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Subject: Re: [boost] VC10 config - some regressions in several libraries
From: Peter Dimov (pdimov_at_[hidden])
Date: 2010-04-29 14:35:30


Jeffrey Hellrung:
...
> I'm confused. So static_cast< Arg&& >(r) creates a new temporary object
> (rather than just a (rvalue) reference to the r object) when used in
> direct construction, but does not behave this way otherwise (e.g., the
> line after "//Correct binding" above?
...
> Maybe I don't know rvalue references as well as I had thought... :/

I don't think that casting a T (rvalue or lvalue) to T&& was ever supposed
to create a temporary; it's always a direct reference binding. This is not a
rrv1 vs rrv2 issue; it looks like a plain compiler bug.
 


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