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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>245887</bug_id>
          
          <creation_ts>2022-09-30 08:55:06 -0700</creation_ts>
          <short_desc>REGRESSION (255003@main): ASSERTION FAILED: currentDescriptor.attributes() == emptyAttributesDescriptor.attributes()</short_desc>
          <delta_ts>2022-09-30 10:47:28 -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>DUPLICATE</resolution>
          <dup_id>245819</dup_id>
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=245819</see_also>
          <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="Karl Rackler">rackler</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>webkit-bot-watchers-bugzilla</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>ysuzuki</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1902371</commentid>
    <comment_count>0</comment_count>
    <who name="Karl Rackler">rackler</who>
    <bug_when>2022-09-30 08:55:06 -0700</bug_when>
    <thetext>Description:
** The following JSC stress test failures have been introduced:
	stress/stale-check-for-define-own-property-with-index.js.bytecode-cache
	stress/stale-check-for-define-own-property-with-index.js.default
	stress/stale-check-for-define-own-property-with-index.js.dfg-eager
	stress/stale-check-for-define-own-property-with-index.js.dfg-eager-no-cjit-validate
	stress/stale-check-for-define-own-property-with-index.js.eager-jettison-no-cjit
	stress/stale-check-for-define-own-property-with-index.js.ftl-eager
	stress/stale-check-for-define-own-property-with-index.js.ftl-eager-no-cjit-b3o1
	stress/stale-check-for-define-own-property-with-index.js.ftl-no-cjit-b3o0
	stress/stale-check-for-define-own-property-with-index.js.ftl-no-cjit-no-inline-validate
	stress/stale-check-for-define-own-property-with-index.js.ftl-no-cjit-no-put-stack-validate
	stress/stale-check-for-define-own-property-with-index.js.ftl-no-cjit-small-pool
	stress/stale-check-for-define-own-property-with-index.js.ftl-no-cjit-validate-sampling-profiler
	stress/stale-check-for-define-own-property-with-index.js.mini-mode
	stress/stale-check-for-define-own-property-with-index.js.no-cjit-validate-phases
	stress/stale-check-for-define-own-property-with-index.js.no-ftl
	stress/stale-check-for-define-own-property-with-index.js.no-llint

Build:
https://build.webkit.org/#/builders/378/builds/1751/steps/12/logs/stdio

History:
https://build.webkit.org/#/builders/Apple-Monterey-AppleSilicon-Debug-JSC-Tests?numbuilds=50

ASSERTION FAILED: currentDescriptor.attributes() == emptyAttributesDescriptor.attributes()
runtime/JSObject.cpp(2767) : bool JSC::JSObject::defineOwnIndexedProperty(JSC::JSGlobalObject *, unsigned int, const JSC::PropertyDescriptor &amp;, bool)
1   0x16b8a1a90 (null)
2   0x1195734bd (null)
3   0x11170071e8 (null)
4   0x16b8a1a90 (null)
5   0x16b8a1a48 (null)
6   0x16b8a1a60 (null)
7   0x117007384 WTFPrintBacktrace
8   0x16b8a1a48 (null)
9   0x119f09738 vtable for CrashLogPrintStream
10  0x116b8a1a7c (null)
11  0x16b8a1a90 (null)
12  0x16b8a1ba0 (null)
13  0x11700731c WTFReportBacktrace
14  0x16b8a1a80 (null)
15  0x136b8a1e30 (null)
16  0x1170e576c WTFGetBacktrace
17  0x117007308 WTFReportBacktrace
test_script_31640: line 2:  5426 Segmentation fault: 11  ( &quot;$@&quot; ../../.vm/JavaScriptCore.framework/Helpers/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --validateExceptionChecks\=true --useDollarVM\=true --maxPerThreadStackUsage\=1572864 --useArrayAllocationProfiling\=false --forcePolyProto\=true --useRandomizingExecutableIslandAllocation\=true --useFTLJIT\=true --useConcurrentJIT\=false --thresholdForJITAfterWarmUp\=100 --scribbleFreeCells\=true --maxDFGNodesInBasicBlockForPreciseAnalysis\=100 --defaultB3OptLevel\=0 --forceOSRExitToLLInt\=true stale-check-for-define-own-property-with-index.js )</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1902372</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2022-09-30 08:55:28 -0700</bug_when>
    <thetext>&lt;rdar://problem/100624366&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1902394</commentid>
    <comment_count>2</comment_count>
    <who name="Karl Rackler">rackler</who>
    <bug_when>2022-09-30 10:47:28 -0700</bug_when>
    <thetext>

*** This bug has been marked as a duplicate of bug 245819 ***</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>