[jdk11u-dev] RFR: Merge jdk11u:master

[Goetz Lindenmaier]

Merge build tag 11.0.21+7 from jdk11u to jdk11u-dev

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Commit messages:
 - Merge
 - 8315529: [11u] Exclude some failing Z-GC tests
 - 8299658: C1 compilation crashes in LinearScan::resolve_exception_edge

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.org/jdk11u-dev/pull/2130/files
  Stats: 10 lines in 2 files changed: 10 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2130.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2130/head:pull/2130

PR: https://git.openjdk.org/jdk11u-dev/pull/2130