Re: [boost] VC10 config - some regressions in several libraries

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.