[8u40] RFR(S): 8029443: 'assert(klass->is_loader_alive(_is_alive)) failed: must be alive' during VM_CollectForMetadataAllocation

[Tobias Hartmann]

Hi,

please review this 8u40 backport request. The changes were pushed on 
Wednesday and nightly testing showed no problems.

Changes for JDK9 applied to 8u40 without conflicts.

Master bug: https://bugs.openjdk.java.net/browse/JDK-8029443
Webrev: http://cr.openjdk.java.net/~thartmann/8029443/webrev.03/
Changeset: http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/e6a16cb925ca

Thanks,
Tobias