BUG :visible broken in IE8 on element following a display:inline

BUG :visible broken in IE8 on element following a display:inline

I have entered bug #5670 for this issue. Details are in the bug.
High level:
in IE8
a hidden div following a div with display:inline will be reported as
visible
IE reports the the height and width as greater than 0 for the hidden
div when if follows an inline div
This sucks
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