hg: jdk9/hs-comp/hotspot: 8050972: Concurrency problem in PcDesc cache

[vladimir.kozlov at oracle.com]

Changeset: 82cd02bbfc3a
Author:    mdoerr
Date:      2014-07-17 10:21 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/82cd02bbfc3a

8050972: Concurrency problem in PcDesc cache
Summary: The entries of the PcDesc cache in nmethods are not declared as volatile, but they are accessed and modified by several threads concurrently.
Reviewed-by: kvn, dholmes, dcubed

! src/share/vm/code/nmethod.hpp