--- /dev/null
+// Special g++ Options: -w -ansi -pedantic-errors
+
+// Copyright (C) 2000 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 20 June 2000 <nathan@codesourcery.com>
+
+// Origin GNATS bug report 143 from Carlo Wood <carlo@runaway.xs4all.nl>
+// We were generating incorrect type_info structures, and hence breaking
+// dynamic_cast.
+
+#include <stdio.h>
+
+class OBASE { public: virtual void bz () {}};
+class IBASE { public: virtual void by () {}};
+
+class V {public:int m; };
+
+class A : public virtual V { };
+class AA : public A {};
+
+class B : public OBASE, public A { public: virtual void foo(void) { } };
+class B1 : public OBASE, public AA { public: virtual void foo(void) { } };
+
+class C : public IBASE, public virtual V { };
+
+class D : public B, public C { };
+
+class E : public B, public virtual V { };
+
+class E1 : public B1, public virtual V {};
+
+class E2 : public B1, public A, public virtual V {};
+
+int main(void)
+{
+ D d;
+ E e;
+ E1 e1;
+ E2 e2;
+ int code = 0;
+
+ OBASE* osd = &d;
+ OBASE* ose = &e;
+ OBASE* ose1 = &e1;
+ OBASE* ose2 = &e2;
+
+
+ if (!dynamic_cast<V*>(osd))
+ {
+ printf ("fail osd\n");
+ code++;
+ }
+
+ if (!dynamic_cast<V*>(ose))
+ {
+ printf ("fail ose\n");
+ code++;
+ }
+
+ if (!dynamic_cast<V*>(ose1))
+ {
+ printf ("fail ose1\n");
+ code++;
+ }
+
+ if (!dynamic_cast<V*>(ose2))
+ {
+ printf ("fail ose2\n");
+ code++;
+ }
+
+ return code;
+}