diff options
Diffstat (limited to 'compiler/rustc_query_impl/src')
| -rw-r--r-- | compiler/rustc_query_impl/src/on_disk_cache.rs | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/compiler/rustc_query_impl/src/on_disk_cache.rs b/compiler/rustc_query_impl/src/on_disk_cache.rs index f93623e445c..48eb488792d 100644 --- a/compiler/rustc_query_impl/src/on_disk_cache.rs +++ b/compiler/rustc_query_impl/src/on_disk_cache.rs @@ -664,7 +664,21 @@ impl<'a, 'tcx> Decodable<CacheDecoder<'a, 'tcx>> for ExpnId { let data: ExpnData = decoder .with_position(pos.to_usize(), |decoder| decode_tagged(decoder, TAG_EXPN_DATA))?; - rustc_span::hygiene::register_local_expn_id(data, hash) + let expn_id = rustc_span::hygiene::register_local_expn_id(data, hash); + + #[cfg(debug_assertions)] + { + use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; + let mut hcx = decoder.tcx.create_stable_hashing_context(); + let mut hasher = StableHasher::new(); + hcx.while_hashing_spans(true, |hcx| { + expn_id.expn_data().hash_stable(hcx, &mut hasher) + }); + let local_hash: u64 = hasher.finish(); + debug_assert_eq!(hash.local_hash(), local_hash); + } + + expn_id } else { let index_guess = decoder.foreign_expn_data[&hash]; decoder.tcx.cstore_untracked().expn_hash_to_expn_id( @@ -675,16 +689,7 @@ impl<'a, 'tcx> Decodable<CacheDecoder<'a, 'tcx>> for ExpnId { ) }; - #[cfg(debug_assertions)] - { - use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; - let mut hcx = decoder.tcx.create_stable_hashing_context(); - let mut hasher = StableHasher::new(); - hcx.while_hashing_spans(true, |hcx| expn_id.expn_data().hash_stable(hcx, &mut hasher)); - let local_hash: u64 = hasher.finish(); - debug_assert_eq!(hash.local_hash(), local_hash); - } - + debug_assert_eq!(expn_id.krate, krate); Ok(expn_id) } } |