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c++/396: Re: const int null = 0;
- To: gcc-gnats at gcc dot gnu dot org
- Subject: c++/396: Re: const int null = 0;
- From: "Martin v. Loewis" <martin at loewis dot home dot cs dot tu-berlin dot de>
- Date: Mon, 10 Jul 2000 08:54:24 +0200
- References: <38FB65DA.2564557F@molecularmining.com>
- Resent-Cc: gcc-prs at gcc dot gnu dot org, jason at gcc dot gnu dot org, mlepage at molecularmining dot com
- Resent-Reply-To: gcc-gnats@gcc.gnu.org, "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
>Number: 396
>Category: c++
>Synopsis: const int null = 0;
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: analyzed
>Class: rejects-legal
>Submitter-Id: net
>Arrival-Date: Mon Jul 10 00:06:00 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator: "Marc A. Lepage" <mlepage@molecularmining.com>
>Release: 2.95.2
>Organization:
Molecular Mining Corporation
>Environment:
>Description:
Original-Message-ID: <38FB65DA.2564557F@molecularmining.com>
Date: Mon, 17 Apr 2000 15:28:26 -0400
kafka$ gcc -v
Reading specs from /usr/local/lib/gcc-lib/i686-pc-linux-gnu/2.95.2/specs
gcc version 2.95.2 19991024 (release)
kafka$ uname -a
Linux kafka 2.2.5 #1 SMP Mon Apr 12 02:29:46 EDT 1999 i686 unknown
kafka$ g++ null.cpp
null.cpp: In method `void Foo::g()':
null.cpp:27: no matching function for call to `Foo::f (const int &)'
null.cpp:21: candidates are: void Foo::f(int *)
null.cpp: In function `int main(int, char *)':
null.cpp:37: no matching function for call to `Foo::f (const int &)'
null.cpp:21: candidates are: void Foo::f(int *)
>How-To-Repeat:
const int null = 0;
void f(int* pn)
{
}
void g()
{
f(0);
f(null); // okay
}
class Foo
{
public:
void f(int* pn);
void g();
};
void Foo::f(int* pn)
{
}
void Foo::g()
{
f(0);
f(null); // compile error
}
int main(int argc, char* argv)
{
f(0);
f(null); // okay
Foo foo;
foo.f(0);
foo.f(null); // compile error
}
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: