Don't propagate Inherit ad infinitum.

Source/core/dom/Element.cpp

Index: Source/core/dom/Element.cpp
diff --git a/Source/core/dom/Element.cpp b/Source/core/dom/Element.cpp
index aff399f4b84719b13b22ab2811853fd989851923..ebdb3a0f525af79c9bf072abcb6fb6a00dca48d5 100644
--- a/Source/core/dom/Element.cpp
+++ b/Source/core/dom/Element.cpp
@@ -1649,7 +1649,10 @@ StyleRecalcChange Element::recalcOwnStyle(StyleRecalcChange change)
     }
 
     if (styleChangeType() >= SubtreeStyleChange)
-        return document().ensureStyleResolver().treeBoundaryCrossingRules().isEmpty() ? Inherit : Force;
+        return Force;
+
+    if (change <= Inherit)
+        return localChange;
 
     return max(localChange, change);
 }