>> How do you think about to make it possible to check attributes for 
>> expressions
>> in SmPL constraints?
> 
> I tried to do this at one point, but it introduced a lot of parsing
> problems, because attributes can appear in a variety of places.

Which kind of syntax had you got in mind for such a functionality?

Is there a need to distinguish property checks from support for extensions from
a popular compiler implementation?
http://gcc.gnu.org/onlinedocs/gcc-4.8.2/gcc/Type-Attributes.html


> The benefit didn't seem to be worth the risk.

Can we clarify your concerns a bit more here?

Regards,
Markus
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