hg: jdk/submit: 8221643: Tighten up assert(_keep_alive >= 0) in CLD::inc_keep_alive

[zgu at redhat.com]

Changeset: 6a1406c718ec
Author:    zgu
Date:      2019-03-29 14:17 -0400
URL:       http://hg.openjdk.java.net/jdk/submit/rev/6a1406c718ec

8221643: Tighten up assert(_keep_alive >= 0) in CLD::inc_keep_alive
Reviewed-by: coleenp

! src/hotspot/share/classfile/classLoaderData.cpp