Fixed positioned element with relative percentage positioned parent is wrongly placed

Source/core/rendering/RenderBox.cpp

Index: Source/core/rendering/RenderBox.cpp
diff --git a/Source/core/rendering/RenderBox.cpp b/Source/core/rendering/RenderBox.cpp
index 7e63fe333b7890e7e5c48a84f0ad34a67eb493fb..f60375f6c683c1d4b275c218ae8a1715967072b0 100644
--- a/Source/core/rendering/RenderBox.cpp
+++ b/Source/core/rendering/RenderBox.cpp
@@ -2699,9 +2699,9 @@ static void computeInlineStaticDistance(Length& logicalLeft, Length& logicalRigh
             } else if (curr->isInline()) {
                 if (curr->isRelPositioned()) {
                     if (!curr->style()->logicalLeft().isAuto())
-                        staticPosition += curr->style()->logicalLeft().value();
+                        staticPosition += valueForLength(curr->style()->logicalLeft(), curr->containingBlock()->availableWidth());
                     else
-                        staticPosition -= curr->style()->logicalRight().value();
+                        staticPosition -= valueForLength(curr->style()->logicalRight(), curr->containingBlock()->availableWidth());
                 }
             }
         }
@@ -2721,9 +2721,9 @@ static void computeInlineStaticDistance(Length& logicalLeft, Length& logicalRigh
             } else if (curr->isInline()) {
                 if (curr->isRelPositioned()) {
                     if (!curr->style()->logicalLeft().isAuto())
-                        staticPosition -= curr->style()->logicalLeft().value();
+                        staticPosition -= valueForLength(curr->style()->logicalLeft(), curr->containingBlock()->availableWidth());
                     else
-                        staticPosition += curr->style()->logicalRight().value();
+                        staticPosition += valueForLength(curr->style()->logicalRight(), curr->containingBlock()->availableWidth());
                 }
             }
             if (curr == containerBlock)