bjoernager/rust
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Store hashes in special types so they aren't accidentally encoded as numbers

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This commit is contained in:
Ben Kimock 2023-04-07 23:11:20 -04:00
parent de96f3d873
commit 0445fbdd83
38 changed files with 274 additions and 138 deletions
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6
compiler/rustc_hir/src/definitions.rs
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@ -9,7 +9,7 @@ use crate::def_id::{CrateNum, DefIndex, LocalDefId, StableCrateId, CRATE_DEF_IND
use crate::def_path_hash_map::DefPathHashMap;
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::stable_hasher::StableHasher;
use rustc_data_structures::stable_hasher::{Hash64, StableHasher};
use rustc_index::vec::IndexVec;
use rustc_span::symbol::{kw, sym, Symbol};
@ -130,7 +130,7 @@ impl DefKey {
disambiguator.hash(&mut hasher);
let local_hash: u64 = hasher.finish();
let local_hash = hasher.finish();
// Construct the new DefPathHash, making sure that the `crate_id`
// portion of the hash is properly copied from the parent. This way the
@ -325,7 +325,7 @@ impl Definitions {
},
};
let parent_hash = DefPathHash::new(stable_crate_id, 0);
let parent_hash = DefPathHash::new(stable_crate_id, Hash64::ZERO);
let def_path_hash = key.compute_stable_hash(parent_hash);
// Create the root definition.