pure and custom new / delete

[Benjamin Thaut]

Am 26.06.2012 19:23, schrieb David Nadlinger:
> On Tuesday, 26 June 2012 at 16:52:48 UTC, Benjamin Thaut wrote:
>> Am 26.06.2012 18:44, schrieb Timon Gehr:
>>> On 06/26/2012 06:05 PM, Benjamin Thaut wrote:
>>>> Is the compiler smart enough to optimize away a function pointer I
>>>> created localy just so I can cast it?
>>>> […]
>>>
>>> You can examine the assembly code. DMD is perhaps not smart enough (it
>>> is unable to inline directly called function literals, so I am not
>>> optimistic.) LDC and GDC should certainly optimize it out.
>>
>> The more I get into this, the more I get the feeling that all this "D
>> can be used without a GC" is just a marketing trick to get C++ guys to
>> use D.
>
> This has nothing to do with the GC, just with the compiler turning an
> indirect jump to a statically known address into a direct one. Every
> decent compiler should optimize it away, and even if it doesn't, it
> still won't kill you in 99.9% of the use cases.
>
> David

I'm not talking about the optimization here. I'm talking about not 
beeing able to do a propper replacement for new / delete with the 
features the language currently has.