<?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>84249</bug_id>
          
          <creation_ts>2012-04-18 09:37:55 -0700</creation_ts>
          <short_desc>Remove m_subclassData from JSArray, move the attribute to subclass as needed</short_desc>
          <delta_ts>2012-04-18 11:37:12 -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>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="Benjamin Poulain">benjamin</reporter>
          <assigned_to name="Benjamin Poulain">benjamin</assigned_to>
          <cc>ggaren</cc>
    
    <cc>mhahnenberg</cc>
    
    <cc>oliver</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>604825</commentid>
    <comment_count>0</comment_count>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2012-04-18 09:37:55 -0700</bug_when>
    <thetext>Allocating useless 64bits per JSArray is unfortunately not free.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>604834</commentid>
    <comment_count>1</comment_count>
      <attachid>137713</attachid>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2012-04-18 09:47:18 -0700</bug_when>
    <thetext>Created attachment 137713
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>604859</commentid>
    <comment_count>2</comment_count>
      <attachid>137713</attachid>
    <who name="Geoffrey Garen">ggaren</who>
    <bug_when>2012-04-18 10:27:04 -0700</bug_when>
    <thetext>Comment on attachment 137713
Patch

r=me</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>604940</commentid>
    <comment_count>3</comment_count>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2012-04-18 11:37:12 -0700</bug_when>
    <thetext>Committed r114539: &lt;http://trac.webkit.org/changeset/114539&gt;</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>137713</attachid>
            <date>2012-04-18 09:47:18 -0700</date>
            <delta_ts>2012-04-18 10:27:04 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-84249-20120418094717.patch</filename>
            <type>text/plain</type>
            <size>6486</size>
            <attacher name="Benjamin Poulain">benjamin</attacher>
            
              <data encoding="base64">U3VidmVyc2lvbiBSZXZpc2lvbjogMTE0NTA0CmRpZmYgLS1naXQgYS9Tb3VyY2UvSmF2YVNjcmlw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</data>
<flag name="review"
          id="142862"
          type_id="1"
          status="+"
          setter="ggaren"
    />
          </attachment>
      

    </bug>

</bugzilla>