[Webkit-unassigned] [Bug 170917] New: Web Inspector: Scope chain sidebar has data that can't be displayed

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Apr 17 14:42:24 PDT 2017


https://bugs.webkit.org/show_bug.cgi?id=170917

            Bug ID: 170917
           Summary: Web Inspector: Scope chain sidebar has data that can't
                    be displayed
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sbarati at apple.com
                CC: inspector-bugzilla-changes at group.apple.com

Created attachment 307301

  --> https://bugs.webkit.org/attachment.cgi?id=307301&action=review

screenshot

See attached images. I'm running this program in STP 27

```
if (typeof console !== undefined)
    print = console.log.bind(console);

function foo(proto) {
    class A extends proto { };
    print(A.__proto__ === proto);
    return A.__proto__;
}
foo(function(){});
function f(){ return 20; }
f.prototype.hello = "world";
let p = new Proxy(f, {});
let x = foo(p);
print(x  === f);
```

And breaking on the `let p = ...` line.

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