<?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>101885</bug_id>
          
          <creation_ts>2012-11-11 19:35:27 -0800</creation_ts>
          <short_desc>DFG should not emit function checks if we&apos;ve already proved that the operand is that exact function</short_desc>
          <delta_ts>2012-11-12 14:53:08 -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>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>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Filip Pizlo">fpizlo</reporter>
          <assigned_to name="Filip Pizlo">fpizlo</assigned_to>
          <cc>barraclough</cc>
    
    <cc>ggaren</cc>
    
    <cc>mark.lam</cc>
    
    <cc>mhahnenberg</cc>
    
    <cc>msaboff</cc>
    
    <cc>oliver</cc>
    
    <cc>sam</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>763984</commentid>
    <comment_count>0</comment_count>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2012-11-11 19:35:27 -0800</bug_when>
    <thetext>Patch forthcoming.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>763986</commentid>
    <comment_count>1</comment_count>
      <attachid>173541</attachid>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2012-11-11 19:38:29 -0800</bug_when>
    <thetext>Created attachment 173541
the patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>764854</commentid>
    <comment_count>2</comment_count>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2012-11-12 14:53:08 -0800</bug_when>
    <thetext>Landed in http://trac.webkit.org/changeset/134313</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>173541</attachid>
            <date>2012-11-11 19:38:29 -0800</date>
            <delta_ts>2012-11-12 14:14:34 -0800</delta_ts>
            <desc>the patch</desc>
            <filename>checkfunc.patch</filename>
            <type>text/plain</type>
            <size>3500</size>
            <attacher name="Filip Pizlo">fpizlo</attacher>
            
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<flag name="review"
          id="188260"
          type_id="1"
          status="+"
          setter="oliver"
    />
          </attachment>
      

    </bug>

</bugzilla>