[Webkit-unassigned] [Bug 190820] New: [iOS] REGRESSION: Image corruption when using smart invert

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=190820

            Bug ID: 190820
           Summary: [iOS] REGRESSION: Image corruption when using smart
                    invert
           Product: WebKit
           Version: Safari 12
          Hardware: iPhone / iPad
               URL: https://old.reddit.com
                OS: iOS 12
            Status: NEW
          Keywords: Regression
          Severity: Normal
          Priority: P2
         Component: Images
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: dbates at webkit.org
                CC: sabouhallawa at apple.com, simon.fraser at apple.com,
                    zalan at apple.com

Seen on iPad running 12.0.1 (16A404).

Ensure that the Smart Invert Colors accessibility shortcut is enabled. You can enable it under Settings > General > Accessibility > Accessibility Shortcut.

Perform the following:

1. Visit <https://old.reddit.com/>.
2. Triple tap the Home button to enable Smart Invert Colors.
3. Tap a hyperlink of a post.
4. Swipe back.

Then some of the images will be corrupted. If you do not see this the first time then try tapping another post and swiping back and/ swipe forward and then swipe back. 

For some reason this bug seems to only happen when Smart Invert Colors is enabled or at least when this settings is enabled the image corruption is more noticeable.

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