hg: jdk-updates/jdk11u-dev: 8215555: TieredCompilation C2 threads can excessively block handshakes

[matthias.baesken at sap.com]

Changeset: 07901eb8c24f
Author:    redestad
Date:      2018-12-20 19:44 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/07901eb8c24f

8215555: TieredCompilation C2 threads can excessively block handshakes
Reviewed-by: kvn, neliasso, rehn

! src/hotspot/share/runtime/sweeper.cpp