[boost] Compilation problem with boost on SunCC (Forte 6.2 & 8)

From: Puverle, Tomas (IT) (Tomas.Puverle_at_[hidden])
Date: 2004-10-01 09:04:49

Please find attached a small program and a the resulting compilation
errors on SunCC.  
This occurs in iterator_facade.hpp, operator != (), calling to
interator_core_access::equal. I have tracked this down to the following
problem:

f(mpl::true_);
f(mpl::false_);

f(is_convertible<>()); //will not work

is_convertible<> derives from mpl::bool<>, however it seems that a bug
in the compiler prevents it from converting to mpl::true_/mpl::false_ in
the above scenario (and in the program attached)

A workaround for this is to change it to the following:

f(mpl::true_);
f(mpl::false_);

f(mpl::bool_<is_convertible<>::value>()); 

Presumably this will be present in other places but this is the only one
our developers have hit so far.

Thanks,

Tom 
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