From aacb5bc5fdf7e94af54a118d4343985e270754c9 Mon Sep 17 00:00:00 2001
From: Michael Ficarra <mficarra@shapesecurity.com>
Date: Tue, 5 Jul 2022 17:15:05 -0700
Subject: [PATCH] fixes #172: avoid exposing spec fiction
 %AsyncFromSyncIteratorPrototype% (#182)

---
 spec.html | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/spec.html b/spec.html
index 157fca4..0daedcf 100644
--- a/spec.html
+++ b/spec.html
@@ -309,8 +309,9 @@ <h1>AsyncIterator.prototype</h1>
           <h1>AsyncIterator.from ( _O_ )</h1>
           <emu-alg>
             1. Let _usingIterator_ be ? GetMethod(_O_, @@asyncIterator).
+            1. Let _iteratorRecord_ be *undefined*.
             1. If _usingIterator_ is not *undefined*,
-              1. Let _iteratorRecord_ be ? GetIterator(_O_, ~async~, _usingIterator_).
+              1. Set _iteratorRecord_ to ? GetIterator(_O_, ~async~, _usingIterator_).
               1. Let _hasInstance_ be ? OrdinaryHasInstance(%AsyncIterator.prototype%, _iteratorRecord_.[[Iterator]]).
               1. If _hasInstance_ is *true*, then
                 1. Return _iteratorRecord_.[[Iterator]].
@@ -318,7 +319,7 @@ <h1>AsyncIterator.from ( _O_ )</h1>
               1. Set _usingIterator_ to ? GetMethod(_O_, @@iterator).
               1. If _usingIterator_ is not *undefined*,
                 1. Let _syncIteratorRecord_ be ? GetIterator(_O_, ~sync~, _usingIterator_).
-                1. Return ! CreateAsyncFromSyncIterator(_syncIteratorRecord_).
+                1. Set _iteratorRecord_ to ! CreateAsyncFromSyncIterator(_syncIteratorRecord_).
             1. If _iteratorRecord_ is *undefined*, set _iteratorRecord_ to ? GetIteratorDirect(_O_).
             1. Let _wrapper_ be ! ObjectCreate(%WrapForValidAsyncIteratorPrototype%, &laquo; [[AsyncIterated]] &raquo;).
             1. Set _wrapper_.[[AsyncIterated]] to _iteratorRecord_.