Closed Bug 1196379 Opened 9 years ago Closed 9 years ago

MOZ_ASSERT "shouldn't find rule in mMatchingRules that is not in aRules"

Categories

(Core :: CSS Parsing and Computation, defect)

defect
Not set
normal

Tracking

()

RESOLVED FIXED
mozilla44
Tracking Status
firefox44 --- fixed

People

(Reporter: khuey, Assigned: heycam)

References

Details

(Keywords: assertion)

Attachments

(2 files)

I hit the assertion at http://hg.mozilla.org/mozilla-central/annotate/d590b9601ba8/layout/style/CSSStyleSheet.cpp#l384 by installing ABP and then logging into Netflix in the same browser session. Will attach gdb session logs. I was not able to reproduce.
Flags: needinfo?(cam)
I was able to reproduce this reliably by installing ABP and then visiting this page: http://simple-adblock.com/faq/testing-your-adblocker/ I hit the assertion every time.
Thanks Bill, I hit the assertion with that page too.
(I hit this when restoring a gmail tab in a debug build, too, FWIW.)
Attached patch patch (deleted) — Splinter Review
The assertion is wrong. It should have been checking that that was the state after finishing the loop advancing pm. Let's rewrite the assertion to be more clear about what it should be checking.
Assignee: nobody → cam
Status: NEW → ASSIGNED
Flags: needinfo?(cam)
Attachment #8672472 - Flags: review?(dbaron)
Attachment #8672472 - Flags: review?(dbaron) → review+
Status: ASSIGNED → RESOLVED
Closed: 9 years ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla44
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