RFR(XS) : 8144695 : --disable-warnings-as-errors does not work for HotSpot build

[Kim Barrett]

> On Feb 7, 2016, at 4:22 PM, Igor Ignatyev <igor.ignatyev at oracle.com> wrote:
> 
> Hi Kim,
> 
> could you please take a look at the updated webrev: http://cr.openjdk.java.net/~iignatyev/8144695/webrev.03
> 
> I agree that “+w” isn’t related to WARNINGS_ARE_ERRORS, so it was moved to CFLAGS_WARN.
> 
> Regarding compiler version based conditions, I think it’d be better for build team to decide how to deal w/ them.
> 
> PS I’ve checked that w/ the patch applied warnings, which normally cause a build error, don’t cause any build errors w/ --disable-warnings-as-errors.

Looks good.