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// { dg-do run }
// { dg-options "-w" }
// Copyright (C) 1999, 2000 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 29 Aug 1999 <nathan@acm.org>
// We cannot catch an ambiguous base class.
// -- public, << private, == virtual
// E==D--B==A
// +--C==A
// +--AA-A
struct A { int m; virtual ~A(){}};
struct B : virtual A { int m; };
struct C : virtual A { int m; };
struct AA : A { int m; };
struct D : B, C, AA { int m; };
struct E : virtual D { int m; };
void fna(A *obj) { throw obj; }
void fnb(B *obj) { throw obj; }
void fnc(C *obj) { throw obj; }
void fnd(D *obj) { throw obj; }
void fnaa(AA *obj) { throw obj; }
void fne(E *obj) { throw obj; }
extern "C" void abort();
void check(E *e)
{
int caught;
// try with whole object
caught = 0;
try { fne(e); }
catch(A *p) { abort(); } // A is ambiguous
catch(D *p) { caught = 1; if (p != e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fne(e); }
catch(A *p) { abort(); } // A is ambiguous
catch(B *p) { caught = 1; if (p != e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fne(e); }
catch(A *p) { abort(); } // A is ambiguous
catch(C *p) { caught = 1; if (p != e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fne(e); }
catch(A *p) { abort(); } // A is ambiguous
catch(AA *p) { caught = 1; if (p != e) abort();}
catch(...) { abort(); }
if (!caught) abort();
// try with D oject
caught = 0;
try { fnd((D *)e); }
catch(A *p) { abort(); } // A is ambiguous
catch(D *p) { caught = 1; if (p != e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fnd((D *)e); }
catch(A *p) { abort(); } // A is ambiguous
catch(B *p) { caught = 1; if (p != e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fnd((D *)e); }
catch(A *p) { abort(); } // A is ambiguous
catch(C *p) { caught = 1; if (p != e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fnd((D *)e); }
catch(A *p) { abort(); } // A is ambiguous
catch(AA *p) { caught = 1; if (p != e) abort();}
catch(...) { abort(); }
if (!caught) abort();
// try with an A object
caught = 0;
try { fna((B *)e); }
catch(B *p) { abort(); } // throw type is static type
catch(A *p) { caught = 1; if (p != (B *)e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fna((C *)e); }
catch(C *p) { abort(); } // throw type is static type
catch(A *p) { caught = 1; if (p != (C *)e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fna((AA *)e); }
catch(AA *p) { abort(); } // throw type is static type
catch(A *p) { caught = 1; if (p != (AA *)e) abort();}
catch(...) { abort(); }
if (!caught) abort();
// try with B object
caught = 0;
try { fnb((B *)e); }
catch(A *p) { caught = 1; if (p != (B *)e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fnb((B *)e); }
catch(B *p) { caught = 1; if (p != e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fnb((B *)e); }
catch(C *p) { abort(); }
catch(D *p) { abort(); }
catch(...) { caught =1; }
if (!caught) abort();
// try with C object
caught = 0;
try { fnc((C *)e); }
catch(A *p) { caught = 1; if (p != (C *)e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fnc((C *)e); }
catch(C *p) { caught = 1; if (p != e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fnc((C *)e); }
catch(B *p) { abort(); }
catch(D *p) { abort(); }
catch(...) { caught =1; }
if (!caught) abort();
// try with AA object
caught = 0;
try { fnaa((AA *)e); }
catch(A *p) { caught = 1; if (p != (AA *)e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fnaa((AA *)e); }
catch(AA *p) { caught = 1; if (p != e) abort();}
catch(...) { abort(); }
if (!caught) abort();
caught = 0;
try { fnaa((AA *)e); }
catch(C *p) { abort(); }
catch(B *p) { abort(); }
catch(D *p) { abort(); }
catch(...) { caught =1; }
if (!caught) abort();
return;
}
int main ()
{
E e;
check (&e); // try with an object
check ((E *)0); // try with no object
return 0;
}
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