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    <body><span class="vcard"><a class="email" href="mailto:sbarati&#64;apple.com" title="Saam Barati &lt;sbarati&#64;apple.com&gt;"> <span class="fn">Saam Barati</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [ES6] Arrow function syntax. Arrow function specific features. Lexical bind &quot;arguments&quot;"
   href="https://bugs.webkit.org/show_bug.cgi?id=145132">bug 145132</a>
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          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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         <tr>
           <td style="text-align:right;">Attachment #269298 Flags</td>
           <td>review?
           </td>
           <td>review+
           </td>
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        <div>
            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [ES6] Arrow function syntax. Arrow function specific features. Lexical bind &quot;arguments&quot;"
   href="https://bugs.webkit.org/show_bug.cgi?id=145132#c56">Comment # 56</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [ES6] Arrow function syntax. Arrow function specific features. Lexical bind &quot;arguments&quot;"
   href="https://bugs.webkit.org/show_bug.cgi?id=145132">bug 145132</a>
              from <span class="vcard"><a class="email" href="mailto:sbarati&#64;apple.com" title="Saam Barati &lt;sbarati&#64;apple.com&gt;"> <span class="fn">Saam Barati</span></a>
</span></b>
        <pre>Comment on <span class=""><a href="attachment.cgi?id=269298&amp;action=diff" name="attach_269298" title="Patch">attachment 269298</a> <a href="attachment.cgi?id=269298&amp;action=edit" title="Patch">[details]</a></span>
Patch

View in context: <a href="https://bugs.webkit.org/attachment.cgi?id=269298&amp;action=review">https://bugs.webkit.org/attachment.cgi?id=269298&amp;action=review</a>

r=me with one suggestion and a few comments:
Can you add a test to make sure it works with generators:
function* foo(a, b, c) {
    yield () =&gt; arguments;
}
foo(10, 20).value[0] === 10
foo(10, 20).value[1] === 20

<span class="quote">&gt; Source/JavaScriptCore/tests/stress/arrowfunction-lexical-bind-arguments-strict.js:32
&gt; +    // <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [ES6] Arrow function. Arrow function should raise exception ReferenceError only when access to 'arguments' in strict mode"
   href="show_bug.cgi?id=152570">https://bugs.webkit.org/show_bug.cgi?id=152570</a></span >

why does it lead to a reference error?

<span class="quote">&gt; Source/WebInspectorUI/UserInterface/Base/Object.js:63
&gt; -        let wrappedCallback = () =&gt; {
&gt; -            this.removeEventListener(eventType, wrappedCallback, null);
&gt; +        let that = this;
&gt; +        let wrappedCallback = function () {
&gt; +            that.removeEventListener(eventType, wrappedCallback, null);</span >

why is this necessary?</pre>
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