[Bug c++/59681] SVN 197248 adding N3582 support broke Boost.Regex with -std=c++1y

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59681

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Is (a) an lvalue still?  I don't remember the C++ rules to tell you the truth.