1476254 - [DevTools] - treemap text overlap tree lines

Status: NEW

(DevTools :: Memory, defect, P3)

Description

[Cristian Fogel [:cfogel]]

Attachment: devtools_memoryPane_textoverlapsTree.png

[Affected versions]:
- Firefox 61.0.1, 62.0b9, 63.0a1 (2018-07-16)

[Affected platforms]:
- Win 8x32, Win 10x64, macOS 10.13.4, Ubuntu 16.04LTS;

[Steps to reproduce]:
1. Launch firefox;
2. Navigate to: https://www.irfanview.com/eula.htm
3. Open the devTools;
4. Click on the Memory tab;
5. Click on the Take Snapshot button.

[Expected result]:
- content is properly displayed.

[Actual result]:
- text in the first tree-map area is overlapping with tree-lines;

[Regression range]:
- best regression range after mozregression bisection:
https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=91115264629dfaacf2d60d52a3eff89c18c5af0d&tochange=afd82f887093e5e9e4015115ca5795ec82a6f732

last good: 91115264629dfaacf2d60d52a3eff89c18c5af0d  (2016-04-14)
first bad: afd82f887093e5e9e4015115ca5795ec82a6f732  (2016-04-15)

[Additional notes]:
- attached screenshot with the issue;
- win_7(both 32/64) seems not to be affected;
- on 49.0a1 (2016-04-25) the last section(one on the right) was affected;

Comment 1

[Pascal Chevrel:pascalc]

Unassigned P3, so wontfix for 64.

Comment 2

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

Happy to take a patch in nightly; if it seems low risk enough please feel free to request uplift to 65 beta.