id summary reporter owner description type status milestone component version severity resolution keywords cc 12788 optional 1.63 no longer can be initialized from '' piotrwn1@… akrzemi1 "The code below compiles fine with boost.1.62 - but it can't compile with boost1.63: {{{ struct S { int a; int b; }; boost::optional so; so = {1,2}; }}} With error: error: no match for 'operator=' (operand types are 'boost::optional' and '') " Bugs reopened To Be Determined optional Boost 1.63.0 Problem akrzemi1