RFR: 8248650: [BACKOUT] Backout JDK-8244603 because it generates too much noise in CI

[Kim Barrett]

> On Jul 1, 2020, at 3:28 PM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> 
> Hi all,
> 
>  can I have quick reviews for this backout of JDK-8244603?
> 
> Since the checking of these changes that make young gen sizing quite different than before, there are a lot of crashes in tier7/tier8 testing. Dan Daugherty traced this back to the push of JDK-8244603.
> 
> At this time I do not think the change is directly the cause for this issue but rather exposing a latent bug; however to reduce the noise I would like to backout the change, and later reapply after fixing this issue.
> 
> The backout applied without issues if the build fix that had to be applied to it (JDK-8248329) is considered, i.e. this change is actually backing out 8248329 and 8244603.
> 
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8248650
> Webrev:
> http://cr.openjdk.java.net/~tschatzl/8248650/webrev/
> Original change:
> https://hg.openjdk.java.net/jdk/jdk/rev/38ecd000c722
> Testing:
> tier1
> 
> Thanks,
>  Thomas

Looks good.