1860473 - Thin dotted broken border around image or CSS on a Codepen demo

Status: NEW

(Core :: Graphics: WebRender, defect, P2)

Description

[Mayank Bansal]

Open https://codepen.io/t_afif/pen/mdawrLa
Hover mouse over the image in the demo

AR: thin dotted border around the image
ER: Not so

Regression range: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=d9460ced3766bdcebc09b63d65ce1a20dba5dd7f&tochange=c574c4d758d3e53ce9cdf03d4fbfd16ca05ec90c

Comment 1

[Mayank Bansal]

Attachment: Standalone testcase.html

Comment 2

[Alice0775 White]

Regression window(Although the good build does not show the orange background image):
https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=727b1ddf8b4848a9e8587cf98b240b9e8109cee4&tochange=5650d8c2cefaa39570336e0bbee737d1ae8222b6

Suspect:
fc449cf7d4767518722cc99892a710256d013e4c Emilio Cobos Álvarez — Bug 1774589 - Fix a couple css-values tests while at it. r=boris
02eccb00040425f26618ac7c766a2e9d02a64d63 Emilio Cobos Álvarez — Bug 1774589 - Implement atan2(), and enable calc() trigonometric functions by default on nightly. r=boris

Comment 3

[BugBot [:suhaib / :marco/ :calixte]]

:emilio, since you are the author of the regressor, bug 1774589, could you take a look? Also, could you set the severity field?

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Comment 4

[Emilio Cobos Álvarez (:emilio)]

Not really a regression from that bug, that bug only enabled the feature that that demo is using.

This seems similar to other WebRender snapping issues that are around.

Comment 5

[BugBot [:suhaib / :marco/ :calixte]]

The severity field is not set for this bug.
:bhood, could you have a look please?

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