Open
Bug 482886
Opened 16 years ago
Updated 3 years ago
ASSERTION: Primary child list can have at most one frame in it
Categories
(Core :: Layout, defect)
Tracking
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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?
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Reporter | |
Comment 1•16 years ago
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Looks like a regression from bug 243519.
Blocks: 243519
Keywords: assertion,
regression
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Comment 2•14 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>
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Updated•3 years ago
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Severity: normal → S3
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Description
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