1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs
index d9f03fe1407..775fad1a365 100644
--- a/compiler/rustc_session/src/options.rs
+++ b/compiler/rustc_session/src/options.rs
@@ -917,7 +917,7 @@ mod parse {
             }
         }
 
-        let mut options = slot.get_or_insert_default();
+        let options = slot.get_or_insert_default();
         let mut seen_always = false;
         let mut seen_never = false;
         let mut seen_ignore_loops = false;