Re: [boost] [rational][operators]VC6/7supported?(Tryingtoclearregressions)

From: Joaquín Mª López Muñoz (joaquin_at_[hidden])
Date: 2006-10-19 10:16:03

Simon Atanasyan ha escrito:

> 2006/10/19, Joaquín Mª López Muñoz <joaquin_at_[hidden]>:
> > Simon Atanasyan ha escrito:
> >
> > > 2006/10/19, Joaquín Mª López Muñoz <joaquin_at_[hidden]>:
> > > > The error message can be consulted at
> > > >
> > > > http://tinyurl.com/yyudmt
> > > >
> > > > You might want to wait for the next cycle a few hours, since the current result
> > > > is older than the fixes commited yeterday and it's possible that things have
> > > > changed as a result.
> > >
> > > Good thing - the development version of Sun C++ does not contain this
> > > bug. Bad thing - Sun Studio 11 with the latest patch still contains
> > > this bug. I try to estimate can we fix this bug in the Sun Studio 11.
> > >
> >
> > Hello Simon,
> >
> > Could you please provide me with a description of the bug i.e. why
> > Sun Studio 11 can't cope with the code at rational_test.cpp? I can
> > use your description to mark this as expected failure (for the moment
> > being, given that we're trying to get the release out asap) and add
> > an explanatory note.
>
> The overload resolution error occurs if:
> 1. some class has user-defined conversion to the reference to a plain type, and
> 2. there is oveloading between a user-def operator and built-in one, and
> 3. The built-in operator takes the result of the conversion mentioned
> in 1 as an operand.
>
> I've just met with sustaining team. This fix has been backported to
> Studio 11 and will be included in the next patch (number 6).

Thanks for the explanation! I just included your explanation in a
associated expected failure entry, will remove it once the next patch arrives.

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo