Table rows are incorrectly collapsed in case of hidden cells and rowspans.

LayoutTests/platform/linux/fast/table/table-rowspan-cell-with-empty-cell-expected.txt

Index: LayoutTests/platform/linux/fast/table/table-rowspan-cell-with-empty-cell-expected.txt
diff --git a/LayoutTests/platform/linux/fast/table/table-rowspan-cell-with-empty-cell-expected.txt b/LayoutTests/platform/linux/fast/table/table-rowspan-cell-with-empty-cell-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4dbfdf1c3b880ed4821eae0c4e6fb0380b56d016
--- /dev/null
+++ b/LayoutTests/platform/linux/fast/table/table-rowspan-cell-with-empty-cell-expected.txt
@@ -0,0 +1,42 @@
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