Don't allow feeding a query cache entry twice

rust-lang · Dec 1, 2022 · a0bdb4b · a0bdb4b
1 parent 744a97b
commit a0bdb4b
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/compiler/rustc_middle/src/ty/query.rs b/compiler/rustc_middle/src/ty/query.rs
@@ -344,12 +344,10 @@ macro_rules! define_feedable {
 
                 match cached {
                     Ok(old) => {
-                        assert_eq!(
-                            value, old,
-                            "Trying to feed an already recorded value for query {} key={key:?}",
+                        bug!(
+                            "Trying to feed an already recorded value for query {} key={key:?}:\nold value: {old:?}\nnew value: {value:?}",
                             stringify!($name),
                         );
-                        return old;
                     }
                     Err(()) => (),
                 }