http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56956
Chung-Ju Wu <jasonwucj at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jasonwucj at gmail dot com --- Comment #1 from Chung-Ju Wu <jasonwucj at gmail dot com> 2013-04-15 00:58:14 UTC --- I think 'x' can not present negative value.