RFR: 8269087: CheckSegmentedCodeCache test fails in an emulated-client VM [v2]

[Christoph Göttschkes]

> 8269087: CheckSegmentedCodeCache test fails in an emulated-client VM

Christoph Göttschkes has updated the pull request incrementally with one additional commit since the last revision:

  Use the Platform class from testlib to check if tiered is supported or not.

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4540/files
  - new: https://git.openjdk.java.net/jdk/pull/4540/files/f63ba676..bafae63f

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4540&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4540&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4540.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4540/head:pull/4540

PR: https://git.openjdk.java.net/jdk/pull/4540