Re: c++/5094: partial specialisation cannot be friend??

[Martin Sebor <sebor@roguewave.com>]

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The following reply was made to PR c++/5094; it has been noted by GNATS.

From: Martin Sebor <sebor@roguewave.com>
To: gcc-gnats@gcc.gnu.org
Cc:  
Subject: Re: c++/5094: partial specialisation cannot be friend??
Date: Wed, 12 Dec 2001 21:23:58 -0700

 rodrigc@gcc.gnu.org wrote:
 > 
 > Synopsis: partial specialisation cannot be friend??
 > 
 > State-Changed-From-To: open->analyzed
 > State-Changed-By: rodrigc
 > State-Changed-When: Wed Dec 12 19:58:51 2001
 > State-Changed-Why:
 >     This is not a bug in gcc.
 >     This is not legal code.  When I compile with
 >     the Digital Unix C++ compiler, I get the
 >     following compilation errors:
 
 Although I also have respect for the latest version of Compaq C++,
 it should be noted that the compiler isn't "the ultimate authority"
 on the validity of C++ code. What clenches it is that 14.5.3, p9
 explicitly prohibits friend declarations of partial specializations:
 
   -9- Friend declarations shall not declare partial specializations.
       [Example:
           template<class T> class A { };
           class X {
               template<class T> friend class A<T*>; // error
           };
       —end example]
 
 Regards
 Martin