RFR(S): 8223537:testlibrary_tests/ctw/ClassesListTest.java fails with Agent timeout frequently

Liu, Xin xxinliu at amazon.com
Thu May 9 15:47:52 UTC 2019

BUG: https://bugs.openjdk.java.net/browse/JDK-8223537
Webrev: https://cr.openjdk.java.net/~xliu/8223537/webrev.01/

Could you please review the patch to fix regression of JDK-8222670<https://bugs.openjdk.java.net/browse/JDK-8222670> for -Xcomp?
The root cause is deadlock in blocking mode(-Xcomp).   Compiler thread has to notify java threads that the task is completed if recompilation happens in JDK-822670.
Purging stale tasks after select_task can do that.

Could the sponsor submit this webrev to  submit repo to verify it?


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