[8u] RFA for JDK-8168914: Crash in ClassLoaderData/JNIHandleBlock::oops_do during concurrent marking

[Shafi Ahmad]

Hi,

May I get the approval of backport of JDK-8168914: Crash in ClassLoaderData/JNIHandleBlock::oops_do during concurrent marking' to jdk8u.

Jdk9 bug: https://bugs.openjdk.java.net/browse/JDK-8168914
Jdk9 review thread: http://mail.openjdk.java.net/pipermail/hotspot-dev/2017-February/025880.html
Jdk8 review thread: http://mail.openjdk.java.net/pipermail/hotspot-dev/2017-April/026696.html
Wbrev link: http://cr.openjdk.java.net/~shshahma/8168914/webrev.01/

Regards,
Shafi