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// { dg-do run  }

// { dg-options "-w" }

// GROUPS passed references

// Check that if a reference is initialized to refer to a value

// which is returned from a function call, the actual call to

// the function is only invoked for the original initialization

// of the reference, and not for each subsequent use of the

// reference.

//

// This test fails with G++ 1.35.0- (pre-release).

// Reported 4/4/89 by Kim Smith

extern "C" int printf (const char *, ...);

struct base {

        mutable int data_member;

        base () {}

        void function_member () const;

};

base base_object;

base base_returning_function ();

int call_count = 0;

int main ()

{

        const base& base_ref = base_returning_function ();

        base_ref.function_member ();

        base_ref.function_member ();

        base_ref.data_member  = 99;

        if (call_count == 1)

          printf ("PASS\n");

        else

          { printf ("FAIL\n"); return 1; }

        return 0;

}

base base_returning_function ()

{

        base local_base_object;

        call_count++;

        return local_base_object;

}

void base::function_member () const

{

}