<?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>129085</bug_id>
          
          <creation_ts>2014-02-19 23:44:34 -0800</creation_ts>
          <short_desc>FTL should not emit stack overflow checks in leaf functions</short_desc>
          <delta_ts>2014-02-20 12:32:08 -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>
          
          <blocked>112840</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Filip Pizlo">fpizlo</reporter>
          <assigned_to name="Filip Pizlo">fpizlo</assigned_to>
          <cc>atrick</cc>
    
    <cc>barraclough</cc>
    
    <cc>ggaren</cc>
    
    <cc>mark.lam</cc>
    
    <cc>mhahnenberg</cc>
    
    <cc>mmirman</cc>
    
    <cc>msaboff</cc>
    
    <cc>nrotem</cc>
    
    <cc>oliver</cc>
    
    <cc>sam</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>982705</commentid>
    <comment_count>0</comment_count>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2014-02-19 23:44:34 -0800</bug_when>
    <thetext>Patch forthcoming.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>982706</commentid>
    <comment_count>1</comment_count>
      <attachid>224721</attachid>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2014-02-19 23:45:59 -0800</bug_when>
    <thetext>Created attachment 224721
the patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>982836</commentid>
    <comment_count>2</comment_count>
      <attachid>224721</attachid>
    <who name="Michael Saboff">msaboff</who>
    <bug_when>2014-02-20 08:39:55 -0800</bug_when>
    <thetext>Comment on attachment 224721
the patch

r=me</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>982938</commentid>
    <comment_count>3</comment_count>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2014-02-20 12:32:08 -0800</bug_when>
    <thetext>Landed in http://trac.webkit.org/changeset/164442</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>224721</attachid>
            <date>2014-02-19 23:45:59 -0800</date>
            <delta_ts>2014-02-20 08:39:55 -0800</delta_ts>
            <desc>the patch</desc>
            <filename>blah.patch</filename>
            <type>text/plain</type>
            <size>3323</size>
            <attacher name="Filip Pizlo">fpizlo</attacher>
            
              <data encoding="base64">SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09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</data>
<flag name="review"
          id="248828"
          type_id="1"
          status="+"
          setter="msaboff"
    />
          </attachment>
      

    </bug>

</bugzilla>