[PATCH][jdk8u] hotspot: Fix build warning with gcc 7.x

[Siddhesh Poyarekar]

On 02/01/19 4:27 AM, Andrew Hughes wrote:
> I believe this is:
> 
> https://bugs.openjdk.java.net/browse/JDK-8184309
> 
> which would need to be backported to 8u.

I looked through the change above and it looks like the only bit of the 
patch that needs backporting is the one that I posted since vm/logging 
is not present in jdk8u.  Should I re-post with the correct bz number?

Thanks,
Siddhesh