Issue #2089 - Optimize Promise.then and Promise.all/race with default resolving functions

Based-on: m-c 1401508,1412200,1473970/{1-4}

js/src/jit-test/tests/promise/settle-now-breaks-all-invariants-11.js

@@ -0,0 +1,18 @@
+// Don't assert when the promise in the resolving functions is wrapped in a CCW.
+
+function newPromiseCapability(newTarget) {
+    var resolve, reject, promise = Reflect.construct(Promise, [function(r1, r2) {
+        resolve = r1;
+        reject = r2;
+    }], newTarget);
+    return {promise, resolve, reject};
+}
+
+var g = newGlobal();
+
+var {promise, reject} = newPromiseCapability(g.Promise);
+
+g.settlePromiseNow(promise);
+
+// Don't assert when rejecting the promise.
+reject(0);