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