Safe method wont check dangling pointer?

[Andrei Alexandrescu via Digitalmars-d]

On 4/14/14, 10:47 PM, Walter Bright wrote:
> On 4/14/2014 8:14 PM, lzzll wrote:
>> I understand implemented this is hard and it need huge cost.
>> It still be useful if we only use it to detect memory error and trun
>> it off when
>> release.
>> I'll be glad if I can see it on D after some years.
>
> Valgrind is an incredibly useful tool, but programs run terribly slowly
> under it.

ASAN = like valgrind but a crapton faster. -- Andrei