Visibility collapse


When a row is collapsed, a cell spanning the row may get clipped. When the row is then uncollapsed, the browser should not crash because the cell's children should be correctly updated and laid out.

Row 1 Row 1 wordword Row 1 wordwordword
Row 2 Row 2 wordwordword Row 2 wordword
Row 3 Row 3 word Row 3 wordwordwordword
superlongwordsuperlongwordsuper     shouldbeclipped