c++/10542: warning: choosing `T::operator int&()' over `T::operator const int&() const'
gianni@mariani.ws
gianni@mariani.ws
Tue Apr 29 17:11:00 GMT 2003
>Number: 10542
>Category: c++
>Synopsis: warning: choosing `T::operator int&()' over `T::operator const int&() const'
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Tue Apr 29 16:26:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator: gianni@mariani.ws
>Release: GCC 3.2.2
>Organization:
>Environment:
Linux RH 8.0
configure --enable-shared --enable-threads=posix --disable-checking --host=i386-redhat-linux --with-system-zlib --enable-__cxa_atexit
Thread model: posix
gcc version 3.2.2
>Description:
The warnings below ahould not be issued. The code below should work without problems.
g++ tt5.cpp -o tt5
tt5.cpp: In function `int main()':
tt5.cpp:53: warning: choosing `IType::operator int&()' over `IType::operator
const int&() const'
tt5.cpp:53: warning: for conversion from `IType' to `int'
tt5.cpp:53: warning: because conversion sequence for the argument is better
#include <cassert>
class IType
{
public:
int m_value;
inline IType()
: m_value( 3322-21 )
{
}
inline operator int & ()
{
return m_value;
}
inline operator const int & () const
{
return m_value;
}
inline int & operator = ( const int & i_value )
{
m_value = i_value;
return m_value;
}
};
class tester
{
public:
IType m_int;
};
int main()
{
tester z;
const tester * a = & z;
assert( z.m_int == 3301 );
assert( a->m_int == 3301 );
return 0;
}
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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