RFR(XS): 8161262: Fix jdk build with gcc 4.1.2: -fno-strict-overflow not known.

[Andrew Haley]

On 13/07/16 09:53, Lindenmaier, Goetz wrote:
> we are building the jdk7u ppc port on gcc 4.1.2.  This fails since
> "8147466: Add -fno-strict-overflow to IndicRearrangementProcessor{,2}.cpp"
> as the gcc flag introduced there is not known to gcc 4.1.2.
> I just guard it by the compiler version.
> 
> Please review this change.
> http://cr.openjdk.java.net/~goetz/wr16/8161262-jdkGcc412/webrev.01/

This is OK, but do we really need to do it this way?  If you're going
to launch a shell and test the result, you might as well launch GCC
with -fno-strict-overflow and test the result of that instead.

Andrew.