Re: [boost] bug in type_traits/is_virtual_base_of ??

Subject: Re: [boost] bug in type_traits/is_virtual_base_of ??
From: Daniel Larimer (dlarimer_at_[hidden])
Date: 2010-02-11 12:18:05

cast the bool to an int, still does not work.    It works for most cases, for example this works:

struct C : public A, public B
{
        virtual test(); //
}

struct C : public A, public B
{
        virtual test();
        float    parameter; // DOESN"T WORK ANY MORE
};

On Feb 11, 2010, at 4:43 AM, John Maddock wrote:

>> Using boost 1_41 I found what I believe to be a bug in is_virtual_base_of. The following code reports that A and B are both virtual base classes of
> 
> Works for me on Win32 with both VC9 and G++4.0, tested 1.41 and current Trunk.
> 
> The only thing I notice is that you're passing a bool to printf, but telling it to expect an int - could it be reading garbage off the stack?
> 
> Otherwise stumped yours, John. 
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