RFR(XS): 8145543: Removed @ignore for compiler/floatingpoint/ModNaN.java

[joe darcy]

Note that the HotSpot fix for the fmod issue was to use a 
HotSpot-internal software implementation of that function:

     JDK-8015396: double a%b returns NaN for some (a,b) (|a| < inf, |b|>0)
     https://bugs.openjdk.java.net/browse/JDK-8015396

-Joe

On 8/3/2016 2:12 PM, Max Ockner wrote:
> Hello,
> Please review this extra small change. There was supposedly a bug 
> which caused compiler/floatingpoint/ModNaN.java to fail, but this bug 
> is not reproducible. I have removed the @ignore for this test.
>
> bug: https://bugs.openjdk.java.net/browse/JDK-8145543
> webrev: http://cr.openjdk.java.net/~mockner/8145543/
>
> I ran this change through jprt several times and saw no failure. I 
> also had clean runs on several other machines, including a Standard 
> Oracle Linux linux-x64 JDK9 machine. This issue that caused this bug 
> originally (https://sourceware.org/bugzilla/show_bug.cgi?id=14048) has 
> been patched, and the patch has been backported to previous versions. 
> It is now very difficult to find a machine which is far enough out of 
> date to still have this issue.
>
> Thanks,
> Max
>