diff --git a/packages/react-reconciler/src/__tests__/ReactFiberEvents-test-internal.js b/packages/react-reconciler/src/__tests__/ReactFiberEvents-test-internal.js
index 5516f78373..fc89a2e4c9 100644
--- a/packages/react-reconciler/src/__tests__/ReactFiberEvents-test-internal.js
+++ b/packages/react-reconciler/src/__tests__/ReactFiberEvents-test-internal.js
@@ -788,6 +788,43 @@ describe('ReactFiberEvents', () => {
expect(componentStackMessage.includes('Test')).toBe(true);
expect(componentStackMessage.includes('Wrapper')).toBe(true);
});
+
+ it('should handle unwinding event component fibers in concurrent mode', () => {
+ let resolveThenable;
+
+ const thenable = {
+ then(resolve) {
+ resolveThenable = resolve;
+ },
+ };
+
+ function Async() {
+ Scheduler.yieldValue('Suspend!');
+ throw thenable;
+ }
+
+ function Text(props) {
+ Scheduler.yieldValue(props.text);
+ return props.text;
+ }
+
+ ReactTestRenderer.create(
+ }>
+
+
+
+ ,
+ {
+ unstable_isConcurrent: true,
+ },
+ );
+
+ expect(Scheduler).toFlushAndYieldThrough(['Suspend!']);
+ resolveThenable();
+ });
});
describe('ReactDOM', () => {