[Webkit-unassigned] [Bug 148098] We need a better error message for the use let/const/class in a Statement and not a StatementListItem

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=148098

Daniel Ehrenberg <littledan at chromium.org> changed:

           What    |Removed                     |Added
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                 CC|                            |littledan at chromium.org

--- Comment #1 from Daniel Ehrenberg <littledan at chromium.org> ---
Whenever you're editing this code, there's a case in this area that I believe should be allowed, but seems to throw a syntax error:

```
if (true) let: x()
```

or

```
with ({}) let: y()
```

When I run that in JSC, I get

SyntaxError: Unexpected token ':'. Parse error.

whereas in V8, ChakraCore and SpiderMonkey, let is permitted as a label.

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