diff options
Diffstat (limited to 'js/src/builtin/Stream.cpp')
| -rw-r--r-- | js/src/builtin/Stream.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/js/src/builtin/Stream.cpp b/js/src/builtin/Stream.cpp index c8d8e3e324..26457709d8 100644 --- a/js/src/builtin/Stream.cpp +++ b/js/src/builtin/Stream.cpp @@ -2790,7 +2790,7 @@ ReadableStreamControllerCallPullIfNeeded(JSContext* cx, HandleNativeObject contr } else { pullPromise = PromiseInvokeOrNoop(cx, underlyingSource, cx->names().pull, controllerVal); } - if (!pullPromise) + if (!pullPromise || !pullPromise->is<PromiseObject>()) return false; RootedObject onPullFulfilled(cx, NewHandler(cx, ControllerPullHandler, controller)); |