[thirdparty/gcc.git] / gcc / testsuite / g++.old-deja / g++.law / ctors9.C

// { dg-do assemble  }
// { dg-options "-pedantic-errors" }
// GROUPS passed constructors
// ctors file
// Message-Id: <9301132030.AA05210@cs.rice.edu>
// From: dougm@cs.rice.edu (Doug Moore)
// Subject: 2.3.3: accepts ctor-less derived class of ctor-ful base class
// Date: Wed, 13 Jan 93 14:30:21 CST
// Note: It gives an error now.  But not a very good one.

struct Foo
{
  Foo(int aa);
  int a;
  const Foo* operator-> () const {return this;}
};

Foo::Foo(int aa)
:a(aa)
{ }


struct var_Foo: public Foo // { dg-message "note" }  base.*// ERROR -  in class.*
{
  var_Foo* operator-> () {return this;}
};

int blort(Foo& f)
{
  return f->a;
}

int main()
{
  var_Foo b(2);// { dg-error "match" } 
  b->a = 0;
  int x = blort(b);
  return x;
}
Commit	Line	Data
6481daa9 MM	1	// { dg-do assemble }
6481daa9 MM	2	// { dg-options "-pedantic-errors" }
921e5a0e JL	3	// GROUPS passed constructors
	4	// ctors file
	5	// Message-Id: <9301132030.AA05210@cs.rice.edu>
	6	// From: dougm@cs.rice.edu (Doug Moore)
	7	// Subject: 2.3.3: accepts ctor-less derived class of ctor-ful base class
	8	// Date: Wed, 13 Jan 93 14:30:21 CST
	9	// Note: It gives an error now. But not a very good one.
	10
	11	struct Foo
	12	{
	13	Foo(int aa);
	14	int a;
	15	const Foo* operator-> () const {return this;}
	16	};
	17
	18	Foo::Foo(int aa)
	19	:a(aa)
	20	{ }
	21
	22
d4a2b486 JM	23	struct var_Foo: public Foo // { dg-message "note" } base.// ERROR - in class.
d4a2b486 JM	24	{
921e5a0e	25	var_Foo* operator-> () {return this;}
1f0d71c5	26	};
921e5a0e JL	27
	28	int blort(Foo& f)
	29	{
	30	return f->a;
876200a8	31	}
921e5a0e	32
44957663	33	int main()
921e5a0e	34	{
48ca24b2	35	var_Foo b(2);// { dg-error "match" }
921e5a0e JL	36	b->a = 0;
	37	int x = blort(b);
	38	return x;
	39	}