git: openjdk/jdk11u-dev: 8274338: com/sun/jdi/RedefineCrossEvent.java failed "assert(m != __null) failed: NULL mirror"

[Zhengyu Gu]

Changeset: 3a351580
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2021-11-06 22:24:47 +0000
URL:       https://git.openjdk.java.net/jdk11u-dev/commit/3a3515807cd76b571aa9cf5f19203bca7be7f970

8274338: com/sun/jdi/RedefineCrossEvent.java failed "assert(m != __null) failed: NULL mirror"

Reviewed-by: phh
Backport-of: 172aed1a2d75756b140cb723133ac5fb67f7745e

! src/hotspot/share/classfile/classLoaderData.cpp
! src/hotspot/share/memory/metaspaceShared.cpp
! src/hotspot/share/oops/instanceKlass.cpp