[Webkit-unassigned] [Bug 142500] New: CSS Table height has bug where it changing it's descendants overflow causes it to affect cell calculation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=142500

            Bug ID: 142500
           Summary: CSS Table height has bug where it changing it's
                    descendants overflow causes it to affect cell
                    calculation
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: gwhit at microsoft.com

I submitted this bug to blink as well based on a discussion on the WG where it was determined that IE/Blink/Webkit all render the test incorrectly. Here is the info:

Safari Versions Tested: 7 & 8
URLs (if applicable) : http://jsbin.com/vaxovufoxi/1/edit?html,output
Other browsers tested:
     Chrome 41: Fail
     Firefox 36: Pass
     IE 11: Fail
     IE Edge (Windows 10 TP): Fail
     Presto (Opera 12): Pass

What steps will reproduce the problem?
Go to the jsbin set above, view the three rendered boxes

What is the expected result?
All three of them should be the same size

What happens instead?
Testcase 1 and 3 render the same, for some reason setting overflow y to hidden causes the second one to overflow.

Please provide any additional information below. Attach a screenshot if
possible.
I reached out to the WG regarding this to see who was right in this regard. Here is the working group link: https://lists.w3.org/Archives/Public/www-style/2015Mar/0123.html

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