Gcc: Upstream Patch

The accepted upstream patch is mildly different to the one we currently ship for Yosemite, most notably because the upstream patch doesn’t touch libsanitizer.
I'll do my best to find the upstream commit so we can use that instead.

Sent from my iPhone

> On 30 Sep 2014, at 23:46, Mike McQuaid <notifications@github.com> wrote:
> 
> In Library/Formula/gcc.rb:
> 
> > @@ -68,10 +68,10 @@ def version_suffix
> >      version.to_s.slice(/\d\.\d/)
> >    end
> >  
> > -  # Fix 10.10 issues: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61407
> > -  patch do
> > -    url "https://gcc.gnu.org/bugzilla/attachment.cgi?id=33180"
> > -    sha1 "def0cb036a255175db86f106e2bb9dd66d19b702"
> > +  # Fix 10.10 issues: https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=215251
> > +  patch :p1 do
> > +    url "https://raw.githubusercontent.com/DomT4/scripts/master/Homebrew_Resources/Gcc/gccpatch.diff"
> Ideally the upstream commit like e.g. https://github.com/gcc-mirror/gcc/commit/d48d97.patch
> 
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