http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59444
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- That's not what the option ensures. If you want the buffers to be aligned say so via a aligned(4) attribute.