[RFC] Implementing addressof for C++0x

[Andrew Pinski]

Sent from my iPhone

On May 20, 2010, at 5:43 AM, "Peter Dimov" <pdimov@pdimov.com> wrote:

> Paolo Carlini wrote:
>> On 05/20/2010 02:18 PM, Peter Dimov wrote:
>>>> On 05/20/2010 01:55 PM, Paolo Carlini wrote:
>>>>> It's uglier because the code above doesn't work for functions,
>>>>>
>>>> By the way, do you have a specific testcase in mind?
>>>>
>>>> Because addressof_fn_test.cpp, part of Boost, passes...
>>>
>>> This is probably a g++/gcc extension... some compilers do not allow
>>> references to functions to be casted to char&, and I believe the
>>> standard doesn't permit that, either.
>> I see. I'm a bit reluctant to add complexity to the code, given that
>> current Comeau and Intel, at least, in strict-mode, also like it...
>
> If it works, there's certainly no need to add complexity.
>
> Here's the ticket that prompted the boost::addressof changes:
>
> https://svn.boost.org/trac/boost/ticket/1846
>
> but it doesn't say which compiler didn't like it at the time. MSVC  
> 8.0 also does.



I do know at one point gcc changed to reject it by default and then  
that was reverted as it broke building libjava; not to mention most  
uses of dlsym.

Thanks,
Andrew Pinski
>