OpenJDK / jdk / jdk
changeset 49937:7fed08d588b5
8202373: Forcing eager initialization of CHM$ReservationNode avoids deoptimization
Reviewed-by: martin, psandoz, dholmes, redestad
| author | dl |
|---|---|
| date | Tue, 01 May 2018 06:18:48 -0700 |
| parents | 4da7dce7e2bf |
| children | 2c2a722a2c0c |
| files | src/java.base/share/classes/java/util/concurrent/ConcurrentHashMap.java |
| diffstat | 1 files changed, 3 insertions(+), 0 deletions(-) [+] |
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--- a/src/java.base/share/classes/java/util/concurrent/ConcurrentHashMap.java Tue May 01 07:40:41 2018 -0400 +++ b/src/java.base/share/classes/java/util/concurrent/ConcurrentHashMap.java Tue May 01 06:18:48 2018 -0700 @@ -6389,5 +6389,8 @@ // Reduce the risk of rare disastrous classloading in first call to // LockSupport.park: https://bugs.openjdk.java.net/browse/JDK-8074773 Class<?> ensureLoaded = LockSupport.class; + + // Eager class load observed to help JIT during startup + ensureLoaded = ReservationNode.class; } }