[Bug c++/52654] [C++11] Warn on overflow in user-defined literals

[marc.glisse at normalesup dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52654

--- Comment #7 from Marc Glisse <marc.glisse at normalesup dot org> 2012-03-31 17:18:37 UTC ---
(In reply to comment #6)
> Also, what about this:
> 
>  -3_w;

What about it? IIUC, it is just -(3_w), I don't think it requires a particular
treatment.