Status: Accepted
Owner: [email protected]
CC: [email protected], [email protected], [email protected], [email protected]
Labels: Type-Bug Priority-Medium

New issue 3456 by [email protected]: Prefix operation parsing broken
http://code.google.com/p/v8/issues/detail?id=3456

https://code.google.com/p/v8/source/detail?r=22366 broke previously valid JavaScript:

----------------------------------------------------------------------
undefined:1781: ReferenceError: Invalid left-hand side expression in prefix operation
        var b = ++(this.historyRequestID);
                  ^
ReferenceError: Invalid left-hand side expression in prefix operation
    at eval (native)
    at JSBNG_Replay$ (JSBenchFacebook.js:29237:1)
    at onload (JSBenchFacebook.js:112:18)
    at finalize (JSBenchFacebook.js:148:13)
    at JSBenchFacebook.js:29944:1
    at JSBenchFacebook.js:29944:15
----------------------------------------------------------------------

This used to run, so this is a regression, and we'll have to revert the CL in question if it can't be fixed. Compressed example attached.

@Andreas: Could you make sure that this gets fixed while Marja is OOO?


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