bors 51f79b618d Auto merge of #76233 - cuviper:unhasher, r=Mark-Simulacrum ... Avoid rehashing Fingerprint as a map key This introduces a no-op `Unhasher` for map keys that are already hash- like, for example `Fingerprint` and its wrapper `DefPathHash`. For these we can directly produce the `u64` hash for maps. The first use of this is `def_path_hash_to_def_id: Option<UnhashMap<DefPathHash, DefId>>`. cc #56308 r? @eddyb		2020-09-02 22:16:22 +00:00
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src	Auto merge of #76233 - cuviper:unhasher, r=Mark-Simulacrum	2020-09-02 22:16:22 +00:00
Cargo.toml	datastructures: replace lazy_static by SyncLazy from std	2020-09-01 22:06:47 +01:00