vbase1.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 35 行

// { dg-do run  }
// Check that template classes handle inherited virtual bases
// properly, initializing them before direct non-virtual bases.

extern "C" void exit (int);

int aflag;

struct A
{
  A() { aflag = 1; }
};

struct B : virtual public A 
{
  B() { }
};

struct C
{
  C() { if (!aflag) exit (1); }
};

template<class Parent>
struct D : public C, public Parent
{
  D() { }
};

int
main ()
{
  D<B> c;
}