RFR: 7903047: Make JUnit runner use the JUnit Platform Launcher [v9]

Mon Apr 25 14:49:48 UTC 2022

On Mon, 25 Apr 2022 14:40:20 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

>> Christian Stein has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove JUnit Trace test from set of initial tests
>
> make/Defs.gmk line 114:
> 
>> 112: JAR = $(JDKHOME)/bin/jar
>> 113: 
>> 114: AGENT_JAVAC_SOURCE_TARGET = --release 11
> 
> No. The use of 8 is deliberate, so that we can run use jtreg to test older versions of JDK.

OK. Reverting to `--release 8` and replacing all `var` usages with explicit type references.

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PR: https://git.openjdk.java.net/jtreg/pull/78