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// PR middle-end/25977

// Bug: We were assuming that the return slot of the current function is

// always safe to use as the return slot for another call, because its

// address cannot escape.  But its address can escape if we perform the

// named return value optimization.

// { dg-do run }

struct A

{

    A( int left, int top, int width, int height )

      : x1(left), y1(top), x2(left+width-1), y2(top+height-1) {}

    //A(const A& o) : x1(o.x1), y1(o.y1), x2(o.x2), y2(o.y2) {}

    //A& operator=(const A& o ) { x1=o.x1; y1=o.y1; x2=o.x2; y2=o.y2; return *this; }

    A  operator&(const A &r) const

    {

        A tmp(0, 0, -1, -1);

        tmp.x1 = ((r.x1) < (x1) ? (x1) : (r.x1));

        tmp.x2 = ((x2) < (r.x2) ? (x2) : (r.x2));

        tmp.y1 = ((r.y1) < (y1) ? (y1) : (r.y1));

        tmp.y2 = ((y2) < (r.y2) ? (y2) : (r.y2));

        return tmp;

    }

    int x1;

    int y1;

    int x2;

    int y2;

};

bool operator==( const A &r1, const A &r2 )

{

    return r1.x1==r2.x1 && r1.x2==r2.x2 && r1.y1==r2.y1 && r1.y2==r2.y2;

}

static A test()

{

    A all = A( 0, 0, 1024, 768);

    A a = all;

    A r = all;

    a = a & r;

    return a;

}

extern "C" void abort(void);

int main( int argc, char ** argv )

{

    A all = A( 0, 0, 1024, 768);

    A a = test();

    if ( ! ( a == all))

      abort();

    return 0;

}