------- Comment #3 from paolo dot carlini at oracle dot com 2010-05-31 18:19 ------- -Wall tells you indeed that you have a multi-line comment, just \ triggers it, the space doesn't make any difference. And if you have a multi-line comment, what else you can expect for the output of the pre-processor?
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44355