[Bug c++/57155] casting to const reference error

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57155



--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> 2013-05-03 
10:51:10 UTC ---

Keep reading 5.4, you didn't get to the bit about type conversions.