Implement falling back to symbol if there are QAST::Var nodes with no scope declared.
Implement falling back to symbol if there are QAST::Var nodes with no scope declared.

cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp,cygx/nqp