[patch][pr17535] Reject alias attributes that point to undefined names.

Rafael EspĂ­ndola rafael.espindola at gmail.com
Mon Oct 21 11:28:49 PDT 2013

> Great, I think diagnosing at CodeGen is the better choice here.
> Rafael, in the new patch could you swap around one of the tests to prove
> that checking isn't dependent on parse order?
> -void alias1() {}
>  void alias2 [[gnu::alias("_Z6alias1v")]] ();
> +void alias1() {}

Since that was already passing, I just added to the test in r193099.


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