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Visit orange.deezer.com, press tab marked "My Music". Browser crashes every time. Pressing the button will trigger a re-layout of the page. This in turn will cause some rendering nodes of type RenderLayer to be removed from the rendering tree. When such a node is removed, it is important to also update certain lists in ancestor nodes that may hold references to this node. A node that may hold such a reference is identified as being a "stacking context". However, in Android, when the symbol ENABLE_COMPOSITED_FIXED_ELEMENTS is defined, the definition of what is a stacking context is expanded. In this case, a node that is a stacking context and holds references to descendants, changes one of the conditions that form part of Android's expanded stacking context definition. So, now it is no longer a stacking context, but the reference list is not deleted/updated. When the descendant node is removed a search for an ancestral stacking context is made, but it will not find this node since it is no longer a stacking context. The solution is to make sure that the list of references is updated/cleared whenever the node changes a condition that may cause its status as a stacking context to also change. Change-Id: If5a7b63715020bc3d23749a7c09003a86d90e28d
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