[Webkit-unassigned] [Bug 155060] Second call to super() should fail

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Mar 4 23:16:10 PST 2016


https://bugs.webkit.org/show_bug.cgi?id=155060

--- Comment #1 from GSkachkov <gskachkov at gmail.com> ---
We have very close issue to this https://bugs.webkit.org/show_bug.cgi?id=151113 that rely on discussion https://esdiscuss.org/topic/duplicate-super-call-behaviour
test example:
class Foo {
  constructor() {
    console.log("foo");
  }
}

class Bar extends Foo {
  constructor() {
    super();
    console.log("bar");
    super();
  }
}

new Bar;

If we will strictly follow specs we will have:
foo
bar 
foo
ReferenceError: This can not be initialized twice.

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