http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50875
xunxun <xunxun1982 at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |xunxun1982 at gmail dot com --- Comment #1 from xunxun <xunxun1982 at gmail dot com> 2011-10-26 15:54:05 UTC --- Your gcc -v information? And your cpu model? (I think it's related with cpu instruction set) I use i686-w64-mingw32 gfortran 4.6.2 to run the test well on Win7 intel core2.