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-rw-r--r--src/librustc_metadata/decoder.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustc_metadata/decoder.rs b/src/librustc_metadata/decoder.rs
index 78cde4c2fcb..ba85544326f 100644
--- a/src/librustc_metadata/decoder.rs
+++ b/src/librustc_metadata/decoder.rs
@@ -527,7 +527,7 @@ impl<'a, 'tcx> CrateMetadata {
 
         ty::TraitDef::new(data.unsafety,
                           data.paren_sugar,
-                          tcx.lookup_generics(self.local_def_id(item_id)),
+                          tcx.item_generics(self.local_def_id(item_id)),
                           data.trait_ref.decode((self, tcx)),
                           self.def_path(item_id).unwrap().deterministic_hash(tcx))
     }