2409 libc needs more gcc 4 support on 32-bit SPARC Reviewed by: Jason King <jason.brian.king@gmail.com> Reviewed by: Richard Elling <richard.elling@richardelling.com> Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com> Reviewed by: Dan McDonald <danmcd@nexenta.com> Reviewed by: Garrett D'Amore <garrett@damore.org> Approved by: Albert Lee <trisk@nexenta.com>