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Date: Fri, 25 Apr 2003 13:16:00 -0000
From: benko@sztaki.hu
Reply-To: benko@sztaki.hu
To: gcc-gnats@gcc.gnu.org
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Subject: c++/10496: erroneus suggestion in diagnostic and possible bug
X-SW-Source: 2003-04/txt/msg01088.txt.bz2
List-Id: <gcc-prs.sourceware.org>


>Number:         10496
>Category:       c++
>Synopsis:       erroneus suggestion in diagnostic and possible bug
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Apr 25 13:16:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     benko@sztaki.hu
>Release:        3.2.3
>Organization:
>Environment:
Linux arta 2.4.18 #2 Thu Feb 28 19:27:45 CET 2002 i686 unknown
>Description:
Given the following program:

arta:~/c/proba$ cat ptr2mem.cc
struct a
{
  int f() const;
};


int
a::f() const
{
  int (a::* b)() const = &a::f;
}
arta:~/c/proba$ g++3 -v
Reading specs from /gml/shared/gcc-3.2.3/lib/gcc-lib/i686-pc-linux-gnu/3.2.3/specs
Configured with: ../gcc-3.2.3/configure --prefix=/gml/shared/gcc-3.2.3
Thread model: posix
gcc version 3.2.3
arta:~/c/proba$ g++3 ptr2mem.cc
ptr2mem.cc: In member function `int a::f() const':
ptr2mem.cc:10: ISO C++ forbids taking the address of an unqualified non-static 
   member function to form a pointer to member function.  Say `&const a::f'
zsh: exit 1     g++3 ptr2mem.cc
arta:~/c/proba$

I think &f should be enough, but &const a::f
(as suggested by the diagnostics) is refused by g++
(I think rightly so).

(&a::f is accepted.)
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: