diff options
Diffstat (limited to 'components/style/sequential.rs')
| -rw-r--r-- | components/style/sequential.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/components/style/sequential.rs b/components/style/sequential.rs index cbb5e253dee..a11bbd52d98 100644 --- a/components/style/sequential.rs +++ b/components/style/sequential.rs @@ -18,6 +18,7 @@ pub fn traverse_dom<E, D>(traversal: &D, where E: TElement, D: DomTraversal<E>, { + debug_assert!(!traversal.is_parallel()); debug_assert!(token.should_traverse()); fn doit<E, D>(traversal: &D, traversal_data: &mut PerLevelTraversalData, |