c++/109: Re: g++ 2.95.2 can't handle dependent friend member functions

["Martin v. Loewis" <martin at loewis dot home dot cs dot tu-berlin dot de>]

>Number:         109
>Category:       c++
>Synopsis:       g++ 2.95.2 can't handle dependent friend member functions
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          analyzed
>Class:          rejects-legal
>Submitter-Id:   net
>Arrival-Date:   Wed Mar 15 01:06:00 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     "   " <sebor@my-Deja.com>
>Release:        2.95.2
>Organization:
My Deja Email  (http://www.my-deja.com:80)
>Environment:
>Description:
 Date: Fri, 24 Dec 1999 12:44:10 -0800
 Original-Message-ID: <LGKPIJCIBKKBNAAA@my-deja.com>
 

 Hi,

 the program below doesn't compile with g++ 2.95.2. I can't find anything
 in 11.4 or in 14.5.3 that would indicate that the code is not legal. It
 compiles fine with edg 2.42. Am I missing something or is this a g++
 bug?

 Thanks
 Martin


 $ cat test.cpp

 struct B
 {
     static void foo () { }
 };


 template <class T>
 struct A
 {
     friend void T::foo ();   // <-- error
     friend void B::foo ();   // <-- ok
 };

 int main ()
 {
     A<B> a;
 }


 $ g++ -v test.cpp
 Reading specs from /usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/specs
 gcc version 2.95.2 19991024 (release)
  /usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/cpp -lang-c++ -v -D__GNUC__=2
 -D__GNUG__=2 -D__GNUC_MINOR__=95 -D__cplusplus -D__ELF__ -Dunix
 -D__i386__ -Dlinux -D__ELF__ -D__unix__ -D__i386__ -D__linux__ -D__unix
 -D__linux -Asystem(posix) -D__EXCEPTIONS -Acpu(i386) -Amachine(i386)
 -Di386 -D__i386 -D__i386__ -Di686 -Dpentiumpro -D__i686 -D__i686__
 -D__pentiumpro -D__pentiumpro__
 /build/sebor/dev/stdlib2/tests/regress/src/test.cpp /tmp/ccWfj4o0.ii
 GNU CPP version 2.95.2 19991024 (release) (i386 Linux/ELF)
 #include "..." search starts here:
 #include <...> search starts here:
  /usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../include/g++-3
  /usr/local/include

 /usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/../../../../i686-pc-linux-gnu/include
  /usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/include
  /usr/include
 End of search list.
 The following default directories have been omitted from the search
 path:
 End of omitted list.
  /usr/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/cc1plus /tmp/ccWfj4o0.ii
 -quiet -dumpbase test.cc -version -o /tmp/ccofIB0P.s
 GNU C++ version 2.95.2 19991024 (release) (i686-pc-linux-gnu) compiled
 by GNU C version 2.95.2 19991024 (release).
 test.cpp:12: `T::foo' is not a valid declarator
 test.cpp:12:   perhaps you want `typename T::foo' to make it a type
 test.cpp: In instantiation of `A<B>':
 test.cpp:18:   instantiated from here
 test.cpp:5: confused by earlier errors, bailing out


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