Re: [Boost-users] [test] Malloc exceptions when using test framework on 64bit OS X 10.6.1

Subject: Re: [Boost-users] [test] Malloc exceptions when using test framework on 64bit OS X 10.6.1
From: Peter Klotz (peter.klotz_at_[hidden])
Date: 2009-11-21 14:13:43

Gennadiy Rozental wrote:
> Gennadiy Rozental wrote:
>> Rush Manbert <rush <at> manbert.com> writes:
>>
>>> Now I have gone back and read the original thread about valgrind  
>>> complaints. I see that Gennadiy is rather adamant about not changing  
>>> the code. 
>>
>> I am not adamant. I just want to understand what is wrong and need 
>> some time to look deeper. I plan to look into this Friday/Saturday.
>>
>> Genandiy
>>
>> P.S. Does anyone have vmware image for the system where I can easily 
>> reproduce this?
> 
> Ok. I was able to get hold of freebsd 64 bit image and reproduce this.
> 
> Further investigation uncovered that the issue with statement:
> 
> delete (test_case*)tu.second;
> 
> is not the non-virtual destructor of class test_unit, but the fact that 
> compiler decides to evaluate the expression tu.second twice: once before 
> calling the destructor and once before calling free. By the type the 
> destructor is called tu is invalid.
> 
> Not sure what is so specific about 64 bit, but i believe the issues 
> should be resolved (by caching the value before delete statement).

Hello Gennadiy

It seems that your fix did not make it into 1.41.0.

Which release of Boost will contain the fix?

Regards, Peter.