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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [g++.old-deja/] [g++.other/] [dyncast4.C] - Blame information for rev 154

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// { dg-do run  }
// Author: Alfred Miniarik 
 
// Even in a derived class, a private base cannot be dynamically downcasted
// from.
 
extern "C" void abort();
 
struct A {
  virtual ~A () {}
};
 
struct B : private A {
  B* a2b (A* objp)
  {
    return dynamic_cast (objp);
  }
};
 
int
main ()
{
  B b;
  A* aptr = (A*) &b;
  if (dynamic_cast  (aptr)) abort ();
  if (b.a2b (aptr)) abort();
  return 0;
}

Line No.	Rev	Author	Line
1	149	jeremybenn	`// { dg-do run }`
2			`// Author: Alfred Miniarik`
3
4			`// Even in a derived class, a private base cannot be dynamically downcasted`
5			`// from.`
6
7			`extern "C" void abort();`
8
9			`struct A {`
10			`virtual ~A () {}`
11			`};`
12
13			`struct B : private A {`
14			`B* a2b (A* objp)`
15			`{`
16			`return dynamic_cast (objp);`
17			`}`
18			`};`
19
20			`int`
21			`main ()`
22			`{`
23			`B b;`
24			`A* aptr = (A*) &b;`
25			`if (dynamic_cast (aptr)) abort ();`
26			`if (b.a2b (aptr)) abort();`
27			`return 0;`
28			`}`

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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [g++.old-deja/] [g++.other/] [dyncast4.C] - Blame information for rev 154