[Webkit-unassigned] [Bug 157970] New: Early error on ANY operator before new.target

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=157970

            Bug ID: 157970
           Summary: Early error on ANY operator before new.target
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Macintosh
                OS: OS X 10.11
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: shvaikalesh at gmail.com

Consider the following code:

```js
function F()
{
    if (!new.target) return new F
}
```

WebKit Nightly throws `SyntaxError: new.target can't come after a prefix operator.`
because of negation (no `++`/`--` there). However, that is valid code.
Both Chrome Canary and Firefox parse it OK.

This might be a regression caused by https://bugs.webkit.org/show_bug.cgi?id=151148

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