<?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>161156</bug_id>
          
          <creation_ts>2016-08-24 12:50:07 -0700</creation_ts>
          <short_desc>REGRESSION: js/dom/prototype-chain-caching-with-impure-get-own-property-slot-traps-5.html has a flaky failure</short_desc>
          <delta_ts>2017-06-12 15:14:23 -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>New Bugs</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="Ryan Haddad">ryanhaddad</reporter>
          <assigned_to name="Filip Pizlo">fpizlo</assigned_to>
          <cc>ap</cc>
    
    <cc>benjamin</cc>
    
    <cc>csaavedra</cc>
    
    <cc>fpizlo</cc>
    
    <cc>ggaren</cc>
    
    <cc>jfbastien</cc>
    
    <cc>keith_miller</cc>
    
    <cc>mark.lam</cc>
    
    <cc>msaboff</cc>
    
    <cc>rniwa</cc>
    
    <cc>saam</cc>
    
    <cc>sam</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>ysuzuki</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1222787</commentid>
    <comment_count>0</comment_count>
    <who name="Ryan Haddad">ryanhaddad</who>
    <bug_when>2016-08-24 12:50:07 -0700</bug_when>
    <thetext>LayoutTest js/dom/prototype-chain-caching-with-impure-get-own-property-slot-traps-5.html is a flaky failure

https://build.webkit.org/builders/Apple%20Yosemite%20Release%20WK2%20(Tests)/builds/17320

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=js%2Fdom%2Fprototype-chain-caching-with-impure-get-own-property-slot-traps-5.html

--- /Volumes/Data/slave/yosemite-release-tests-wk2/build/layout-test-results/js/dom/prototype-chain-caching-with-impure-get-own-property-slot-traps-5-expected.txt
+++ /Volumes/Data/slave/yosemite-release-tests-wk2/build/layout-test-results/js/dom/prototype-chain-caching-with-impure-get-own-property-slot-traps-5-actual.txt
@@ -48,8 +48,8 @@
 PASS typeof f() is &quot;function&quot;
 PASS typeof f() is &quot;function&quot;
 PASS typeof f() is &quot;function&quot;
-PASS typeof f() is &quot;object&quot;
-PASS typeof f() is &quot;object&quot;
+FAIL typeof f() should be object. Was function.
+FAIL typeof f() should be object. Was function.
 PASS typeof f() is &quot;object&quot;
 PASS typeof f() is &quot;object&quot;
 PASS typeof f() is &quot;object&quot;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1224665</commentid>
    <comment_count>1</comment_count>
    <who name="Ryan Haddad">ryanhaddad</who>
    <bug_when>2016-08-30 12:44:29 -0700</bug_when>
    <thetext>Marked test as flaky on mac in http://trac.webkit.org/projects/webkit/changeset/205196</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1224731</commentid>
    <comment_count>2</comment_count>
    <who name="Ryosuke Niwa">rniwa</who>
    <bug_when>2016-08-30 15:02:06 -0700</bug_when>
    <thetext>Oh this is a real regression. We&apos;re not clearing the inline cache in time sometimes!</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1225332</commentid>
    <comment_count>3</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2016-09-01 09:04:33 -0700</bug_when>
    <thetext>&lt;rdar://problem/28116283&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1317016</commentid>
    <comment_count>4</comment_count>
      <attachid>312334</attachid>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2017-06-08 12:43:17 -0700</bug_when>
    <thetext>Created attachment 312334
the patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1317022</commentid>
    <comment_count>5</comment_count>
    <who name="Filip Pizlo">fpizlo</who>
    <bug_when>2017-06-08 13:08:50 -0700</bug_when>
    <thetext>Landed in https://trac.webkit.org/changeset/217944/webkit</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1317349</commentid>
    <comment_count>6</comment_count>
    <who name="Claudio Saavedra">csaavedra</who>
    <bug_when>2017-06-09 04:27:15 -0700</bug_when>
    <thetext>The test is missing an expectation file. Is this intentional?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1317351</commentid>
    <comment_count>7</comment_count>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2017-06-09 04:29:49 -0700</bug_when>
    <thetext>(In reply to Claudio Saavedra from comment #6)
&gt; The test is missing an expectation file. Is this intentional?

I don&apos;t think so. We should add expectation file.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1317635</commentid>
    <comment_count>8</comment_count>
    <who name="Ryan Haddad">ryanhaddad</who>
    <bug_when>2017-06-09 14:40:30 -0700</bug_when>
    <thetext>(In reply to Yusuke Suzuki from comment #7)
&gt; (In reply to Claudio Saavedra from comment #6)
&gt; &gt; The test is missing an expectation file. Is this intentional?
&gt; 
&gt; I don&apos;t think so. We should add expectation file.

I went ahead and added one in https://trac.webkit.org/changeset/218013/webkit</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1317946</commentid>
    <comment_count>9</comment_count>
    <who name="Sam Weinig">sam</who>
    <bug_when>2017-06-10 19:04:02 -0700</bug_when>
    <thetext>platform/Mac/TestExpectations still has js/dom/prototype-chain-caching-with-impure-get-own-property-slot-traps-5.html listed as [ Pass Failure ], pointing to this bug. Can we remove it from the list now?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1318320</commentid>
    <comment_count>10</comment_count>
    <who name="Saam Barati">saam</who>
    <bug_when>2017-06-12 12:00:42 -0700</bug_when>
    <thetext>(In reply to Sam Weinig from comment #9)
&gt; platform/Mac/TestExpectations still has
&gt; js/dom/prototype-chain-caching-with-impure-get-own-property-slot-traps-5.
&gt; html listed as [ Pass Failure ], pointing to this bug. Can we remove it from
&gt; the list now?

I went ahead and did this:
https://trac.webkit.org/changeset/218122/webkit</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1318397</commentid>
    <comment_count>11</comment_count>
    <who name="Sam Weinig">sam</who>
    <bug_when>2017-06-12 15:14:23 -0700</bug_when>
    <thetext>(In reply to Saam Barati from comment #10)
&gt; (In reply to Sam Weinig from comment #9)
&gt; &gt; platform/Mac/TestExpectations still has
&gt; &gt; js/dom/prototype-chain-caching-with-impure-get-own-property-slot-traps-5.
&gt; &gt; html listed as [ Pass Failure ], pointing to this bug. Can we remove it from
&gt; &gt; the list now?
&gt; 
&gt; I went ahead and did this:
&gt; https://trac.webkit.org/changeset/218122/webkit

Cool cool.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>312334</attachid>
            <date>2017-06-08 12:43:17 -0700</date>
            <delta_ts>2017-06-08 12:45:07 -0700</delta_ts>
            <desc>the patch</desc>
            <filename>blah.patch</filename>
            <type>text/plain</type>
            <size>4031</size>
            <attacher name="Filip Pizlo">fpizlo</attacher>
            
              <data encoding="base64">SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09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</data>
<flag name="review"
          id="333270"
          type_id="1"
          status="+"
          setter="saam"
    />
          </attachment>
      

    </bug>

</bugzilla>