1797982 - Baseline for Scrollable Div offset by Its Padding

Status: VERIFIED FIXED

(Core :: Layout: Block and Inline, defect)

Description

[David Shin[:dshin]]

Attachment: flex-baseline.html

STR: Load attached use case
Expected: Cyan squares aligned to their baselines, where the pair of squares touch
Actual: The pair of cyan squares to the left offset by the block padding of .inner div. This does not occur if .inner div does not have scroll or hidden overflow set.

Comment 1

[David Shin[:dshin]]

Attachment: Bug 1797982 - Avoid double counting padding when getting first baseline of scroll containers. r=#layout-reviewers

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/2620b3a575e8
Avoid double counting padding when getting first baseline of scroll containers. r=emilio

Comment 3

[Marian-Vasile Laza]

https://hg.mozilla.org/mozilla-central/rev/2620b3a575e8

Comment 4

[Ardelean Oana, Desktop Test Engineering [:oardelean]]

Reproducible on a 2022-10-28 Nightly build on macOS 12. Verified as fixed on Firefox 108.0b2(build ID: 20221115200658) and Nightly 109.0a1(build ID: 20221115214157) on macOS 12, Ubuntu 22, Windows 10.