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Assert that compute_style_difference is only called with eager pseudos.

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Gecko bug 1324618 part 3: https://bugzilla.mozilla.org/show_bug.cgi?id=1324618
This commit is contained in:
Boris Zbarsky 2017-06-26 23:24:56 -07:00
parent 18ab0087ae
commit 40dd807df3
1 changed files with 1 additions and 0 deletions
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components/style/matching.rs
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@ -1478,6 +1478,7 @@ pub trait MatchMethods : TElement {
pseudo: Option<&PseudoElement>) pseudo: Option<&PseudoElement>)
-> StyleDifference -> StyleDifference
{ {
debug_assert!(pseudo.map_or(true, |p| p.is_eager()));
if let Some(source) = self.existing_style_for_restyle_damage(old_values, pseudo) { if let Some(source) = self.existing_style_for_restyle_damage(old_values, pseudo) {
return RestyleDamage::compute_style_difference(source, new_values) return RestyleDamage::compute_style_difference(source, new_values)
} }