1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/promise/settle-now-breaks-all-invariants-1.js b/js/src/jit-test/tests/promise/settle-now-breaks-all-invariants-1.js
new file mode 100644
index 0000000000..940adf660d
--- /dev/null
+++ b/js/src/jit-test/tests/promise/settle-now-breaks-all-invariants-1.js
@@ -0,0 +1,21 @@
+// Test we don't assert when the promise is settled after enqueuing a PromiseReactionJob.
+
+function newPromiseCapability() {
+    var resolve, reject, promise = new Promise(function(r1, r2) {
+        resolve = r1;
+        reject = r2;
+    });
+    return {promise, resolve, reject};
+}
+
+
+var {promise, resolve} = newPromiseCapability();
+
+var p = Promise.resolve(0);
+
+// Enqueue a PromiseResolveThenableJob followed by a PromiseReactionJob.
+resolve(p);
+
+// The PromiseReactionJob expects a pending promise, but this settlePromiseNow
+// call will already have settled the promise.
+settlePromiseNow(promise);