[boost] VC++ 7.1 __ctor error [was: iterator_adaptors and vc7.1]

From: Beman Dawes (bdawes_at_[hidden])
Date: 2003-04-29 12:12:21

At 06:10 AM 4/16/2003, Thomas Witt wrote:
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 >Thomas Witt wrote:
 >|
 >| Hi,
 >|
 >| When compiling code using iterator_adaptors with vc7.1 I often get
 >| errors like the following
 >|
 >| c\graphmanager_detail.cpp(76) : error C2061: syntax error : identifier
 >| '__ctor'
 >|
 >| H:\systems\boost_1_30_0\boost\iterator_adaptors.hpp(1409) : see
 >| reference to class template instantiation
 >|
 >'boost::filter_iterator_generator<Predicate,Iterator,Value,Reference,Pointer
 >,Category,Distance>'
 >
 >|
 >| being compiled
 >|
 >| This seems like a bug in vc7.1. Does this ring a bell for anyone?
 >
 >Further investigation seems to indicate that this is not directly
 >related to iterator_adaptors. Seems like vc7.1 generates messages
 >containing __ctor whenever it is clueless.

I've had a confirmation from Brandon Bray at Microsoft:

 >Just letting you know that we do have the bug you noticed with __ctor in
 >a C2039 error in our database. It hasn't been fixed yet, but it is
 >scheduled to be fixed within a few weeks from now. For reference, the
 >bug info is:
 >
 >ID:    VSWhidbey 38416
 >TITLE: BOOST: use of default argument in constructor of class derived
 >       from class of same name in a different namespace, causes errors

A bit of a pain, even though easy to workaround.

--Beman