RFR: 8246497: mark hotspot compiler tests which ignore external VM flags

[Igor Ignatyev]

Hi all,

could you please review this small and trivial patch that adds `@requires vm.flagless` to `compiler/codecache ` tests that ignore VM flags?

Thanks,
-- Igor

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Commit messages:
 - copyright year
 - 8246497

Changes: https://git.openjdk.java.net/jdk/pull/3769/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3769&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8246497
  Stats: 10 lines in 3 files changed: 0 ins; 3 del; 7 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3769.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3769/head:pull/3769

PR: https://git.openjdk.java.net/jdk/pull/3769