[Webkit-unassigned] [Bug 147105] New: REGRESSION (beween r186927 and r186963): defining a strict arrow function will cause a crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=147105

            Bug ID: 147105
           Summary: REGRESSION (beween r186927 and r186963): defining a
                    strict arrow function will cause a crash
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Major
          Priority: P2
         Component: WebCore JavaScript
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: claude.pache at gmail.com

Created attachment 257086
  --> https://bugs.webkit.org/attachment.cgi?id=257086&action=review
testcase: defining strict arrow function (will crash on load)

Running the following JS code will produce a crash:

    () => { 'use strict' }

* r186927: no crash
* r186963 or later: crash

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