1255466 - canvas fill empty path "L"-shape

Status: RESOLVED DUPLICATE of bug 1248525

(Core :: Graphics: Canvas2D, defect)

Description

[null]

Attachment: test.html

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:45.0) Gecko/20100101 Firefox/45.0
Build ID: 20160303134406

Steps to reproduce:

Attempt to fill empty path (zero area) like "L" shape where last point is same as second.
[0,0], [0,100], [100,100], [0,100]


Actual results:

Something is filled on v45 (Macintosh; Intel Mac OS X 10.9; rv:45.0)
Nightly is ok.


Expected results:

Empty canvas.

Comment 1

[Loic]

On Win 7 with FF45/48, I get empty canvas.

Comment 2

[null]

Attachment: canvas contents

Exists on OS X 10.9.5 (Intel HD Graphics 5000) and 10.11.3 (Intel Iris)

Comment 3

[Tooru Fujisawa [:arai]]

Dupe of bug 1248525, Already fixed in Firefox 46 (bug 1082598).

It's an OSX specific issue in Skia Graphics Library.
unfortunately it won't be fixed in Firefox 45.