BackForwardList::addItem does not remove an entry if it is the current entry, so a capacity 1 list will grow forever.
Created attachment 13330 [details] add a check for when capacity==1
Comment on attachment 13330 [details] add a check for when capacity==1 Please don't use tabs in your patches. If you do, we can't land them! It seems that with this fix, the "not using it" concept goes away entirely for capacity-1 lists. I guess that's OK. r=me
Committed revision 19889.