Split words on text direction boundaries when computing preffered width

Source/core/rendering/RenderText.cpp

Index: Source/core/rendering/RenderText.cpp
diff --git a/Source/core/rendering/RenderText.cpp b/Source/core/rendering/RenderText.cpp
index 829758b217ec07f5586e868d935ac68a657925c0..e7ce4d78727ccb343fb20c2ee1b1126887a8a3c5 100644
--- a/Source/core/rendering/RenderText.cpp
+++ b/Source/core/rendering/RenderText.cpp
@@ -1020,6 +1020,8 @@ void RenderText::computePreferredLogicalWidths(float leadWidth, HashSet<const Si
             }
         }
 
+        // Terminate word boundary at bidi run boundary.
+        j = min(j, run->stop());
         int wordLen = j - i;
         if (wordLen) {
             bool isSpace = (j < len) && c == ' ';