virtual11.c

来自「linux下编程用 编译软件」· C语言 代码 · 共 32 行

// { dg-do assemble  }

// Copyright (C) 2000 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 14 Nov 2000 <[e-mail]>

// We failed to check virtual functions hidden by using declarations.

struct A
{
  virtual int foo ();
};

struct B
{
  virtual void foo ();  // { dg-error "" } of this function
};

struct C : A , B
{
};

struct D : C
{
  void foo (short);
  using A::foo;
};

struct E : D
{
  virtual int foo ();   // { dg-error "" } invalid override
};