[jdk13u-dev] RFR: 8230402: Allocation of compile task fails with assert: "Leaking compilation tasks?"

[Yuri Nesterenko]

I'd like to downport it, too, as it is in both 15 and 11

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Commit messages:
 - Backport bbcb3b638b0488d4705cae73add15455ca3de977

Changes: https://git.openjdk.java.net/jdk13u-dev/pull/41/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk13u-dev&pr=41&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8230402
  Stats: 93 lines in 3 files changed: 81 ins; 9 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk13u-dev/pull/41.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk13u-dev pull/41/head:pull/41

PR: https://git.openjdk.java.net/jdk13u-dev/pull/41