A long-standing bug in gcc turns out to cause problems with unpatched
Linux versions due to improved optimization enabled by gcc 4.9. The
upstream fix missed the gcc-4.9.1 cut-off. It's also been applied
upstream to the 4.8 branch so is being added for OE's 4.8 as well.
Signed-off-by: Peter A. Bigot <pab@pabigot.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>