[Webkit-unassigned] [Bug 151324] REGRESSION(r192436): Inspector Hanging under tryParseDestructuringPatternExpression

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=151324

--- Comment #1 from Joseph Pecoraro <joepeck at webkit.org> ---
Created attachment 265629
  --> https://bugs.webkit.org/attachment.cgi?id=265629&action=review
[TEST] Test Case

Attached a test case. This test used to take 8ms to load on my machine, it now takes 13seconds.

The test case just does:

    <script>
    Does.not.exist({...huge object literal...})
    </script>

So it is valid syntax, but immediate runtime error. Tons of time is spent parsing the literal.

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