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-rw-r--r--compiler/rustc_middle/src/middle/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/middle/mod.rs b/compiler/rustc_middle/src/middle/mod.rs
index 9f71971ea08..4587dcaddc4 100644
--- a/compiler/rustc_middle/src/middle/mod.rs
+++ b/compiler/rustc_middle/src/middle/mod.rs
@@ -25,7 +25,7 @@ pub mod lib_features {
             self.stability
                 .to_sorted_stable_ord()
                 .iter()
-                .map(|(&sym, &(stab, _))| (sym, stab))
+                .map(|&(&sym, &(stab, _))| (sym, stab))
                 .collect()
         }
     }