[jdk11u-dev] RFR: Merge jdk11u:master

[Goetz Lindenmaier]

Merge build tag 11.0.19+6 from jdk11u to jdk11u-dev

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Commit messages:
 - Merge
 - 8304389: [11u] Crash on Windows in C2 compiled code after 8248238 and 8218431

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

Changes: https://git.openjdk.org/jdk11u-dev/pull/1816/files
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1816.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/1816/head:pull/1816

PR: https://git.openjdk.org/jdk11u-dev/pull/1816