id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
7560	[preprocessor] empty tuples are reported to have length equal to 1	Bruno Dutra <brunocodutra@…>	No-Maintainer	"BOOST_PP_TUPLE_SIZE(()) expands to 1 under gcc with c++0x support enabled

gcc --version
gcc (GCC) 4.7.2
Copyright (C) 2012 Free Software Foundation, Inc."	Bugs	closed	To Be Determined	preprocessor	Boost 1.50.0	Problem	fixed	tuple empty 0 length size