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Re: [patch] fix libstdc++/57336


On 21 May 2013 09:24, Daniel Krügler wrote:
> 2013/5/21 Jonathan Wakely <jwakely.gcc@gmail.com>:
>> This broke due to some front end changes that disallow forming
>> function types that return abstract types.  std::reference_wrapper
>> always passes an lvalue reference to __invoke so it's correct to use
>> an lvalue reference as the result_of's template argument.
>
> I agree. This was
>
> http://cplusplus.github.io/LWG/lwg-defects.html#2017
>
> wasn't it?

Ah yes, thanks!  I'd fixed the signature in reference_wrapper but not
its __invoke() helper.

It's fixed on trunk and the 4.8 branch now.

>
> - Daniel


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