RFR: Merge jdk

[Mikael Vidstedt]

Merge in jdk-15+27

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Commit messages:
 - Merge jdk
 - 8246382: assert in MetaspaceShared::map_archives
 - 8242923: Trigger interface MethodHandle resolve in test without Nashorn
 - 8244282: test/hotspot/jtreg/compiler/intrinsics/Test8237524.java fails with --illegal-access=deny
 - 8246792: Mac signing tests failed (unsealed contents present in the bundle root)
 - 8230744: Several classes throw OutOfMemoryError without message
 - 8247252: TestCombinedCompressedFlags.java failed src/hotspot/share/services/virtualMemoryTracker.cpp:388 Error: ShouldNotReachHere()
 - 8239024: Kitchensink24HStress.java failed due to timeout
 - 8245113: JFR Recorder Thread to run in thread state "_thread_in_native"
 - 8243451: nsk.share.jdi.Debugee.isJFR_active() is incorrect and corresponsing logic seems to be broken
 - ... and 465 more: https://git.openjdk.java.net/portola/compare/f394b714...f303dd06

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - master: https://webrevs.openjdk.java.net/portola/5/webrev.00.0
 - jdk: https://webrevs.openjdk.java.net/portola/5/webrev.00.1

Changes: https://git.openjdk.java.net/portola/pull/5/files
  Stats: 398585 lines in 5127 files changed: 138733 ins; 239969 del; 19883 mod
  Patch: https://git.openjdk.java.net/portola/pull/5.diff
  Fetch: git fetch https://git.openjdk.java.net/portola pull/5/head:pull/5

PR: https://git.openjdk.java.net/portola/pull/5