Missing extra check dereferencing a range. This seems to be causing some segfaults in the GTK EWS test bot: https://ews-build.webkit-uat.org/#/builders/34/builds/245
Created attachment 395731 [details] Patch
Committed r259670: <https://trac.webkit.org/changeset/259670> All reviewed patches have been landed. Closing bug and clearing flags on attachment 395731 [details].