RFR: Backport bugfixes to jdk14

[Roman Kennke]

Hi Aleksey,

>> I'd like to backport a number of (P3) bugfixes from jdk15 to jdk14:
>>
>> Changesets:
>> http://cr.openjdk.java.net/~rkennke/backport-jdk14-2020-01-08/changesets.txt
>>
>> Full webrev:
>> http://cr.openjdk.java.net/~rkennke/backport-jdk14-2020-01-08/webrev.00/
> 
> This looks fine. The process caveat is that issues should be at least P3 after RDP1, which condition
> JDK-8234974 fails.

Would it be justified to raise it to P3?

Roman