> On Oct 29, 2020, at 3:38 PM, Andrii Nakryiko
> wrote:
>
> On Thu, Oct 29, 2020 at 3:38 PM Ian Rogers wrote:
>>
>> If bits is 0, the case when the map is empty, then the >> is the size of
>> the register which is undefined behavior - on x86 it is the same as a
>> shift by 0. Fix by handlin
On Thu, Oct 29, 2020 at 3:38 PM Ian Rogers wrote:
>
> If bits is 0, the case when the map is empty, then the >> is the size of
> the register which is undefined behavior - on x86 it is the same as a
> shift by 0. Fix by handling the 0 case explicitly and guarding calls to
> hash_bits for empty map