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servo: Merge #19294 - style: Collect more debugging info when collecting rules of detached pseudos (from emilio:debug-detached-pseudo); r=heycam
Called Option::unwrap() on a None value is not a helpful crash message. This will hopefully help figure out what is causing bug 1418856. Source-Repo: https://github.com/servo/servo Source-Revision: af6c2f93b9ff91f4c3e5758d9b27173e49928bed --HG-- extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear extra : subtree_revision : 79fcf95fafaa207f4ce7bdfa08b256d388e1aa47
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@ -756,11 +756,18 @@ pub trait TElement
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/// element-backed pseudo-element, in which case we return the originating
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/// element.
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fn rule_hash_target(&self) -> Self {
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let is_implemented_pseudo =
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self.implemented_pseudo_element().is_some();
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if is_implemented_pseudo {
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self.closest_non_native_anonymous_ancestor().unwrap()
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if let Some(pseudo) = self.implemented_pseudo_element() {
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match self.closest_non_native_anonymous_ancestor() {
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Some(e) => e,
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None => {
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panic!(
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"Trying to collect rules for a detached pseudo-element: \
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{:?} {:?}",
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pseudo,
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self,
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)
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}
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}
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} else {
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*self
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}
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