Bug 1336863: Ensure we don't restyle with outdated rules.

servo · Apr 27, 2017 · 7a88ca2 · 7a88ca2
1 parent 8824a68
commit 7a88ca2
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/ports/geckolib/glue.rs b/ports/geckolib/glue.rs
@@ -178,6 +178,7 @@ fn traverse_subtree(element: GeckoElement, raw_data: RawServoStyleSetBorrowed,
     }
 
     let per_doc_data = PerDocumentStyleData::from_ffi(raw_data).borrow();
+    debug_assert!(!per_doc_data.stylesheets.has_changed());
 
     let token = RecalcStyleOnly::pre_traverse(element, &per_doc_data.stylist, traversal_flags);
     if !token.should_traverse() {