[Webkit-unassigned] [Bug 225094] New: crash in Source/JavaScriptCore/runtime/Identifier.h

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=225094

            Bug ID: 225094
           Summary: crash in Source/JavaScriptCore/runtime/Identifier.h
           Product: WebKit
           Version: WebKit Local Build
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: zhunkibatu at gmail.com

Created attachment 427128

  --> https://bugs.webkit.org/attachment.cgi?id=427128&action=review

the minimal poc

the following poc can crash latest jsc.

function main() {
    class a {
        g = [].toString()
        'a'()
        {
        }
    }

    function gen()
    {
        let it = a();
    }

    let g = gen();
}

main();

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