[Webkit-unassigned] [Bug 156585] New: img onload event is fired upon receiving a 301

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=156585

            Bug ID: 156585
           Summary: img onload event is fired upon receiving a 301
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mmaxfield at apple.com
                CC: beidson at apple.com

1. Use the Network Link Conditioner (http://nshipster.com/network-link-conditioner/) to make the network slow
2. Open the reproduction html
3. Click somewhere
4. Wait a little while

Actual behavior: Red rectangle gets very narrow for a split second before jumping back to its original size

Expected behavior: Red rectangle never changes size

Firefox / Chrome display the expected behavior.

The link that we load when clicking (https://placehold.it/200x200) returns a 301. Initial guess is that we're firing the onload event upon receiving the 301, rather than the subsequent 200.

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