hg: jdk/submit14: 8237396: JvmtiTagMap::weak_oops_do() should not trigger barriers

[zgu at redhat.com]

Changeset: 99774bd215e6
Author:    zgu
Date:      2020-01-16 20:30 -0500
URL:       https://hg.openjdk.java.net/jdk/submit14/rev/99774bd215e6

8237396: JvmtiTagMap::weak_oops_do() should not trigger barriers

! src/hotspot/share/prims/jvmtiTagMap.cpp