The slice allocator has fallen out of favor: https://gitlab.gnome.org/GNOME/glib/issues/1079 We did this previously in bug #147357, but a new use has snuck into MiniBrowser.
Created attachment 356494 [details] Patch
Ping reviewers
Comment on attachment 356494 [details] Patch r+ (informally)
Comment on attachment 356494 [details] Patch Clearing flags on attachment: 356494 Committed r239027: <https://trac.webkit.org/changeset/239027>
All reviewed patches have been landed. Closing bug.