RFR[8u backport] 8213992: Rename and make DieOnSafepointTimeout the diagnostic option

[Aleksey Shipilev]

Needs to be backported to jdk11 too?

-Aleksey

On 11/23/18 1:45 PM, Zhengyu Gu wrote:
> Hi,
> 
> I would like to backport this RFE, it helps to debug long safepoint sync time.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8213992
> Original review: http://mail.openjdk.java.net/pipermail/hotspot-dev/2018-November/035255.html
> 
> Backport has only minor conflicts.
> Backport Webrev: http://cr.openjdk.java.net/~zgu/8213992-8u/webrev.00/
> 
> 
> Thanks,
> 
> -Zhengyu