Subversion Repositories openrisc

/* Verify that ipa-cp will not get confused by placement new constructing an

   object within another one when looking for dynamic type change .  */

/* { dg-do run } */

/* { dg-options "-O3 -Wno-attributes"  } */

extern "C" void abort (void);

namespace std {

  typedef __SIZE_TYPE__ size_t;

}

inline void* __attribute__ ((always_inline))

operator new(std::size_t, void* __p) throw()

{

  return __p;

}

class A

{

public:

  char data[256];

  A();

  virtual int foo (int i);

};

class B : public A

{

public:

  virtual int foo (int i);

};

class C

{

public:

  C();

  virtual double foo (double i);

};

int A::foo (int i)

{

  return i + 1;

}

int B::foo (int i)

{

  return i + 2;

}

double C::foo (double i)

{

  return i + 3.5;

}

static int __attribute__ ((noinline)) middleman (class A *obj, int i)

{

  return obj->foo (i);

}

int __attribute__ ((noinline,noclone)) get_input(void)

{

  return 1;

}

__attribute__ ((always_inline)) C::C ()

{

}

A::A ()

{

}

static  __attribute__ ((noinline)) void bah ()

{

  class B b;

  C *c = new ((void *) &b.data) C;

  if (middleman (&b, get_input ()) != 3)

    abort ();

}

int main (int argc, char *argv[])

{

  int i;

  for (i = 0; i < 10; i++)

    bah ();

  return 0;

}