git: openjdk/jdk21: 8309882: LinkedHashMap adds an errant serializable field

[Stuart Marks]

Changeset: f7cd0aec
Author:    Stuart Marks <smarks at openjdk.org>
Date:      2023-06-13 21:09:38 +0000
URL:       https://git.openjdk.org/jdk21/commit/f7cd0aec925d28d0e225017ede372ca7623033ca

8309882: LinkedHashMap adds an errant serializable field

Reviewed-by: rriggs
Backport-of: e138685648fb7a756a05f314af2883ce408abdd2

! src/java.base/share/classes/java/util/LinkedHashMap.java