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<!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>233299</bug_id>
          
          <creation_ts>2021-11-17 17:59:34 -0800</creation_ts>
          <short_desc>[JSC] TypedArray GetArrayLength should not use Reuse</short_desc>
          <delta_ts>2021-11-24 14:36:56 -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>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="Yusuke Suzuki">ysuzuki</reporter>
          <assigned_to name="Yusuke Suzuki">ysuzuki</assigned_to>
          <cc>ews-watchlist</cc>
    
    <cc>keith_miller</cc>
    
    <cc>mark.lam</cc>
    
    <cc>mcatanzaro</cc>
    
    <cc>msaboff</cc>
    
    <cc>rmorisset</cc>
    
    <cc>saam</cc>
    
    <cc>tzagallo</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1816247</commentid>
    <comment_count>0</comment_count>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2021-11-17 17:59:34 -0800</bug_when>
    <thetext>[JSC] TypedArray GetArrayLength should not use Reuse</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1816249</commentid>
    <comment_count>1</comment_count>
      <attachid>444621</attachid>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2021-11-17 18:02:21 -0800</bug_when>
    <thetext>Created attachment 444621
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1816250</commentid>
    <comment_count>2</comment_count>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2021-11-17 18:03:25 -0800</bug_when>
    <thetext>rdar://85502079</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1816251</commentid>
    <comment_count>3</comment_count>
      <attachid>444621</attachid>
    <who name="Robin Morisset">rmorisset</who>
    <bug_when>2021-11-17 18:04:11 -0800</bug_when>
    <thetext>Comment on attachment 444621
Patch

r=me</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1816301</commentid>
    <comment_count>4</comment_count>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2021-11-17 21:01:57 -0800</bug_when>
    <thetext>Committed r285978 (244375@main): &lt;https://commits.webkit.org/244375@main&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1816826</commentid>
    <comment_count>5</comment_count>
    <who name="Michael Catanzaro">mcatanzaro</who>
    <bug_when>2021-11-19 06:00:07 -0800</bug_when>
    <thetext>This new test is failing on cloop on every architecture. Example failure:

Running stress/get-array-length-reuse.js.default
stress/get-array-length-reuse.js.default: Crashing because current footprint: 632360960 exceeds limit: 629145600
stress/get-array-length-reuse.js.default: test_script_9640: line 2: 3125653 Aborted                 (core dumped) ( &quot;$@&quot; /var/lib/jenkins/workspace/WebKit-JSC/label/x86_64/WebKitBuild/Release/bin/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --validateExceptionChecks\=true --useDollarVM\=true --maxPerThreadStackUsage\=1572864 --useFTLJIT\=true get-array-length-reuse.js )
stress/get-array-length-reuse.js.default: ERROR: Unexpected exit code: 134
FAIL: stress/get-array-length-reuse.js.default

Seems it runs successfully, then crashes at the very end because the artificial memory limit was exceeded?

The tests are failing on the JSC EWS with a different error:

Exception: RangeError: length too large</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1817278</commentid>
    <comment_count>6</comment_count>
    <who name="Michael Catanzaro">mcatanzaro</who>
    <bug_when>2021-11-22 06:11:13 -0800</bug_when>
    <thetext>Reopening because the test is broken in two different ways. Yusuke, any ideas?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1817456</commentid>
    <comment_count>7</comment_count>
    <who name="Michael Catanzaro">mcatanzaro</who>
    <bug_when>2021-11-23 06:33:45 -0800</bug_when>
    <thetext>I&apos;m going to start by skipping the entire test:

//@ skip

temporarily, until Yusuke gets a chance to look at this.

I considered:

//@ skip if $memoryLimited

but I&apos;m not sure that the EWS failure is actually related to memory, or that the EWS is a memory-limited environment.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1817476</commentid>
    <comment_count>8</comment_count>
      <attachid>445035</attachid>
    <who name="Michael Catanzaro">mcatanzaro</who>
    <bug_when>2021-11-23 08:07:45 -0800</bug_when>
    <thetext>Created attachment 445035
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1817553</commentid>
    <comment_count>9</comment_count>
      <attachid>445035</attachid>
    <who name="Yusuke Suzuki">ysuzuki</who>
    <bug_when>2021-11-23 20:15:34 -0800</bug_when>
    <thetext>Comment on attachment 445035
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=445035&amp;action=review

&gt; JSTests/stress/get-array-length-reuse.js:2
&gt; +//@ skip
&gt; +// FIXME: Unskip: https://bugs.webkit.org/show_bug.cgi?id=233299#c5

We should make it `//@ skip if $memoryLimited`.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1817628</commentid>
    <comment_count>10</comment_count>
      <attachid>445094</attachid>
    <who name="Michael Catanzaro">mcatanzaro</who>
    <bug_when>2021-11-24 05:59:37 -0800</bug_when>
    <thetext>Created attachment 445094
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1817706</commentid>
    <comment_count>11</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2021-11-24 14:36:54 -0800</bug_when>
    <thetext>Committed r286153 (244537@main): &lt;https://commits.webkit.org/244537@main&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 445094.</thetext>
  </long_desc>
      
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