/perl-swig-crash ) can be applied on subversion 1.9.3~2ubuntu1 (Ubuntu 16.04). After applying the patch, this issue is gone.
Debian patch over subversion 1.9.4 (ref: https:/ /blueprints. launchpad. net/debian/ +source/ subversion/ 1.9.4-3 ) solved this problem and corresponding patch ( debian/ patches/ perl-swig- crash ) can be applied on subversion 1.9.3~2ubuntu1 (Ubuntu 16.04). After applying the patch, this issue is gone.