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* c++/6492: New boost regression (friends)
@ 2002-04-27 17:36 Peter Schmid
0 siblings, 0 replies; 4+ messages in thread
From: Peter Schmid @ 2002-04-27 17:36 UTC (permalink / raw)
To: gcc-gnats
>Number: 6492
>Category: c++
>Synopsis: New boost regression (friends)
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: rejects-legal
>Submitter-Id: net
>Arrival-Date: Sat Apr 27 17:36:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Peter Schmid
>Release: 3.1 20020427 (prerelease)
>Organization:
TU Darmstadt
>Environment:
System: Linux kiste 2.4.18 #8 Sat Mar 9 15:33:15 CET 2002 i686 unknown
Architecture: i686
host: i686-pc-linux-gnu
build: i686-pc-linux-gnu
target: i686-pc-linux-gnu
configured with: ../gcc/configure --enable-shared --disable-nls --enable-threads=posix --enable-languages=c,c++,f77,objc
>Description:
There is a new boost regression. gcc 3.1 does no longer compile
/libs/config/test/boost_no_mem_templ_frnds.cxx. gcc 3.1 20020418
accepted this code without a warning. Please fix this regression for
the upcoming 3.1 release.
>How-To-Repeat:
source code libs/config/test/boost_no_mem_templ_frnds.cxx from boost
// (C) Copyright John Maddock 2001. Permission to copy, use, modify, sell and
// distribute this software is granted provided this copyright notice appears
// in all copies. This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
// MACRO: BOOST_NO_MEMBER_TEMPLATE_FRIENDS
// TITLE: member template friends
// DESCRIPTION: Member template friend syntax
// ("template<class P> friend class frd;")
// described in the C++ Standard,
// 14.5.3, not supported.
namespace boost_no_member_template_friends{
template <class T>
class foobar;
template <class T>
class foo;
template <class T>
bool must_be_friend_proc(const foo<T>& f);
template <class T>
class foo
{
private:
template<typename Y> friend class foobar;
template<typename Y> friend class foo;
template<typename Y> friend bool must_be_friend_proc(const foo<Y>& f);
int i;
public:
foo(){ i = 0; }
template <class U>
foo(const foo<U>& f){ i = f.i; }
};
template <class T>
bool must_be_friend_proc(const foo<T>& f)
{ return f.i != 0; }
template <class T>
class foobar
{
int i;
public:
template <class U>
foobar(const foo<U>& f)
{ i = f.i; }
};
int test()
{
foo<int> fi;
foo<double> fd(fi);
(void) &fd; // avoid "unused variable" warning
foobar<long> fb(fi);
(void) &fb; // avoid "unused variable" warning
return 0;
}
}
g++ -v -c -W -Wall boost_no_mem_templ_frnds.cxx
Reading specs from /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.1/specs
Configured with: ../gcc/configure --enable-shared --disable-nls --enable-threads=posix --enable-languages=c,c++,f77,objc
Thread model: posix
gcc version 3.1 20020427 (prerelease)
/usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.1/cc1plus -v -D__GNUC__=3 -D__GNUC_MINOR__=1 -D__GNUC_PATCHLEVEL__=0 -D__ELF__ -Dunix -D__gnu_linux__ -Dlinux -D__ELF__ -D__unix__ -D__gnu_linux__ -D__linux__ -D__unix -D__linux -Asystem=posix -D__NO_INLINE__ -D__STDC_HOSTED__=1 -D_GNU_SOURCE -Acpu=i386 -Amachine=i386 -Di386 -D__i386 -D__i386__ -D__tune_i686__ -D__tune_pentiumpro__ boost_no_mem_templ_frnds.cxx -D__GNUG__=3 -D__DEPRECATED -D__EXCEPTIONS -D__GXX_ABI_VERSION=100 -quiet -dumpbase boost_no_mem_templ_frnds.cxx -W -Wall -version -o /tmp/ccYDxpXS.s
GNU CPP version 3.1 20020427 (prerelease) (cpplib) (i386 Linux/ELF)
GNU C++ version 3.1 20020427 (prerelease) (i686-pc-linux-gnu)
compiled by GNU C version 3.1 20020427 (prerelease).
ignoring nonexistent directory "NONE/include"
ignoring nonexistent directory "/usr/local/i686-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/local/include/g++-v3
/usr/local/include/g++-v3/i686-pc-linux-gnu
/usr/local/include/g++-v3/backward
/usr/local/include
/usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.1/include
/usr/include
End of search list.
boost_no_mem_templ_frnds.cxx: In constructor
`boost_no_member_template_friends::foo<T>::foo(const
boost_no_member_template_friends::foo<Y>&) [with U = int, T = double]':
boost_no_mem_templ_frnds.cxx:57: instantiated from here
boost_no_mem_templ_frnds.cxx:32: `int
boost_no_member_template_friends::foo<int>::i' is private
boost_no_mem_templ_frnds.cxx:36: within this context
boost_no_mem_templ_frnds.cxx: In constructor
`boost_no_member_template_friends::foobar<T>::foobar(const
boost_no_member_template_friends::foo<Y>&) [with U = int, T = long int]':
boost_no_mem_templ_frnds.cxx:59: instantiated from here
boost_no_mem_templ_frnds.cxx:32: `int
boost_no_member_template_friends::foo<int>::i' is private
boost_no_mem_templ_frnds.cxx:50: within this context
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: c++/6492: New boost regression (friends)
@ 2002-04-29 8:02 mmitchel
0 siblings, 0 replies; 4+ messages in thread
From: mmitchel @ 2002-04-29 8:02 UTC (permalink / raw)
To: gcc-bugs, gcc-prs, mmitchel, schmid
Synopsis: New boost regression (friends)
State-Changed-From-To: analyzed->closed
State-Changed-By: mmitchel
State-Changed-When: Mon Apr 29 08:02:00 2002
State-Changed-Why:
Fixed in GCC 3.1.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6492
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: c++/6492: New boost regression (friends)
@ 2002-04-28 11:38 mmitchel
0 siblings, 0 replies; 4+ messages in thread
From: mmitchel @ 2002-04-28 11:38 UTC (permalink / raw)
To: gcc-bugs, gcc-prs, mmitchel, nobody, schmid
Synopsis: New boost regression (friends)
Responsible-Changed-From-To: unassigned->mmitchel
Responsible-Changed-By: mmitchel
Responsible-Changed-When: Sun Apr 28 11:38:36 2002
Responsible-Changed-Why:
This regression is caused by one of my recent patches.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6492
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: c++/6492: New boost regression (friends)
@ 2002-04-28 1:04 paolo
0 siblings, 0 replies; 4+ messages in thread
From: paolo @ 2002-04-28 1:04 UTC (permalink / raw)
To: gcc-bugs, gcc-prs, nobody, schmid
Synopsis: New boost regression (friends)
State-Changed-From-To: open->analyzed
State-Changed-By: paolo
State-Changed-When: Sun Apr 28 01:04:50 2002
State-Changed-Why:
Confirmed, regression from 3.0.4
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6492
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2002-04-29 15:02 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2002-04-27 17:36 c++/6492: New boost regression (friends) Peter Schmid
2002-04-28 1:04 paolo
2002-04-28 11:38 mmitchel
2002-04-29 8:02 mmitchel
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