1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/promise/settle-now-breaks-all-invariants-6.js b/js/src/jit-test/tests/promise/settle-now-breaks-all-invariants-6.js
new file mode 100644
index 0000000000..d694f849a6
--- /dev/null
+++ b/js/src/jit-test/tests/promise/settle-now-breaks-all-invariants-6.js
@@ -0,0 +1,20 @@
+// Don't assert when a side-effect when getting the "then" property settled the promise.
+
+function newPromiseCapability() {
+    var resolve, reject, promise = new Promise(function(r1, r2) {
+        resolve = r1;
+        reject = r2;
+    });
+    return {promise, resolve, reject};
+}
+
+
+var {promise, resolve} = newPromiseCapability();
+
+var thenable = {
+    get then() {
+        settlePromiseNow(promise);
+    }
+};
+
+resolve(thenable);