Assertion failure: !aElement->AncestorHasDirAuto() || child->AncestorHasDirAuto() (AncestorHasDirAuto set on node but not its children), at content/base/src/DirectionalityUtils.cpp:672
Simon - please nominate for tracking on Firefox 20 if this is a critical issue.
Assignee: nobody → smontagu
We add the AncestorHasDirAuto flag when adding a new element, but we need to add it to a new text-node also.
Attachment #710095 - Flags: review?(ehsan)
Can we get an aurora approval nomination here so this could get uplifted (if low risk) before we merge FF20 to Beta next Tuesday?
Comment on attachment 710095 [details] Patch [Approval Request Comment] Bug caused by (feature/regressing bug #): bug 548206 User impact if declined: Text could appear in the wrong directionality in some dynamic situations with bidirectional text Testing completed (on m-c, etc.): baked on m-c since 2013-02-06 Risk to taking this patch (and alternatives if risky): small risk of regressions in other dynamic situations with bidirectional text String or UUID changes made by this patch: None
Attachment #710095 - Flags: approval-mozilla-aurora?
Comment on attachment 710095 [details] Patch Approving for uplift, we want this fix even with the small risk of regression on bidi text.
Attachment #710095 - Flags: approval-mozilla-aurora? → approval-mozilla-aurora+
https://hg.mozilla.org/releases/mozilla-aurora/rev/beb2e598079c FYI, I folded the test in with the patch.
Issue reproducible with the debug build from 2013-01-31. (assertion failure + Firefox crash) Verified fixed with Firefox 21 latest debug build, on Mac OSX 10.8.3 (no assertion failure + no Firefox crash) Build ID: 20130426142004
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