[Bug c++/47417] [4.6 Regression][C++0x] error: use of deleted function 'S::S(const S&)'

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47417

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|rejects-valid               |
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-01-25 
12:51:09 UTC ---
Boost trunk seems to have the same problem still, so this is a bug in Boost:
unordered_map has no copy constructor when BOOST_HAS_RVALUE_REFS is defined

you could workaround it with a user-provided copy constructor:

S(const S& s) : m_(s.m_, s.m_.get_allocator()) { }