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Add parent crate assert to register_expn_id

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This commit is contained in:
Cameron Steffen 2021-11-28 16:35:31 -06:00
parent 768cfac705
commit ac8d514376
1 changed files with 1 additions and 0 deletions
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compiler/rustc_span/src/hygiene.rs
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@ -1240,6 +1240,7 @@ pub fn register_expn_id(
data: ExpnData,
hash: ExpnHash,
) -> ExpnId {
debug_assert!(data.parent == ExpnId::root() || krate == data.parent.krate);
let expn_id = ExpnId { krate, local_id };
HygieneData::with(|hygiene_data| {
let _old_data = hygiene_data.foreign_expn_data.insert(expn_id, data);