1256661 - Yahoo Smart Views folders are not visible

Status: RESOLVED DUPLICATE of bug 1258168

(Core :: Graphics, defect)

Description

[Simona Badau, Desktop QA]

Attachment: 2016-03-15 15h26_16.mp4

Mozilla/5.0 (Windows NT 6.3; rv:48.0) Gecko/20100101 Firefox/48.0
Build ID: 20160314030215

[Affected versions]:
Nightly 48.0a1
Aurora 47.0a2
Firefox 46.0b1

[Affected platforms]:
Windows 

[Steps to reproduce]:
1. Launch Firefox
2. Log-in to Yahoo mail: https://mail.yahoo.com/
3. Click on the Smart Views folder to see the sub-folders
4. Hover the mouse over the sub-folders.

[Expected result]:
- The sub-folders are properly displayed.

[Actual result]:
- The Sub-folders are not visible (please see the screencast for more details).

[Regression range]:
- Not reproducible on the latest Firefox 45 RC. I will provide the regression range as soon as possible. 

[Additional notes]:
- Not reproducible on Mac OS X and on Ubuntu.

Comment 1

[Simona Badau, Desktop QA]

[Tracking Requested - why for this release]: Visual regression in Firefox 46.

Comment 2

[Simona Badau, Desktop QA]

Last good revision: 36c1e4eb0c9141aae4071a917ce4e3a59f5a79c6
First bad revision: d74084d072f0b5dfb00e3fbc103bef0a3fecbf85

Pushlog:
https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=36c1e4eb0c9141aae4071a917ce4e3a59f5a79c6&tochange=d74084d072f0b5dfb00e3fbc103bef0a3fecbf85

Looks like the following bug has the changes which introduced the regression:
https://bugzilla.mozilla.org/show_bug.cgi?id=1220629

Comment 3

[Jamie Nicol [:jnicol]]

Regression from pushlayer/poplayer stuff. cc Bas and Jeff

Comment 5

[Liz Henry (:lizzard) (relman/hg->git project)]

Tracking in bug 1258168.