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Auto merge of #119259 - cjgillot:single-crate-id, r=Mark-Simulacrum

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Only store StableCrateId once in DefPathTable.

https://github.com/rust-lang/rust/pull/119238 made me think of this.

cc `@Mark-Simulacrum`
This commit is contained in:
bors 2023-12-29 14:37:40 +00:00
commit dc450f9dcb
4 changed files with 40 additions and 32 deletions
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4
compiler/rustc_metadata/src/rmeta/def_path_hash_map.rs
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@ -19,7 +19,9 @@ impl DefPathHashMapRef<'_> {
#[inline]
pub fn def_path_hash_to_def_index(&self, def_path_hash: &DefPathHash) -> DefIndex {
match *self {
DefPathHashMapRef::OwnedFromMetadata(ref map) => map.get(def_path_hash).unwrap(),
DefPathHashMapRef::OwnedFromMetadata(ref map) => {
map.get(&def_path_hash.local_hash()).unwrap()
}
DefPathHashMapRef::BorrowedFromTcx(_) => {
panic!("DefPathHashMap::BorrowedFromTcx variant only exists for serialization")
}