[Webkit-unassigned] [Bug 77340] Unexpected syntax error

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=77340


Gavin Barraclough <barraclough at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1




--- Comment #2 from Gavin Barraclough <barraclough at apple.com>  2012-01-30 13:05:13 PST ---
Huh, interesting.  I can repro the issue, looks like a bug.

I think the spec defined parsing here may be odd (looks like this should evaluate as:
    new (x('x'+y).c) = ''
and not:
    (new x('x'+y)).c = ''

Very strange that removing the +y influences behavior.  We have some caching of the parsing of very small functions, possible that this works correctly in the initial parse of the outer program, and fails on the reparse of the function body (and in the case without +y maybe the caching means we get to skip the reparse).

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