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style: Paper over a crash in non-nightly

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Differential Revision: https://phabricator.services.mozilla.com/D107400
This commit is contained in:
Oriol Brufau 2023-05-16 08:04:42 +02:00
parent 108c50c6df
commit b222bd3162
2 changed files with 15 additions and 16 deletions
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16
components/style/properties/properties.mako.rs
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@ -1757,7 +1757,21 @@ impl UnparsedValue {
shorthand_cache.insert((shorthand, longhand), declaration);
}
Cow::Borrowed(&shorthand_cache[&(shorthand, longhand_id)])
let key = (shorthand, longhand_id);
match shorthand_cache.get(&key) {
Some(decl) => Cow::Borrowed(decl),
None => {
// FIXME: We should always have the key here but it seems
// sometimes we don't, see bug 1696409.
#[cfg(feature = "gecko")]
{
if structs::GECKO_IS_NIGHTLY {
panic!("Expected {:?} to be in the cache but it was not!", key);
}
}
invalid_at_computed_value_time()
}
}
}
}