[boost] Re: Latest CVS: Boost.Python -> Illegal instruction

From: David Abrahams (dave_at_[hidden])
Date: 2005-02-03 13:56:03

"John Maddock" <john_at_[hidden]> writes:

>>> I attach the valgrind output for one of the Boost.Python tests.
>>> Does this ring any bells?
>>
>> I started to do a test run with GCC 3.3.5, and noticed this warning in
>> the output (should be an error, IMO...):
>> /home/jonathan/src/boost-CVS-HEAD/boost/boost/preprocessor/iteration/detail/local.hpp:37:
>> instantiated from here
>> /home/jonathan/src/boost-CVS-HEAD/boost/boost/python/object_core.hpp:285:
>> warning: cannot
>>   pass objects of non-POD type `struct boost::integral_constant<bool,
>> true>'
>>   through `...'; call will abort at runtime
>
> Initially, I thought this might be related to the recent type traits 
> changes, but if it is, I can't see how (integral_constant<bool,v> inherits 
> from mpl::true_ / mpl::false_ so the usual conversions should apply and do 
> the right thing here.

I can't imagine how conversions would come into play.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com