Editorial: inline index alias in PerformPromiseAll AC

Author: michaelficarra

spec.html

@@ -49292,8 +49292,7 @@ <h1>
                 1. Let _F_ be the active function object.
                 1. If _F_.[[AlreadyCalled]] is *true*, return *undefined*.
                 1. Set _F_.[[AlreadyCalled]] to *true*.
-                1. Let _index_ be _F_.[[Index]].
-                1. Set _values_[_index_] to _value_.
+                1. Set _values_[_F_.[[Index]]] to _value_.
                 1. Set _remainingElementsCount_.[[Value]] to _remainingElementsCount_.[[Value]] - 1.
                 1. If _remainingElementsCount_.[[Value]] = 0, then
                   1. Let _valuesArray_ be CreateArrayFromList(_values_).