RFR: 8302977: ZGC: Doesn't support gc/TestVerifySubSet.java [v2]

[Stefan Karlsson]

> 8302741 removed ZGC's usage of Universe::verify. This breaks gc/TestVerifySubSet.java, which looks for this output.
> 
> I propose this trivial patch to simply exclude ZGC from running this test.

Stefan Karlsson has updated the pull request incrementally with one additional commit since the last revision:

  Tweak comment

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Changes:
  - all: https://git.openjdk.org/jdk/pull/12686/files
  - new: https://git.openjdk.org/jdk/pull/12686/files/19efbc6e..28eb8973

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12686&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12686&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/12686.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12686/head:pull/12686

PR: https://git.openjdk.org/jdk/pull/12686