<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!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>70466</bug_id>
          
          <creation_ts>2011-10-19 19:47:03 -0700</creation_ts>
          <short_desc>DFG ConvertThis emits slow code when the source node is known to be, but not predicted to be, a final object</short_desc>
          <delta_ts>2011-10-19 23:38:43 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>JavaScriptCore</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>All</rep_platform>
          <op_sys>All</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>
          
          <blocked>69996</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Filip Pizlo">fpizlo</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>487243</commentid>
    <comment_count>0</comment_count>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2011-10-19 19:47:03 -0700</bug_when>
    <thetext>Patch forthcoming.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>487274</commentid>
    <comment_count>1</comment_count>
      <attachid>111718</attachid>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2011-10-19 20:42:57 -0700</bug_when>
    <thetext>Created attachment 111718
the patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>487278</commentid>
    <comment_count>2</comment_count>
      <attachid>111718</attachid>
    <who name="Oliver Hunt">oliver</who>
    <bug_when>2011-10-19 20:46:00 -0700</bug_when>
    <thetext>Comment on attachment 111718
the patch

View in context: https://bugs.webkit.org/attachment.cgi?id=111718&amp;action=review

r=me

&gt; Source/JavaScriptCore/dfg/DFGAbstractState.cpp:509
&gt; -            
&gt; +        

No reason to land this change</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>487359</commentid>
    <comment_count>3</comment_count>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2011-10-19 23:38:43 -0700</bug_when>
    <thetext>Landed in http://trac.webkit.org/changeset/97942</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>111718</attachid>
            <date>2011-10-19 20:42:57 -0700</date>
            <delta_ts>2011-10-19 20:46:00 -0700</delta_ts>
            <desc>the patch</desc>
            <filename>fixconvertthis_patch_1.diff</filename>
            <type>text/plain</type>
            <size>3057</size>
            <attacher name="Filip Pizlo">fpizlo</attacher>
            
              <data encoding="base64">SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09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</data>
<flag name="review"
          id="109620"
          type_id="1"
          status="+"
          setter="oliver"
    />
          </attachment>
      

    </bug>

</bugzilla>