Open
Bug 482886
Opened 15 years ago
Updated 2 years ago
ASSERTION: Primary child list can have at most one frame in it
Categories
(Core :: Layout, defect)
Tracking
()
NEW
People
(Reporter: bzbarsky, Unassigned)
References
Details
(Keywords: assertion, regression)
This is triggered by the reftest at layout/reftests/bugs/427017-1.xhtml The problem is that we call nsCSSFrameConstructor::ReplicateFixedFrames, which takes all the placeholders and passes them to SetInitialChildList on a CanvasFrame. But CanvasFrame assumes it only has one principal child list child, and has an assert to that effect in SetInitialChildList(). Can we stick these placeholders on a non-principal child list? If not, why not, and why don't the CanvasFrame assumptions bite us?
Reporter | ||
Comment 1•15 years ago
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Looks like a regression from bug 243519.
Blocks: 243519
Keywords: assertion,
regression
Comment 2•13 years ago
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Also bug 675713. And also this testcase: <!DOCTYPE html><html> <style>span { position: fixed; } * { height: 1000px }</style> <body><span></span><span></span></body> </html>
Updated•2 years ago
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Severity: normal → S3
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Description
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