On Tue, Sep 17, 2013 at 06:26:52PM +0200, Marek Polacek wrote:
> Well I wonder too ;)  I thought it can't be NULL, and tried this
> 
> struct C {
>   C() { __builtin_unreachable (); }
> };

I was more wondering about stuff like:
int a = (__builtin_unreachable (), 1);
or similar.

        Jakub

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