Bugfix: "Captured" updates on legacy queue

packages/react-noop-renderer/src/createReactNoop.js

@@ -984,19 +984,15 @@ function createReactNoop(reconciler: Function, useMutation: boolean) {
 
       function logUpdateQueue(updateQueue: UpdateQueue<mixed>, depth) {
         log('  '.repeat(depth + 1) + 'QUEUED UPDATES');
-        const last = updateQueue.baseQueue;
-        if (last === null) {
-          return;
-        }
-        const first = last.next;
+        const first = updateQueue.firstBaseUpdate;
         let update = first;
         if (update !== null) {
           do {
             log(
               '  '.repeat(depth + 1) + '~',
               '[' + update.expirationTime + ']',
             );
-          } while (update !== null && update !== first);
+          } while (update !== null);
         }
 
         const lastPending = updateQueue.shared.pending;

packages/react-reconciler/src/ReactFiberHooks.js

@@ -683,6 +683,16 @@ function updateReducer<S, I, A>(
       baseQueue.next = pendingFirst;
       pendingQueue.next = baseFirst;
     }
+    if (__DEV__) {
+      if (current.baseQueue !== baseQueue) {
+        // Internal invariant that should never happen, but feasibly could in
+        // the future if we implement resuming, or some form of that.
+        console.error(
+          'Internal error: Expected work-in-progress queue to be a clone. ' +
+            'This is a bug in React.',
+        );
+      }
+    }
     current.baseQueue = baseQueue = pendingQueue;
     queue.pending = null;
   }