git: openjdk/jdk16u: 8260009: InstanceKlass::has_as_permitted_subclass() fails if subclass was redefined

[Harold Seigel]

Changeset: 810fb60c
Author:    Harold Seigel <hseigel at openjdk.org>
Date:      2021-01-25 19:37:48 +0000
URL:       https://git.openjdk.java.net/jdk16u/commit/810fb60c

8260009: InstanceKlass::has_as_permitted_subclass() fails if subclass was redefined

Backport-of: f928265e81326a576619719831dc96d95eb135a8

! src/hotspot/share/oops/instanceKlass.cpp
+ test/hotspot/jtreg/runtime/sealedClasses/RedefinePermittedSubclass.java