Cleaned up C++

[via Digitalmars-d]

On Wednesday, 22 April 2015 at 20:36:12 UTC, John Colvin wrote:
> Is it even possible to contrive a case where
> 1) The default initialisation stores are technically dead and
> 2) Modern compilers can't tell they are dead and elide them and
> 3) Doing the initialisation has a significant performance 
> impact?
>
> The boring example is "extra code causes instruction cache 
> misses".

Allocation of large arrays.