[Webkit-unassigned] [Bug 229594] New: [ Win EWS] js/dfg-int16array.html is a flaky crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=229594

            Bug ID: 229594
           Summary: [ Win EWS] js/dfg-int16array.html is a flaky crash
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Jenner at apple.com

js/dfg-int16array.html is a flaky crash on Windows EWS, and it looks like it has crashed once on OpenSource. 

HISTORY:
https://results.webkit.org/?suite=layout-tests&test=js%2Fdfg-int16array.html

BUILD:
https://build.webkit.org/#/builders/50/builds/2089

Unfortunately it doesn't look like any useful data about the OpenSource crash was collected. There is a crashlog from the flaky crashes occurring on EWS. 

EWS BUILD:
https://ews-build.webkit.org/#/builders/10/builds/102590

CRASH URL:
https://ews-build.s3-us-west-2.amazonaws.com/Windows-EWS/r436576-102590/js/dfg-int16array-crash-log.txt

CRASH TEXT:
05 (Inline Function) --------`-------- WebKit!WTF::Vector<WebCore::LayoutIntegration::Run,0,WTF::CrashOnOverflow,16,WTF::FastMalloc>::shrinkCapacity+0x2b [C:\cygwin\home\buildbot\worker\Windows-EWS\build\WebKitBuild\Release\DerivedSources\ForwardingHeaders\wtf\Vector.h @ 1251]
06 (Inline Function) --------`-------- WebKit!WTF::Vector<WebCore::LayoutIntegration::Run,0,WTF::CrashOnOverflow,16,WTF::FastMalloc>::shrinkToFit+0x2f [C:\cygwin\home\buildbot\worker\Windows-EWS\build\WebKitBuild\Release\DerivedSources\ForwardingHeaders\wtf\Vector.h @ 769]

Full crash log has been attached to this bug.

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