https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65353
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Matthias Klose from comment #1) > patch by Michael Hudson posted at https://launchpad.net/bugs/1361946 > > --- a/libgo/go/cmd/cgo/main.go > +++ b/libgo/go/cmd/cgo/main.go > @@ -133,6 +133,7 @@ > "386": 4, > "amd64": 8, > "arm": 4, > + "arm64": 8, > "ppc64": 8, > "ppc64le": 8, > "s390x": 8, > @@ -142,6 +143,7 @@ > "386": 4, > "amd64": 8, > "arm": 4, > + "arm64": 8, > "ppc64": 8, > "ppc64le": 8, > "s390x": 8, Except hat is broken for ilp32.