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Add comment on stable_hash_impl for OwnerNodes

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Santiago Pastorino 2022-01-28 18:06:53 -03:00
parent 009c1d0248
commit 5f7b989275
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compiler/rustc_hir/src/stable_hash_impls.rs
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@ -208,6 +208,9 @@ impl<'tcx, HirCtx: crate::HashStableContext> HashStable<HirCtx> for OwnerNodes<'
fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) { fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
// We ignore the `nodes` and `bodies` fields since these refer to information included in // We ignore the `nodes` and `bodies` fields since these refer to information included in
// `hash` which is hashed in the collector and used for the crate hash. // `hash` which is hashed in the collector and used for the crate hash.
// `local_id_to_def_id` is also ignored because is dependent on the body, then just hashing
// the body satisfies the condition of two nodes being different have different
// `hash_stable` results.
let OwnerNodes { let OwnerNodes {
hash_including_bodies, hash_including_bodies,
hash_without_bodies: _, hash_without_bodies: _,