Re: [Boost-users] Boost 1.35 weak_ptr::lock

From: Peter Dimov (pdimov_at_[hidden])
Date: 2008-05-22 18:04:18

Clarke, Aaron:
> Hello,
>
> I'm trying to update my codes Boost from 1.34.1 to 1.35 and I'm getting a 
> test case failure dealing with weak_ptr.  I have an std::vector of 
> weak_ptr's and I've verified that the weak_ptr that get put in are valid. 
> Then later I look through the whole vector and lock the weak_ptr's to call 
> a virtual method on them.  The weak_ptr says it's (!expired) and the 
> (shared_ptr == true).  But the vtable is all messed up and the 
> shared_ptr's px is not a pointer to something I made the weak_ptr from.
>
> Soo... is there any idea about why the weak_ptr from 1.35 would do this 
> when the weak_ptr from 1.34.1 works fine?  The headers look remarkably the 
> same so I have no idea.

Odd. Which compiler, platform? Does this happen in a small test case that 
you can post?