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/* Verify that we either do not do any devirtualization or correctly
spot that foo changes the dynamic type of the passed object. */
/* { dg-do run } */
/* { dg-options "-O3 -fdevirtualize" } */
extern "C" void abort (void);
extern "C" void *malloc(__SIZE_TYPE__);
inline void* operator new(__SIZE_TYPE__, void* __p) throw() { return __p;}
int x;
class A {
public:
virtual ~A() { }
};
class B : public A {
public:
virtual ~B() { if (x == 1) abort (); x = 1; }
};
void __attribute__((noinline,noclone)) foo (void *p)
{
B *b = reinterpret_cast<B *>(p);
b->~B();
new (p) A;
}
int main()
{
void *p = __builtin_malloc (sizeof (B));
new (p) B;
foo(p);
reinterpret_cast<A *>(p)->~A();
return 0;
}
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