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// { dg-do assemble  }

// GROUPS passed conversions

#include 

class Thing

{

public:

      typedef enum { GOOD_THING, BAD_THING, } ThingType ; // { dg-error "" "comma" { target c++98 } }

        Thing (ThingType type) : thingType (type) { }

        ~Thing () { }

private:

        ThingType thingType ;

} ;

class Group

{

public:

      typedef enum { THIS_GROUP, THAT_GROUP, } GroupType ; // { dg-error "" "comma" { target c++98 } }

        Group (GroupType type) : groupType (type), groupCount (0) { }

        ~Group () { }

        void append (Thing* const &entry) { groupCount ++ ; }

        operator GroupType () const { return groupType ; }

        operator int () const { return groupCount ; } // remove this and problem gone

private:

        int groupCount ;

        GroupType groupType ;

} ;

inline Group& operator += (Group& g, Thing* const t)

{

        g.append (t) ;

        return g ; // complaint is here

}

int

main (int argc, char** argv)

{

        Group g (Group::THIS_GROUP) ;

        g += new Thing (Thing::GOOD_THING) ;

        std::cout << "Group type is " << (Group::GroupType) g << std::endl ;

        return 0 ;

}