NEW 109632
REGRESSION: Non-overlay scrollbars not clipped properly when very region is very small 
https://bugs.webkit.org/show_bug.cgi?id=109632
Summary REGRESSION: Non-overlay scrollbars not clipped properly when very region is v...
Elliott Sprehn
Reported 2013-02-12 16:49:24 PST
If the scrollable area is very small we'll paint the scrollbar outside the region instead of clipping it, and then we don't think we did this so we never invalidate that area and repaint it on scroll so the thumb may paint in two places.
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Elliott Sprehn
Comment 1 2013-02-12 16:50:36 PST
Reproduces in Shipping Safari 6.0.2 (8536.26.17), Webkit nightly r142638 and Chrome dev/canary but not Chrome Stable 24.
James Robinson
Comment 2 2013-02-12 16:51:34 PST
Happens on OS X and not linux.
Simon Fraser (smfr)
Comment 3 2013-02-12 16:55:07 PST
I don't see a problem in r142561 on mountain lion (with overlay scrollbars).
James Robinson
Comment 4 2013-02-12 16:57:54 PST
Set "Show scroll bars" in System Preferences -> General to "Always" or plug a mouse in.
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