1 files changed, 2 insertions, 0 deletions
diff --git a/proc.c b/proc.c
index 8dcdf8fc3a..d44e8d8ab9 100644
--- a/proc.c
+++ b/proc.c
@@ -1663,6 +1663,8 @@ rb_method_entry_arity(const rb_method_entry_t *me)
       }
     }
     rb_bug("rb_method_entry_arity: invalid method entry type (%d)", def->type);
+
+    UNREACHABLE;
 }
 
 /*