Use uplifted rustc-stable-hash crate in rustc_data_structures

compiler/rustc_data_structures/src/fingerprint.rs

@@ -1,5 +1,5 @@
 use crate::stable_hasher::impl_stable_traits_for_trivial_type;
-use crate::stable_hasher::{Hash64, StableHasher, StableHasherResult};
+use crate::stable_hasher::{FromStableHash, Hash64, StableHasherHash};
 use rustc_serialize::{Decodable, Decoder, Encodable, Encoder};
 use std::hash::{Hash, Hasher};
 
@@ -154,10 +154,11 @@ impl FingerprintHasher for crate::unhash::Unhasher {
     }
 }
 
-impl StableHasherResult for Fingerprint {
+impl FromStableHash for Fingerprint {
+    type Hash = StableHasherHash;
+
     #[inline]
-    fn finish(hasher: StableHasher) -> Self {
-        let (_0, _1) = hasher.finalize();
+    fn from(StableHasherHash([_0, _1]): Self::Hash) -> Self {
         Fingerprint(_0, _1)
     }
 }