Unwrap the other query result

(I can't build right now so this may not actually be correct)

Author: rsmyth-ecmi

compiler/rustc_query_system/src/query/plumbing.rs

@@ -282,13 +282,10 @@ where
                     // We didn't find the query result in the query cache. Check if it was
                     // poisoned due to a panic instead.
                     let lock = query.query_state(qcx).active.get_shard_by_value(&key).lock();
-                    match lock.get(&key) {
-                        // The query we waited on panicked. Continue unwinding here.
-                        Some(QueryResult::Poisoned) => FatalError.raise(),
-                        _ => panic!(
-                            "query result must in the cache or the query must be poisoned after a wait"
-                        ),
-                    }
+                    lock.get(&key).unwrap();
+                    panic!(
+                        "query result must in the cache or the query must be poisoned after a wait"
+                    );
                 })
             };