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<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>129915</bug_id>
          
          <creation_ts>2014-03-07 14:24:55 -0800</creation_ts>
          <short_desc>Continue hangs when performing for-of over arguments</short_desc>
          <delta_ts>2014-03-07 17:12:21 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>New Bugs</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Oliver Hunt">oliver</reporter>
          <assigned_to name="Oliver Hunt">oliver</assigned_to>
          
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>988346</commentid>
    <comment_count>0</comment_count>
    <who name="Oliver Hunt">oliver</who>
    <bug_when>2014-03-07 14:24:55 -0800</bug_when>
    <thetext>Continue hangs when performing for-of over arguments</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>988350</commentid>
    <comment_count>1</comment_count>
    <who name="Oliver Hunt">oliver</who>
    <bug_when>2014-03-07 14:29:55 -0800</bug_when>
    <thetext>*** Bug 129917 has been marked as a duplicate of this bug. ***</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>988353</commentid>
    <comment_count>2</comment_count>
    <who name="Oliver Hunt">oliver</who>
    <bug_when>2014-03-07 14:30:08 -0800</bug_when>
    <thetext>*** Bug 129916 has been marked as a duplicate of this bug. ***</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>988415</commentid>
    <comment_count>3</comment_count>
      <attachid>226183</attachid>
    <who name="Oliver Hunt">oliver</who>
    <bug_when>2014-03-07 16:18:06 -0800</bug_when>
    <thetext>Created attachment 226183
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>988420</commentid>
    <comment_count>4</comment_count>
      <attachid>226183</attachid>
    <who name="Geoffrey Garen">ggaren</who>
    <bug_when>2014-03-07 16:35:33 -0800</bug_when>
    <thetext>Comment on attachment 226183
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=226183&amp;action=review

r=me

&gt; Source/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp:2451
&gt; +        emitJump(loopCondition.get());

Our other looping nodes prefer to emit op_less twice -- once at the head of the loop, and once at the tail. That makes the CFG more amenable to optimization.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>988445</commentid>
    <comment_count>5</comment_count>
    <who name="Oliver Hunt">oliver</who>
    <bug_when>2014-03-07 17:12:21 -0800</bug_when>
    <thetext>Committed r165306: &lt;http://trac.webkit.org/changeset/165306&gt;</thetext>
  </long_desc>
      
          <attachment
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            <attachid>226183</attachid>
            <date>2014-03-07 16:18:06 -0800</date>
            <delta_ts>2014-03-07 16:35:33 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-129915-20140307161814.patch</filename>
            <type>text/plain</type>
            <size>4836</size>
            <attacher name="Oliver Hunt">oliver</attacher>
            
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    </bug>

</bugzilla>