id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
1419,optional_base::operator=() optimization,anonymous,Fernando Cacciola,"Hi,

{{{
A a1;
boost::optional<A> opt1(a1);
boost::optional<A> opt2;
opt2 = opt1;
}}}

the operator=() will call to assign(optional<U> const& rsh), not assign(optional_base const& rsh). 
",Patches,closed,Boost 1.35.0,optional,Boost 1.34.1,Optimization,fixed,,fernando_cacciola@…