<?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>204122</bug_id>
          
          <creation_ts>2019-11-12 12:02:12 -0800</creation_ts>
          <short_desc>Use toLength() and getIndexQuickly() in JSON.stringify</short_desc>
          <delta_ts>2019-11-14 14:01:25 -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>WebKit Nightly Build</version>
          <rep_platform>All</rep_platform>
          <op_sys>All</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=203227</see_also>
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Enhancement</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Alexey Shvayka">ashvayka</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>commit-queue</cc>
    
    <cc>ews-watchlist</cc>
    
    <cc>keith_miller</cc>
    
    <cc>mark.lam</cc>
    
    <cc>msaboff</cc>
    
    <cc>saam</cc>
    
    <cc>tzagallo</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>ysuzuki</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1589591</commentid>
    <comment_count>0</comment_count>
    <who name="Alexey Shvayka">ashvayka</who>
    <bug_when>2019-11-12 12:02:12 -0800</bug_when>
    <thetext>Use toLength() and getIndexQuickly() in JSON.stringify</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1589595</commentid>
    <comment_count>1</comment_count>
      <attachid>383370</attachid>
    <who name="Alexey Shvayka">ashvayka</who>
    <bug_when>2019-11-12 12:23:56 -0800</bug_when>
    <thetext>Created attachment 383370
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1589599</commentid>
    <comment_count>2</comment_count>
    <who name="Alexey Shvayka">ashvayka</who>
    <bug_when>2019-11-12 12:51:11 -0800</bug_when>
    <thetext>Style EWS fails because of

  RETURN_IF_EXCEPTION(scope, ); // &lt;= that space,

which is a common pattern.

Cold runs, only results with low measurement error, --outer 8:

                                      rev. 252354             patch

json-stringify-array-replacer      350.7169+-0.9911      263.3854+-2.2296
json-stringify-empty-array         188.0573+-1.2934      189.5053+-1.4060</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1590315</commentid>
    <comment_count>3</comment_count>
      <attachid>383370</attachid>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2019-11-14 13:15:39 -0800</bug_when>
    <thetext>Comment on attachment 383370
Patch

Nice, r=me</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1590323</commentid>
    <comment_count>4</comment_count>
      <attachid>383370</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-11-14 14:00:06 -0800</bug_when>
    <thetext>Comment on attachment 383370
Patch

Clearing flags on attachment: 383370

Committed r252464: &lt;https://trac.webkit.org/changeset/252464&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1590324</commentid>
    <comment_count>5</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-11-14 14:00:08 -0800</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1590327</commentid>
    <comment_count>6</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2019-11-14 14:01:25 -0800</bug_when>
    <thetext>&lt;rdar://problem/57203266&gt;</thetext>
  </long_desc>
      
          <attachment
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          >
            <attachid>383370</attachid>
            <date>2019-11-12 12:23:56 -0800</date>
            <delta_ts>2019-11-14 14:00:06 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-204122-20191112222355.patch</filename>
            <type>text/plain</type>
            <size>5255</size>
            <attacher name="Alexey Shvayka">ashvayka</attacher>
            
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