This is a bug introduced by https://bugs.webkit.org/show_bug.cgi?id=71933, isVariableObject() checks were excluding StaticScopeObjects, this patch inadvertently changed them to be included.
Created attachment 125938 [details]
Comment on attachment 125938 [details]
View in context: https://bugs.webkit.org/attachment.cgi?id=125938&action=review
> + Problem URL is: http://www.rickshawbags.com/customize/custom-bag#!thl=rickshaw/bag()
Can we make an automated regression test out of this?
(In reply to comment #3)
> Can we make an automated regression test out of this?
Good question – I don't yet know. This patch just reverts an undesired change in behavior, I'm still investigating exactly why this change resulted in the bug that it did.
Fixed in r106999.