Fwd: GCC behave different for cv-qualifier function.

[zhang qingshan <steven dot zhang54373 at gmail dot com>]

---------- Forwarded message ----------
From: zhang qingshan <steven.zhang54373@gmail.com>
Date: Thu, Dec 16, 2010 at 10:12 AM
Subject: Re: GCC behave different for cv-qualifier function.
To: Jonathan Wakely <jwakely.gcc@gmail.com>


On Thu, Dec 16, 2010 at 12:13 AM, Jonathan Wakely <jwakely.gcc@gmail.com> wrote:
> On 15 December 2010 10:46, zhang qingshan wrote:
>>
>> T--> void(), const T-->void() ?const T& -->void (&)(),
>> however, the linker complain that,
>> test.cpp:(.text+0x1c): undefined reference to `void fun<void()()>(void
>> ( const&)())'
>>
>> It seems that, gcc still resolve it as void (const &)(), not void(&)().
>>
>> I do agree with you that, they are equivalent. But from the view of
>> the std rules, there shouldn't be a const here(it should be ignored
>> when it applies to the function).
>
> Yes, it would be clearer if the linker error didn't include the const,
> feel free to file a bug report requesting a diagnostic enhancement
> (but please don't refer to 8.3.2! :-)
>

Thanks. I am clear now. It has nothing to do with cv-qualifier
reference, but to do with cv-qualifier function, which should be
ignore.