[Bug libstdc++/51183] pair piecewise_construct_t constructor copies

[marc.glisse at normalesup dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51183

--- Comment #4 from Marc Glisse <marc.glisse at normalesup dot org> 2011-11-17 11:44:55 UTC ---
(In reply to comment #1)
> This was necessary because (I believe) it is impossible to implement the
> piecewise_construct_t constructor without compiler support for forwarding
> constructors.

Ah, right, makes sense, thank you.