1 files changed, 114 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.eh/catch4.C b/gcc/testsuite/g++.old-deja/g++.eh/catch4.C
new file mode 100644
index 000000000..1da91d0ad
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.eh/catch4.C
@@ -0,0 +1,114 @@
+// { 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. Check with a virtual public
+// DAG.
+// -- public, << private, == virtual
+
+// D--B==A
+// +--C==A
+
+
+struct A { int m; };
+struct B : virtual A { int m; };
+struct C : virtual A { int m; };
+struct D : B, C { 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; }
+
+extern "C" void abort();
+
+void check(D *d)
+{
+  int caught;
+  
+  // try with whole object
+  caught = 0;
+  try { fnd(d); }
+  catch(A *p) { caught = 1; if (p != d) abort();}
+  catch(...) { abort(); }
+  if (!caught) abort();
+
+  caught = 0;
+  try { fnd(d); }
+  catch(B *p) { caught = 1; if (p != d) abort();}
+  catch(...) { abort(); }
+  if (!caught) abort();
+
+  caught = 0;
+  try { fnd(d); }
+  catch(C *p) { caught = 1; if (p != d) abort();}
+  catch(...) { abort(); }
+  if (!caught) abort();
+
+  // try with an A object
+  caught = 0;
+  try { fna((B *)d); }
+  catch(B *p) { abort(); } // throw type is static type
+  catch(A *p) { caught = 1; if (p != d) abort();}
+  catch(...) { abort(); }
+  if (!caught) abort();
+  
+  caught = 0;
+  try { fna((C *)d); }
+  catch(C *p) { abort(); } // throw type is static type
+  catch(A *p) { caught = 1; if (p != d) abort();}
+  catch(...) { abort(); }
+  if (!caught) abort();
+  
+  // try with B object
+  caught = 0;
+  try { fnb((B *)d); }
+  catch(A *p) { caught = 1; if (p != d) abort();}
+  catch(...) { abort(); }
+  if (!caught) abort();
+  
+  caught = 0;
+  try { fnb((B *)d); }
+  catch(B *p) { caught = 1; if (p != d) abort();}
+  catch(...) { abort(); }
+  if (!caught) abort();
+  
+  caught = 0;
+  try { fnb((B *)d); }
+  catch(C *p) { abort(); }
+  catch(D *p) { abort(); }
+  catch(...) { caught =1; }
+  if (!caught) abort();
+  
+  // try with C object
+  caught = 0;
+  try { fnc((C *)d); }
+  catch(A *p) { caught = 1; if (p != d) abort();}
+  catch(...) { abort(); }
+  if (!caught) abort();
+  
+  caught = 0;
+  try { fnc((C *)d); }
+  catch(C *p) { caught = 1; if (p != d) abort();}
+  catch(...) { abort(); }
+  if (!caught) abort();
+  
+  caught = 0;
+  try { fnc((C *)d); }
+  catch(B *p) { abort(); }
+  catch(D *p) { abort(); }
+  catch(...) { caught =1; }
+  if (!caught) abort();
+  
+  return;
+}
+
+int main ()
+{
+  D d;
+  check (&d); // try with an object
+  check ((D *)0); // try with no object
+  
+  return 0;
+}