Default std::vector<bool> default and move constructor

[François Dumont]

Hi

On 15/05/2017 21:31, Marc Glisse wrote:
> The __fill_bvector part of the fill overload for vector<bool> could do 
> with some improvements as well. Looping is unnecessary, one just needs 
> to produce the right mask and and or or with it, that shouldn't take 
> more than 4 instructions or so.
>
>
I have implemented this idear so I would like to amend my patch proposal 
with this additional optimization.

Tested under Linux x86_64 normal mode.

Ok to commit ?

François


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