+++ /dev/null
-// Build don't link:
-// GROUPS passed old-abort
-//
-// This one creates
-//
-// gcc2: Internal compiler error: program cc1plus got fatal signal 11
-//
-// when compiled with g++.
-// The error goes away, if
-// 1) int ClassInvariant() is not virtual or
-// 2) GnObject has a virtual destructor or
-// 3) GnWidget has no virtual destructor or
-// 4) GnContracts has a virtual destructor
-//
-
-
-class GnContracts {
- public:
- virtual int ClassInvariant();
-// virtual ~GnContracts();
-};
-
-class GnObject : public GnContracts {
- public:
-// virtual ~GnObject();
-};
-
-class GnWidget : public GnObject {
- public:
- virtual ~GnWidget();
-};
-
-class GnOptionGroup : public GnObject, public GnWidget {// ERROR - warning
-};
-