ASSERTION FAILED: type() == Percent in WebCore::Length::percent

Source/core/rendering/FixedTableLayout.cpp

Index: Source/core/rendering/FixedTableLayout.cpp
diff --git a/Source/core/rendering/FixedTableLayout.cpp b/Source/core/rendering/FixedTableLayout.cpp
index 25e4b83ffd3f5746cc2a6f0b066df58cfbec8e4a..d0474cb35ece085744f80ebe89274f3e3eb5f1f6 100644
--- a/Source/core/rendering/FixedTableLayout.cpp
+++ b/Source/core/rendering/FixedTableLayout.cpp
@@ -140,6 +140,11 @@ int FixedTableLayout::calcWidthArray()
     RenderTableRow* firstRow = section->firstRow();
     for (RenderTableCell* cell = firstRow->firstCell(); cell; cell = cell->nextCell()) {
         Length logicalWidth = cell->styleOrColLogicalWidth();
+
+        // FIXME: calc() on tables should be handled consistently with other lengths. See bug: https://crbug.com/382725
+        if (logicalWidth.isCalculated())
+            logicalWidth = Length(); // Make it Auto
+
         unsigned span = cell->colSpan();
         int fixedBorderBoxLogicalWidth = 0;
         // FIXME: Support other length types. If the width is non-auto, it should probably just use