[linaro/gcc-4_8-branch] Backports from trunk

[Christophe Lyon]

Hi,

I have just committed backports of the following revisions from trunk
to linaro/gcc-4_8-branch:

r199810 as r200607
r200019 as r200608
r200062 as r200613
r200096 as r200614

Thanks,

Christophe.