1231246 - Firefox hangs when there's SVG text inside a deeply nested flexbox layout

Status: RESOLVED DUPLICATE of bug 1209697

(Core :: General, defect)

Description

[Azmi Fareed]

Attachment: SVG text inside a deeply nested flexbox layout

User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:42.0) Gecko/20100101 Firefox/42.0
Build ID: 20151029151421

Steps to reproduce:

Create a page with SVG text inside a deeply nested Flexbox layout (15-20 would do) and open this page in Firefox. You may check the attached file.


Actual results:

Firefox just hangs for some time. The hang time increases in proportion with the amount of SVG text.  


Expected results:

The page should load instantly. This can be observed in Chrome.

Comment 1

[Firefox Bug Husbandry Bot]

2019-03-06

This bug is part of a group of bugs which have had an open needinfo for at least 12 weeks.

The request for information has not been answered, and we can't move forward on the bug so we are closing it.

If the defect is still present, please reopen this bug with an updated report.

Comment 2

[Daniel Holbert [:dholbert]]

The testcase does have a 3-4 second hang when loaded, in old builds, but it loads instantly for me in current Nightly.

Fix range:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=f985243bb630b2c78cd57731c8d8ab191aa09527&tochange=bf15d4078c2a6db7df37ab466d28a1e075c9eb4d

Looks like this was fixed by bug 1209697.