RFR: 8315721: CloseRace.java#id0 fails transiently on libgraal

Tue Sep 26 17:14:56 UTC 2023

The timing of the test can be disturbed by -Xcomp so do not run with -Xcomp.
The problem appears with the Graal compiler but may also occur on other platforms.

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Commit messages:
 - 8315721: CloseRace.java#id0 fails transiently on libgraal

Changes: https://git.openjdk.org/jdk/pull/15930/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15930&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8315721
  Stats: 5 lines in 1 file changed: 4 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/15930.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15930/head:pull/15930

PR: https://git.openjdk.org/jdk/pull/15930