cc/gc: add update 4.4.7

Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>
[yann.morin.1998@free.fr: propagate patchset from 4.4.6]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

reporter_name="Gustavo Zacarias <gustavo@zacarias.com.ar>"

reporter_url="http://sourceware.org/ml/crossgcc/2011-03/msg00028.html"

reporter_comment=""