diff options
| -rw-r--r-- | components/layout_2020/positioned.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/components/layout_2020/positioned.rs b/components/layout_2020/positioned.rs index 727fa618292..8cbf7faedaa 100644 --- a/components/layout_2020/positioned.rs +++ b/components/layout_2020/positioned.rs @@ -379,6 +379,14 @@ impl PositioningContext { ) } } + + pub(crate) fn clear(&mut self) { + self.for_nearest_containing_block_for_all_descendants + .clear(); + self.for_nearest_positioned_ancestor + .as_mut() + .map(|v| v.clear()); + } } impl HoistedAbsolutelyPositionedBox { @@ -564,6 +572,13 @@ impl HoistedAbsolutelyPositionedBox { "Mixed writing modes are not supported yet" ); let dummy_tree_rank = 0; + + // Clear the context since we will lay out the same descendants + // more than once. Otherwise, absolute descendants will create + // multiple fragments which could later lead to double-borrow + // errors. + positioning_context.clear(); + let independent_layout = non_replaced.layout( layout_context, &mut positioning_context, |