Hello,
This might answer to your question :
"A name nominated by a friend declaration shall be
accessible in the scope of the class containing the
friend declaration." (ISO C++ standard 11.4.7)
Regards,
PH
--- Ralph Gauges <ralph@xxxxxxxxxx> wrote:
> Hi,
>
> I recently installed gcc4 (20050130) on some of my
> machines and all of the sudden I can not compile
> some code that worked fine with gcc 3.3 (20030304).
> Suddenly if a declare a friend function in some
> class that is a protected member function in another
> class gcc4 complains that the function is protected
> in this context. This is actually correct, but I
> could not find any documentation that this was not
> allowed in C++. Am I doing something wrong, or is
> this a bug since it worked with gcc3?
>
> Ralph
>
> Here is some sample code that compiles on gcc 3.3
> and fails on gcc 4.0
>
> class A{
> Â Â Â protected:
> Â Â Â Â Â Â Â void test(){};
> };
>
> class B{
> Â Â Â public:
> Â Â Â Â Â Â Â friend void A::test();
> };
>
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