http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54136
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-07-31 09:06:55 UTC --- > double cam_xyz[4][3]; > cam_xyz[0][j] Yes you are going past the array bounds of cam_xyz[0] .Rewrite the loop like: for (j0=0; j0 < 4; j0++) for (j=0; j < 3; j++) cam_xyz[j0][j] = table[i].trans[j0*3+j] / 10000.0; Instead of change cam_xyz to be array of size 12.