[Webkit-unassigned] [Bug 221347] REGRESSION (r272241) [MacOS wk1] imported/w3c/web-platform-tests/css/css-flexbox/overflow-auto-006.html is flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=221347

Rúnar Berg <runarberg at gotlearning.com> changed:

           What    |Removed                     |Added
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                 CC|                            |runarberg at gotlearning.com

--- Comment #11 from Rúnar Berg <runarberg at gotlearning.com> ---
I think this bug is related to a behavior I just encountered on a website I’m developing.

So if you have a container with display: flex and flex-direction: row-reverse and an overflow: auto or overflow: scroll then you cannot use the scrollbar thumb to scroll the container.

I created a jsfiddle here: https://jsfiddle.net/u0mrwdz2

This example works fine in Firefox and Chrome, however in Safari this scrolls fine except if you click and drag the scrollbar thumb to the position you want. Two finger scrolling, arrow key scrolling and clicking a position still works fine, it is only dragging the thumb that is broken. If you change the flex-direction to row, then this works fine again.

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