I realized this when looking at bug 1353928. The attached testcase sometimes prints (may require a few reloads to see the buggy behavior): Proto: undefined Proto: [object HTMLDivElementPrototype] It should print: Proto: undefined Proto: undefined
Hmm, I thought we had special code to preserve wrappers when __proto__ was set. But perhaps I'm thinking ancient pre-Paris-bindings world.
I thought we had a bug about this too, but I can't find it... But yes, we don't really have a way to hook into proto mutation right now. :(
Please let me know if we need an owner for this sooner than "someday".
Priority: -- → P3
Component: DOM → DOM: Core & HTML
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