[cfe-commits] [PATCH RFC] Emit nsw/nuw flags for shl

[Xi Wang]

On 1/2/13 7:10 AM, Richard Smith wrote:
>
> See http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1457
>
> In C++11, a signed left shift is nuw but not nsw.

Aha, thanks for the pointer!