<?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>225824</bug_id>
          
          <creation_ts>2021-05-14 14:34:25 -0700</creation_ts>
          <short_desc>DFGVarargsForwardingPhase shouldn&apos;t consult Flush</short_desc>
          <delta_ts>2021-05-16 00:31:17 -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>WebKit 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>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Saam Barati">saam</reporter>
          <assigned_to name="Saam Barati">saam</assigned_to>
          <cc>ews-watchlist</cc>
    
    <cc>fpizlo</cc>
    
    <cc>ggaren</cc>
    
    <cc>keith_miller</cc>
    
    <cc>mark.lam</cc>
    
    <cc>msaboff</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>1760211</commentid>
    <comment_count>0</comment_count>
    <who name="Saam Barati">saam</who>
    <bug_when>2021-05-14 14:34:25 -0700</bug_when>
    <thetext>...</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1760223</commentid>
    <comment_count>1</comment_count>
      <attachid>428664</attachid>
    <who name="Saam Barati">saam</who>
    <bug_when>2021-05-14 14:48:27 -0700</bug_when>
    <thetext>Created attachment 428664
patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1760225</commentid>
    <comment_count>2</comment_count>
      <attachid>428664</attachid>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2021-05-14 14:51:21 -0700</bug_when>
    <thetext>Comment on attachment 428664
patch

View in context: https://bugs.webkit.org/attachment.cgi?id=428664&amp;action=review

r=me too

&gt; Source/JavaScriptCore/ChangeLog:23
&gt; +        This is a 0.5% Speedometer progression.

Can we have some microbenchmarks that ensures this is working?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1760244</commentid>
    <comment_count>3</comment_count>
      <attachid>428670</attachid>
    <who name="Saam Barati">saam</who>
    <bug_when>2021-05-14 15:14:31 -0700</bug_when>
    <thetext>Created attachment 428670
patch for landing</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1760576</commentid>
    <comment_count>4</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2021-05-16 00:30:47 -0700</bug_when>
    <thetext>Committed r277565 (237793@main): &lt;https://commits.webkit.org/237793@main&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 428670.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1760577</commentid>
    <comment_count>5</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2021-05-16 00:31:17 -0700</bug_when>
    <thetext>&lt;rdar://problem/78071191&gt;</thetext>
  </long_desc>
      
          <attachment
              isobsolete="1"
              ispatch="1"
              isprivate="0"
          >
            <attachid>428664</attachid>
            <date>2021-05-14 14:48:27 -0700</date>
            <delta_ts>2021-05-14 15:14:31 -0700</delta_ts>
            <desc>patch</desc>
            <filename>b-backup.diff</filename>
            <type>text/plain</type>
            <size>2115</size>
            <attacher name="Saam Barati">saam</attacher>
            
              <data encoding="base64">SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09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</data>
<flag name="review"
          id="449646"
          type_id="1"
          status="+"
          setter="fpizlo"
    />
          </attachment>
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>428670</attachid>
            <date>2021-05-14 15:14:31 -0700</date>
            <delta_ts>2021-05-16 00:30:48 -0700</delta_ts>
            <desc>patch for landing</desc>
            <filename>b-backup.diff</filename>
            <type>text/plain</type>
            <size>3466</size>
            <attacher name="Saam Barati">saam</attacher>
            
              <data encoding="base64">SW5kZXg6IEpTVGVzdHMvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09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==
</data>

          </attachment>
      

    </bug>

</bugzilla>