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// { dg-do run }
// Copyright (C) 2000, 2001 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 28 Nov 2000 <nathan@codesourcery.com>
// Bug 91. We'd not preserve constness looking for a base classes assignment
// operator.
#include <stdio.h>
int value = 0;
struct A
{
A() {}
A( A& arg)
{ printf ("%s\n", __PRETTY_FUNCTION__); value = 1;}
A( const A& arg)
{ printf ("%s\n", __PRETTY_FUNCTION__); value = 2;}
A& operator=( A& )
{ printf ("%s\n", __PRETTY_FUNCTION__); value = 3; return *this; }
A& operator=( const A& )
{ printf ("%s\n", __PRETTY_FUNCTION__); value = 4; return *this; }
};
struct B : A
{
B () {}
};
void foo( A& )
{
printf ("%s\n", __PRETTY_FUNCTION__); value = 5;
}
void foo( const A& )
{
printf ("%s\n", __PRETTY_FUNCTION__); value = 6;
}
int main()
{
const A a0;
value = 0; printf ("A(cA) : "); A a1(a0); if (value != 2) return 1;
value = 0; printf ("A(A ) : "); A a2(a1); if (value != 1) return 2;
const B b0;
value = 0; printf ("B(cB) : "); B b1(b0); if (value != 2) return 3;
value = 0; printf ("B(B ) : "); B b2(b1); if (value != 2) return 4;
value = 0; printf ("A= cA : "); a1 = a0; if (value != 4) return 5;
value = 0; printf ("A= A : "); a1 = a2; if (value != 3) return 6;
value = 0; printf ("B= cB : "); b1 = b0; if (value != 4) return 7;
value = 0; printf ("B= B : "); b1 = b2; if (value != 4) return 8;
value = 0; printf ("foo(cB): "); foo(b0); if (value != 6) return 9;
value = 0; printf ("foo(B ): "); foo(b2); if (value != 5) return 10;
return 0;
}
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