[Webkit-unassigned] [Bug 179682] Incorrect bounds inside <mover>/<munder> when a stretchy operator is present

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=179682

--- Comment #55 from Minsheng Liu <lambda at liu.ms> ---
I have made some changes to the layout algorithm and the resulting one is more standard conforming and should behave the same as Firefox does. As for the fix layout algorithm, @fred you are right that we just need to dirty the op at the core and layoutIfNeeded the outermost wrapper for the embellished op.

As for the tests, I add one simple case that the previous version fails in the script test. The pixel test is also updated, and I believe the visual results are correct for both macOS and iOS. As for expected results for GTK and Win, I cannot generate them so I delete them. Could you help me get the desired results? Or could we let the bot do that for us?

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