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Add comment on stable_hash_impl for OwnerNodes #93443

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Feb 11, 2022
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Add comment on stable_hash_impl for OwnerNodes #93443

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3 changes: 3 additions & 0 deletions compiler/rustc_hir/src/stable_hash_impls.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -208,6 +208,9 @@ impl<'tcx, HirCtx: crate::HashStableContext> HashStable<HirCtx> for OwnerNodes<'
fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
// 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.
// `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 {
hash_including_bodies,
hash_without_bodies: _,
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