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Auto merge of #26484 - servo:layout-2020-style-prep, r=SimonSapin

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Implement concept of dirty root
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bors-servo 2020-05-19 11:40:58 -04:00 • committed by GitHub
commit 79b6758cb9
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16 changed files with 294 additions and 97 deletions
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6
components/layout_2020/dom_traversal.rs
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@ -346,8 +346,10 @@ impl BoxSlot<'_> {
impl Drop for BoxSlot<'_> {
fn drop(&mut self) {
if let Some(slot) = &mut self.slot {
assert!(slot.borrow().is_some(), "failed to set a layout box");
if !std::thread::panicking() {
if let Some(slot) = &mut self.slot {
assert!(slot.borrow().is_some(), "failed to set a layout box");
}
}
}
}