[Webkit-unassigned] [Bug 179230] New: Web Tooling Benchmark: coffeescript pathology

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=179230

            Bug ID: 179230
           Summary: Web Tooling Benchmark: coffeescript pathology
           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: jfbastien at apple.com
                CC: fpizlo at apple.com, jfbastien at apple.com,
                    keith_miller at apple.com, mark.lam at apple.com,
                    msaboff at apple.com, rmorisset at apple.com,
                    sbarati at apple.com

We seem pathologically slow on the coffeescript part of Web Tooling Benchmark:
  https://v8.github.io/web-tooling-benchmark/
Source:
  https://github.com/bmeurer/web-tooling-benchmark

I get 0.22 runs / sec on STP 42, versus 8.24 runs / sec on Chrome 61.

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