[jdk11u-dev] RFR: 8237777: "Dumping core ..." is shown despite claiming that "# No core dump will be written."

[Andrew Lu]

I backport this for parity with 11.0.23-oracle.

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Commit messages:
 - Backport 1f31afd855b60fea52257e3ce7d274afe7005b26

Changes: https://git.openjdk.org/jdk11u-dev/pull/2339/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2339&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8237777
  Stats: 32 lines in 4 files changed: 0 ins; 32 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2339.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2339/head:pull/2339

PR: https://git.openjdk.org/jdk11u-dev/pull/2339