Open Bug 1274607 Opened 5 years ago

UnbindFromTree is extremely slow with deep DOM trees, leads to aborted shutdown

Categories

(Core :: DOM: Core & HTML, defect)

48 Branch
defect
Not set
normal

Tracking

()

UNCONFIRMED

People

(Reporter: mats, Unassigned)

Details

(Keywords: perf)

STR
1. load testcase 3 in bug 455690:
https://bugzilla.mozilla.org/attachment.cgi?id=8754858
in a trunk or aurora DEBUG build.
2. quit

ACTUAL RESULT
Hit MOZ_CRASH(Shutdown too long, probably frozen, causing a crash.)

I can't reproduce it in a beta DEBUG build though, so I'm not sure
if this is a regression or something we intentionally do in
trunk/aurora DEBUG builds that makes them slow.
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