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// PR target/34403
// Origin: Martin Michlmayr <tbm@cyrius.com>
// { dg-do compile }
// { dg-options "-O" }
typedef unsigned char uint8_t;
typedef uint8_t uint8;
__extension__ typedef __SIZE_TYPE__ size_t;
class csVector2
{
public:float x;
};
class csBox2
{
};
struct iBase
{
};
struct iClipper2D:public virtual iBase
{
};
template < class Class > class scfImplementation:public virtual iBase
{
};
template < class Class, class I1 > class scfImplementation1:public
scfImplementation < Class >,
public I1
{
};
class csClipper:public scfImplementation1 < csClipper, iClipper2D >
{
};
class csBoxClipper:public csClipper
{
csBox2 region;
virtual uint8 Clip (csVector2 * InPolygon, size_t InCount,
csVector2 * OutPolygon, size_t & OutCount);
};
struct StatusOutputNone
{
};
namespace CS
{
template < typename BoxTest, typename StatusOutput > class BoxClipper
{
BoxTest boxTest;
StatusOutput statOut;
const csBox2 & region;
csVector2 *InP;
size_t InV;
csVector2 *OutP;
size_t OutV;
public: BoxClipper (const BoxTest & boxTest, const StatusOutput & statOut,
const csBox2 & region, csVector2 * InP, size_t InV,
csVector2 * OutP):boxTest (boxTest), statOut (statOut),
region (region), InP (InP), InV (InV), OutP (OutP), OutV (-1)
{
}
uint8 Clip ()
{
// OutV is initialized to SIZE_MAX in the ctor above causing
// the multiplication below to produce a very large number
// in excess of the maximum possible object size (SIZE_MAX/2).
__builtin_memcpy (this->OutP, InP, OutV * sizeof (csVector2)); // { dg-warning "exceeds maximum object size" }
return 0;
}
};
}
struct BoxTestAll
{
};
uint8
csBoxClipper::Clip (csVector2 * InPolygon, size_t InCount,
csVector2 * OutPolygon, size_t & OutCount)
{
BoxTestAll b;
StatusOutputNone n;
CS::BoxClipper < BoxTestAll, StatusOutputNone > boxClip (b, n, region,
InPolygon, InCount,
OutPolygon);
uint8 Clipped = boxClip.Clip ();
return 0;
}
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