RFR(XS): 8144930: gcc 4.1.2: fix build flags after "8114853 variable tracking size limit exceeded"

[Kim Barrett]

On Dec 10, 2015, at 3:05 AM, Lindenmaier, Goetz <goetz.lindenmaier at sap.com> wrote:
> 
> You are right. I had gcc 4.8 in the path on the machine where I ususally 
> build with 4.3.  
> 
> I'd like to test for >= 4.8 instead, as I have no 4.5 available to test.
> Is that ok with you?

Since it’s just a (mildly annoying) note that is being turned off, that’s fine.
Maybe comment that the option was introduced in gcc4.5 but not tested in our builds with that version.