[Webkit-unassigned] [Bug 240325] REGRESSION (r293933): [ iOS Debug ][ macOS Debug wk2 ] ASSERTION FAILED: m_requestCount > -1

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=240325

--- Comment #8 from Rob Buis <rbuis at igalia.com> ---
I looked into this last week. I am pretty sure the request counting of the image in resources/image-loading-lazy-in-viewport.html is spread across two documents (one for each subframe in the test). So the decrement is on something that was never incremented, hence the assert.
I was playing with some code in ImageLoader::elementDidMoveToNewDocument, but it was hard to detect the case and then do something about it. I hope to have another look this week.

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