[Webkit-unassigned] [Bug 160418] New: [ES2016] Implement 'class extends null'

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=160418

            Bug ID: 160418
           Summary: [ES2016] Implement 'class extends null'
    Classification: Unclassified
           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: gskachkov at gmail.com

class A extends null {};

class B extends null {
  constructor() {
    debug(this instanceof B && !(this instanceof Object));
  }
};

// should be true;

Following discussions cover this issue: https://github.com/tc39/ecma262/issues/543
Spec https://github.com/tc39/ecma262/blob/703238399d339ceb7f894f4733626f601d42d05e/workingdocs/ES6-super-construct%3Dproposal.md - Last sentance and 
And https://github.com/tc39/ecma262/issues/22

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