RESOLVED WONTFIX 117462
Fix RenderLayer::collectLayers logic bug 
https://bugs.webkit.org/show_bug.cgi?id=117462
Summary Fix RenderLayer::collectLayers logic bug
Ryosuke Niwa
Reported 2013-06-10 18:35:05 PDT
Consider merging https://chromium.googlesource.com/chromium/blink/+/3dfbb71ed8eefeca1618b85c72b912c051314836 In collectLayers, if a layer is normal flow only, we will not add it to the z-order lists. The trouble is that RenderLayer::shouldBeNormalFlowOnly depends on RenderLayer::needsCompositedScrolling. This means that the result of collectLayers depends on the opt-in decision of other layers, something which must not happen: when we are determining opt-in, we must never depend on the opt-in decision for another layer. This CL makes this function opt-in agnostic when it needs to be.
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Matt Woodrow
Comment 1 2024-07-10 20:11:34 PDT
Our version of `RenderLayer::shouldBeNormalFlowOnly` does not check `RenderLayer::needsCompositedScrolling` (or an equivalent) as far as I can tell.
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