1265417 - Layout artifacts appear when first opening Developer Toolbar

Status: RESOLVED DUPLICATE of bug 1043413

(Core :: Layout, defect)

Description

[Iulia Cristescu, QA [:JuliaC] (away, please needinfo? [e-mail])]

Attachment: layout artifacts.png

[Affected versions]:
- 48.0a1 (2016-04-18)
- 47.0a2 (2016-04-18)
- 46.0b11 build1 (20160414152344)
- 45.0.2 build1 (20160407164938)
- 44.0 build3 (20160123151951)

[Affected platforms]:
- Windows 10 x64 
- Windows 7 x64 
- Mac OS X 10.9.5 
- Ubuntu 14.04 x86 

[Steps to reproduce]:
1. Launch Firefox with a new profile.
2. Open Developer Toolbar from Hamburger Menu > Developer > Developer Toolbar (or by pressing Shift + F2)
3. Click the "Got It" button in order to close the informative pop-up window.
4. Inspect the area above the Developer Toolbar.

[Expected result]:
- The Developer Toolbar is successfully opened at the bottom of the window (step 2). 
- The informative pop-up is properly closed (step 3).

[Actual result]:
- After step 3, layout artifacts appear above the Developer Toolbar.

[Regression range]:
  This issue is a regression. I couldn`t make further bisecting, as the Mozregression tool wasn’t able to find any more builds. 

* Last good revision: a98a1d78817f (2014-02-27)
* First bad revision: 58eca03214a6 (2014-02-28)
* Pushlog:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=a98a1d78817f&tochange=58eca03214a6

Comment 1

[Jim Mathies [:jimm]]

needs an owner for 47 cycle

Comment 2

[David Baron :dbaron: (⌚️UTC-4, no longer working on Mozilla)]

I feel like I've seen yet a different bug on this, but this is the duplicate I found just now...

Comment 3

[Lawrence Mandel [:lmandel] (use needinfo)]

Clearing status flag. We'll track in dup bug 1043413.