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[Bug c++/15797] New: static_casts of objects on stack only point to copy of object
- From: "loeffel77 at yahoo dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Jun 2004 18:10:43 -0000
- Subject: [Bug c++/15797] New: static_casts of objects on stack only point to copy of object
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
#include <iostream>
using namespace std;
class base
{
public:
int val1;
base():val1(10)
{cout << "Where: "<< this << endl;}
};
class child: public base
{ public:
int val2;
child():val2(20)
{cout << "Where: "<< this << endl;}
};
int main(void)
{
child myclass;
cout << "Where child: " << &myclass << endl;
cout << "Where static_cast< base> " << &(static_cast<base> (myclass)) << endl;
cout << "=================="<< endl;
cout << "Changing val1 to 11" << endl;
static_cast<base>(myclass).val1=11; // This should change
myclass.val1;
cout << "val1 in child: " << myclass.val1 << endl; // But does not work
cout << "val1 in base: " << static_cast<base>(myclass).val1 << endl;
return 0;
}
--
Summary: static_casts of objects on stack only point to copy of
object
Product: gcc
Version: 3.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: loeffel77 at yahoo dot com
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: i686-pc-linux-gnu
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15797