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Rollup merge of #108257 - fee1-dead-contrib:fixme-1, r=tmiasko

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Remove old FIXME that no longer applies

it looks like Encodable was fallible at some point, but that was changed which means that this FIXME is no longer applicable
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Matthias Krüger 2023-02-20 22:12:19 +01:00 committed by GitHub
commit 02842d4f69
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compiler/rustc_serialize/src/serialize.rs
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@ -430,11 +430,6 @@ impl<D: Decoder, T: Decodable<D> + Copy> Decodable<D> for Cell<T> {
}
}
// FIXME: #15036
// Should use `try_borrow`, returning an
// `encoder.error("attempting to Encode borrowed RefCell")`
// from `encode` when `try_borrow` returns `None`.
impl<S: Encoder, T: Encodable<S>> Encodable<S> for RefCell<T> {
fn encode(&self, s: &mut S) {
self.borrow().encode(s);