This bug is present on FreeBSD 13.5, FreeBSD 14.2,and FreeBSD 15 current, in both ports and packages. gv(1) always issues the warning "Warning: Representation size 4 must match superclass's to override highlightedFrameStyle" and then either goes into an infinite loop or gets SIGBUS. Symptoms and required patch: https://forums.freebsd.org/threads/postscript-viewer-gv-profoundly-broken.97504/#post-697549 The source of the fix: https://trac.macports.org/ticket/33082#comment:39