cc/gcc: add patch for 4.7.2

[Richard Braun]

On Wed, Nov 21, 2012 at 02:13:57PM +0100, Florian Fainelli wrote:
> Do you have a link to the PR on GCC's bugzilla if any? It is always useful so
> one can know whether this patch should be forward ported to a new version.

Right, sorry. Here is the link: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52695

Upstream hasn't yet fixed it, but comments in the report in addition to
my experience here indicate the patch is very likely OK.

-- 
Richard Braun

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