http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53969
--- Comment #4 from zhangbin <vincent_zhangbin at hotmail dot com> 2012-07-16 09:56:15 UTC --- Created attachment 27802 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27802 the C file Please see the attach CImage.cpp.