Bug#204580: g++: unexpected output using variadic functions in classes

[Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>]

"Frank B. Brokken" <f.b.brokken@rc.rug.nl> writes:

> class Foo
> {
>     va_list list;
> 
>     public:
>         Foo(int n, ...)
>         {   
>             va_start(list, n);
>         }
>         void bar() const
>         {
>             va_list l(list);
>             cout << "Saw " << va_arg(l, int) << endl;
>         }
> };

The behavour of this code is undefined, since ther is no va_end
matching the va_start.  Please try to provide an example without
undefined behaviour.  You probably need va_copy.

-- 
	Falk